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Answers

Answer 1

Step-by-step explanation:

f(g(x)) means g(x) is embedded in f(x) as the argument or input value for f(x).

therefore,

f(g)x)) = 4(x² - 1) - 7 = 4x² - 4 - 7 = 4x² - 11

c. is the right answer

g(f(x)) is now the other way around. now f(x) is the only value for g(x) :

g(f(x)) = (4x - 7)² - 1 = 16x² - 56x + 49 - 1 = 16x² - 56x + 48

a. is the right answer


Related Questions

Write in decimal form then expanded form need help please!!

Answers

Answer: 49.017 inches

Step-by-step explanation:

[tex]\displaystyle\\49\frac{17}{1000} =\\\\49.017\ inches[/tex]

A diagonal of a rectanglar field is 16.9m. If the ratio of the length to the width is 12:5, find the (a) dimensions, (b) Perimeter of the field​

Answers

we get that the length of the rectangular field is 15.6 m, width is 56.5 m and the perimeter is 44.2 m.

The diagonal of a rectangular field = 16.9 m

d = 16.9 m

Ratio of length to the width is 12 : 5

Let length be 12 x

Width = 5 x

We get that:

16.9² = (12 x)² + (5 x)²

285.61 = 144 x² + 25 x²

169 x² = 285.61

x² = 285.61 / 169

x² = 1.69

x = √1.69

x = 1.3 m

Length = 12 (1.3 m) = 15.6 m

Width = 5 (1.3 m ) =6.5 m

Perimeter = 2 ( l + w)

P = 2( 15.6 + 6.5)

P = 2(22.1) m

P = 44.2 m

Therefore, we get that the length of the rectangular field is 15.6 m, width is 56.5 m and the perimeter is 44.2 m.

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rearrange the equation to make x the subject a=4x/t-p

Answers

If we rearrange the equation to make x the subject a=4x/t-p, then we will have [tex]x= \frac{a(t-p)}{4}[/tex]

How can the  equation be re arrange to  make x the subject a=4x/t-p?

from the question we were given the equation a=4x/t-p which is required to rearrange so that X can be made the subject of the formular, and this can be done below:

[tex]a=\frac{4x}{t-p}[/tex]

[tex]4x= a(t-p)[/tex]

[tex]x= \frac{a(t-p)}{4}[/tex]

Therefore If we rearrange the equation to make x the subject a=4x/t-p, then we will have , [tex]x= \frac{a(t-p)}{4}[/tex] because if we make the x the subject of the formular it will stay alone at the one side when all other term at the opposite side.

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NOTE; This is a complete question , no given option , even on internet.

thank you so much i almost failed

Answers

Answer:

haha what happened, ur welcome

ofc ofc

Use inverse operations to write one more correct number sentence for each of these:

a) 6x8 48

b) 29-15 = 14

Answers

The inverse operation for given sentences are 48 ÷ 8 = 6 and 14 + 15 = 29

What is inverse operation?

Inverse operations, such as addition and subtraction, multiplication and division, are pairs of mathematical operations where one operation reverses the effect of the other. The term "inverse" refers to the reciprocal of a number, i.e., x - 1 = 1 / x. One results from multiplying a number by its reciprocal, or inverse. The impact of one operation on another is reversed by using inverse operations.

The inverse operation for the the equations are -

a) 6x8 = 48

⇒ 48 ÷ 8 = 6

b) 29-15 = 14

⇒ 14 + 15 = 29

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a bag contains 6 red balls 8 balls and an unknown number of yellow balls the probability of randomly choosing a green ball from the bag is 25%

1:1 show that there are 32 balls in the bag​

Answers

The concept here used is probability.

