Can someone help me please? This is imporant

Can Someone Help Me Please? This Is Imporant

Answers

Answer 1

The solutions for the system of equations: x₁ ≈ - 3.967, x₂ ≈ - 0.622. (Correct choice: B)

How to solve graphically a system of equations

In this question we find a system formed by one nonlinear equation and one linear equation, which can be resolved by using a graphic approach. g(x) = f(x) represents the point of intersection of