Probability is the quantitative relation of range|the amount|the quantity} of outcomes in  thorough set of equally possible outcomes that manufacture a given event to the whole number of doable outcomes

Probability(Event) = Favorable Outcomes/Total Outcomes = x/n

we are given red balls=6

                     green balls=8

    Let yellow balls be x.

total balls=green+red+yellow =14+x

according to the question the probability of green balls is 25% i.e 1/4

probability of green balls=green balls/total balls

8/14+x = 1/4

On cross multiplying we get 32=14+x

x=18

The green balls are 18

total balls=green+red+yellow =32

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The side lengths of a triangle are 4 inches, 6 inches, and 9 inches. Is this triangle a right triangle? ​

Answers

Answer:

No

Step-by-step explanation:

A right triangle needs to have a right angle in this case this triangle does not. The next answer up is a triangle with 6,8, and 10 inches. This would give you a right triangle.

Also, To check if the sides are a right triangle, check if the sum of the squares of the two smaller sides equals the length of the square of the longest side.

I haven't used triangles in a long time..... so I kinda forget but the little I remember I used. Hope this helps!

Answer: No

Step-by-step explanation:  The given side lengths of the triangle are 4 inches, 6 inches, and 9 inches. To determine if the triangle is a right triangle, we can use the Pythagorean theorem.

The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the other two sides.

Let's check if the given side lengths satisfy the Pythagorean theorem:

Using the Pythagorean theorem, we can calculate the squares of the side lengths:

4^2 = 16

6^2 = 36

9^2 = 81

Now, let's compare the sum of the squares of the two shorter sides to the square of the longest side:

16 + 36 = 52

81 = 81

Since 52 is not equal to 81, the given triangle is not a right triangle.

HELP NOW PLS In 5-7 complete sentences, write a real-world situation that can be modeled by the equation. Make it fun by using your name, if you want!


16x=14x+8

Answers

Answer:

Step-by-step explanation:

Kate needs to read 2 books over summer vacation. She doesn't have the books yet so she's not sure how many pages are in each book. Kate doesn't want to wait until the last minute to read the books so she is planning to read the same number of pages each day of her summer vacation. If Kate's summer vacation is 72 days long, how can she write a variable expression to represent the number of pages she will need to read each day?

Work out the input that makes the output of A three times the output of B

Answers

The input that makes the output of A to be three times the output of B is; x = 9

How to Solve Algebraic Word Problems?

We are told that both Machines A and B have the same input. Thus;

Output of Machine A using Algebraic Properties is;

Output A = 5x - 4

Output of Machine B using Algebraic Properties is;

Output B = 3x + 8

We want to find the input that makes the output of A to be three times the output of B. Thus;

5x - 4 = 3(3x + 8)

5x - 4 = 9x + 24

9x - 5x = -4 - 24

4x = -28

x = -28/4

x = 9

Thus, we conclude that the input that makes the output of A to be three times the output of B is; x = 9

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How could you use estimation to determine if your answer is reasonable? Explain. (2 points)

Answers

You can use estimation to determine if your answer is reasonable by ensuring that the estimated answer does not have large outliers.

What is estimation?

Estimation is a rough calculation or judgment using available information based on their face values without going into detail.

Estimation, which is based on approximation, helps to determine if a reasonable solution has been found before the events occur when the actual calculations are carried out.

Estimation ensures that the obtained data or results do not vary greatly from the central values. Estimation helps calculations without adequate data and when computations involve large numbers.

Thus, you can use estimation to determine if your answer is reasonable by ensuring that the estimated answer does not have large outliers.

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What is this?? 4x - 3 = 12 + 2x

Answers

Answer:

x = 15/2

Step-by-step explanation:

1/4^x-1+1/2^x-4=2/5

Solve for x

Answers

Answer:

x = 7 and 1/5

Step-by-step explanation:

this is how you solve

a household consists of a married couple, their twin three-year-old sons, and their twin eight-year-old daughters. the couple's children had no income and lived with their parents all of last year. how many exemptions can the couple claim on last year's tax return if they file with the "married filing jointly" status?

Answers

Considering that they filed the taxes using the "married filing jointly" status, six exemptions can be claimed by the couple.

What is the meaning of "married filing jointly" tax status?

If a person and their spouse file taxes using the "married filing jointly" status, it means that two exemptions are claimed, one for the person and one for the spouse.

For this problem, the exemptions are given as follows:

Two for the couple, as they use the "married filing jointly" status.A total of four for the children, one for each children, considering that they have two children.

2 + 4 = 6.

Hence:

Considering that they filed the taxes using the "married filing jointly" status, six exemptions can be claimed by the couple.

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Answer:

6

Step-by-step explanation:

simple 2+4=6

lots of points pls answer

Answers

The table is a function, the graph is a function, but the mapping diagram is not a function.

What is a function?

Any statement, rule, or law in mathematics that specifies the connection between an independent variable and a dependent variable. In mathematics and the sciences, functions are fundamental for constructing physical connections.

In the given table and graph, each input value is paired with only one output variable, so the relation given in these are functions. But in the mapping diagram two inputs are paired with more than one output, so it is not a function.

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What is 3 5/8 in decimal form?

Answers

Answer:

35/8

step 1: turn the mixed fraction to an improper fraction =29/8

step 2: divide 29 by 8 ,it gives you 3

that and a remainder of 5 don't forget to place your decimal piont

step 3:place 0 at the back of 5 it then becomes 50 so we can easily divide 8 by 50

50 divided by 8 is 6 that gives a remainder of 2

step 3:place 0 at the back of 2 like earlier then it becomes 20

divide 20 by 8 ,this gives you 2 and a remainder of 4

step 4:place 0 at the back of 4 as done earlier , divide 40 by 8

it gives you 5 with no remainder

so your answer finally becomes 3+0.625 which is 3.625

Which of the following equations best represents "y is directly related to the square of x"?

y = kx
y = kx2
y = k(1/x)
y = k(1/x2)

Answers

Answer:c.

Step-by-step explanation: its true

Answer:

the answer is y = k/x

Step-by-step explanation:

why? because I said so

Study these equations:

f(x) = 2x – 8

g(x) = –5x

What is h(x) = f(x)g(x)?

h(x) = 10x2 – 40x
h(x) = –10x2 + 40x
h(x) = –10x + 40
h(x) = 10x – 40

Answers

The function composite h(x) = f(x)g(x) is -10x² +  40x.

Option b)-10x² +  40x is the correct answer.

What is the function composite h(x) = f(x)g(x)?

Given the functions in the question;

f(x) = 2x - 8g(x) = -5xh(x) = f(x)g(x) = ?

Since h(x) = f(x)g(x), replace the function designators in f(x)g(x) with the actual functions.

h(x) = f(x)g(x)

h(x) = ( 2x - 8 )( -5x )

Apply distributive property.

h(x) = ( 2x - 8 )( -5x )

h(x) = 2x(-5x) - 8(-5x)

Perform the operation to remove the parenthesis.

h(x) = -10x² +  40x

The function composite h(x) = f(x)g(x) is -10x² +  40x.

Option b)-10x² +  40x is the correct answer.

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Answer:

The answer is B

Step-by-step explanation:

<3

What two consecutive perfect squares does 10 lie between

Answers

Answer:  9 and 16

===========================================================

Explanation:

The list of perfect squares is 1, 4, 9, 16, 25, 36, 49, ...

A perfect square is the result of multiplying some whole number with itself

Examples:

1^2 = 1*1 = 1

2^2 = 2*2 = 4

3^2 = 3*3 = 9

4^2 = 4*4 = 16

and so on. We see that 10 is between the perfect squares 9 and 16

jada used '60' pepper slices to make '3' pizzas. how many does it take to make '6' of jada's pizzas?

Answers

Answer:

Step-by-step explanation: it takes 60 peppers to make 3 pizzas we need 6 pizzas so we just take 60 x 2= 120. So we need 120 peppers to make 6 pizzas.

Find the midpoint M of the line segment joining the points C = (-8, -8) and D = (-2, 6)?

Answers

[tex]~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ C(\stackrel{x_1}{-8}~,~\stackrel{y_1}{-8})\qquad D(\stackrel{x_2}{-2}~,~\stackrel{y_2}{6}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left(\cfrac{ -2 -8}{2}~~~ ,~~~ \cfrac{ 6 -8}{2} \right) \implies \left(\cfrac{ -10 }{2}~~~ ,~~~ \cfrac{ -2 }{2} \right)\implies (-5~~,~~-1)[/tex]

what the sum of 4 15and9 15

Answers

415+915 ? it’s 1330 .

4. Avi thinks about how clock fractions can be used for division. He thinks
about what fractions correspond to 45 minutes and 15 minutes on a clock.
What is 45+ 15? Write the corresponding fractions and their quotient. Write
the fractions and quotients corresponding to the other times given below in
minutes. Explain how you divide fractions.
45 ÷ 15 =
60 ÷ 30 =
20 + 40 =
3
Hy
30 ÷ 10 =
3
15320
11
||

Answers

3-2-60-3…—— 45 + 15 60

In 2013, there were 50,304 runners in the New York City Marathon. Each runner runs a distance of 26.2 miles. If you add together the total number of miles for all the runners, how many times would they run back and forth from the earth to the moon? Consider the distance from the earth to the moon to be 2.389 x 105 miles.

Answers

The runners would be able to run 2 times back and forth from the earth to the moon if their distances were added.

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

There are 50,304 runners and each runner runs a distance of 26.2 miles. Hence:

Total distance ran by runners = 26.2 miles * 50304 = 1317964.8 miles.

The distance from the earth to the moon is 2.389 x 10⁵ miles, hence:

Ratio of total distance to distance from earth to moon = 1317964.8 miles/ (2.389 * 10⁵) = 5.516

Time ran back and forth = 5.516 / 2 = 2.76

The runners would be able to run 2 times back and forth from the earth to the moon if their distances were added.

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Multiply.

[−135⋅(−6)]⋅(−334)⋅10

Answers

Answer:

-2705400

Step-by-step explanation:

[−135⋅(−6)]⋅(−334)⋅10

[810} · (-334) · 10

[810] · -3340

-2,705,400

I hope this helps!

on their first dive, researchers explore a part of the ocean floor that is 60 feet below sea level. This depth can be represented by the integer -60. On their second dive, researchers explore a deeper dive. d<-60 or(-60>d) true or false?

Answers

The statement that the inequality is d<-60 or(-60>d) is; true.

How to interpret Inequality word Problems?

Let d represent the depth of the researchers' second dive.

We are given that;

Depth of First dive = -60 ft

It was stated that in their second dive, the researchers explored a deeper depth, that is depth deeper than 60 ft.

Since the depth of 60ft is represented by the integer -60, then deeper depth would be represented by integers less than -60.

Thus, we can conclude that d can be represented with the inequality;

d < -60

Therefore the statement that d<-60 or(-60>d) is true.

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Determine whether the equation below has a one solutions, no solutions, or an infinite number of solutions. Afterwards, determine two values of xx that support your conclusion.

x+10=5

Answers

Given the expression,

                         x+10=5

Rearrange variables to the left side of the equation,

                        x = 5 - 10

Calculate the sum or difference,

                        x = -5

Therefore,

The value of x is = -5

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100+ pts if correct math proofs

Answers

Using the two column proof, it has been proved that m∠2 ≅ m∠3

How to use two column proof?

From the given diagram, we can write the two column proof as follows;

Statement 1: m∠DHF = m∠EHG

Reason 1; Given

Statement 2; m∠2 + m∠1 = m∠DHF

Reason 2; Angle Addition Property

Statement 3; m∠1 + m∠3 = m∠GHE

Reason 3; Angle Addition Property

Statement 4; m∠2 ≅ m∠3

Reason 4; Definition of congruent angles

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solve and check the following equation ​​

Answers

Answer:

10

Step-by-step explanation:

→ Expand brackets

-5.4 + 0.55x = 0.05x - 0.4

→ Minus 0.05x from both sides

-5.4 + 0.5x = -0.4

→ Add 5.4 to both sides

0.5x = 5

→ Divide both sides by 0.05

x = 10

Identify the correct solution to the problem 3 x 9/10.

2 x 9/10
3 x 9/10
3 x 7/10
2 x 7/10

Answers

3x 9/10 that should be the answer

The correct solution to of 3 x 9/10 is 3 x 9/10.

The correct option is (B).

What is fraction?

The horizontal bar known as the fractional bar divides the numerator and denominator of every fraction into these two halves.

The denominator shows how many pieces were used to split the entire. Under the fractional bar, it is positioned in the lower portion of the fraction.How many of the fraction's segments are represented or chosen is shown in the numerator. It is positioned in the fraction above's upper portion.

Given:

3 x 9/10

1. 2x 9/10

= 18/10

= 1.8

2. 3 x 9/10

= 27/10

= 2.7

3. 3 x 7/10

= 21/10

= 2.1

4. 2 x 7/10

= 14/10

= 1.4

Hence, the correct solution is 3 x 9/10.

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When a certain odd number is divided by 5, the remainder is 1.
Which digit must be in the unit's place of the odd number?

Answers

The digit at unit's place of odd number should be 1 to be divisible by 5  and have remainder 1.

Odd numbers are the numbers that cannot be divided into two equal parts.

In odd numbers the digits in the units place always remains 1,3,5,7 and 9.

According to the question the odd number is divided by 5 and the remainder is 1.

For the number to be divisible by 5 and have remainder 1 the digit that must be in the unit place will be 1

If we see all the digits in units place of odd numbers then 1 is the only possibility as if it is 3 then the remainder will be 3. If it is 5 then the remainder will be 0, if it is 7 then the remainder will be 2 and if it is 9 then the remainder will be 4.

Hence the digit at unit's place of odd number should be 1.

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For purposes of determining subject matter jurisdiction, a corporation is a resident of. Josefina submitted a complaint online that is non-serious in nature. How will osha most likely respond?. On Earth with a gravitational acceleration \text{g} , the potential energy stored in an object varies directly with its mass m and its vertical height h .a. What is an equation that models the potential energy of a 2 -kg skateboard that is sliding down a ramp? Mariana and her children went into a movie theater and she bought $51.25 worth of candies and pretzels. Each candy costs $4.75 and each pretzel costs $3.25. She bought a total of 13 candies and pretzels altogether. Write a system of equations that could be used to determine the number of candies and the number of pretzels that Mariana bought. Define the variables that you use to write the system. please help please im giving so much E and f are supplementary. If m e = (9x-38) and m f = (2x+42) find m f At a clothing store Kayla finds to sweaters she likes she wants to know if she has enough for both sweaters since $34.95 is about 35 she add $20.75 and 35 mentally and gets $55.75. How should Kayla compensate to go the exact sum of the two prices How did the rise of the middle class, the power of the church, andthe role of guilds change during the Middle Ages. If AABC = ADEF, AB = 8, BC = 19, AC=14, EF = 4x-1, and DE=y-6, find the values ofx and y. Suppose a 0.1M solution of a monosaccharide contains 1000 monosaccharidemolecules. How many monosaccharide molecules would be in a 0.1 Msolution of a disaccharide? someone help this assignment is due today 4,5 and 6 MATHHHHHHHHHHHHHHHHHHHHHH Question tag for if we had more money we would travel a lot Tanya bought 8.05 yards of fleece fabric to make costumes for a school play. She needs 1.25 yards offabric for each costume. How many costumes can Tanya make with the fabric she bought ( long division ) There are 6 yellow balls and 9 green balls in a bag. If 3 balls are chosen one by one randomly from the bag without replacement, find the probabilities of the following events.(a) The first ball chosen is yellow and the last two balls chosen are green.(b) Only the first two balls chosen are of the same colour. what is the common denominator of 3/20 and 9/40 ? Label each of the digits as significant or not significant.0.04600 2. reits don't have to pay corporate income taxes, but in return they face what major restriction? a) they have to hold at least 50% of their assets in government bonds. b) they have to sell any properties they develop within four years of the date of completion of construction. c) their directors must agree not to accept invitations to spend the night in the white house, except under a republican administration. d) they have to pay out 90% or more of their annual taxable income in dividends. jason thomas has invested $200,000 in a privately held family corporation. the corporation does not do well and must declare bankruptcy. what amount does thomas stand to lose? a. up to his total investment of $200,000. b. zero. c. the $200,000 plus any personal assets the creditors demand. d. $100,000. Evaluate: 50% of 3,000= ?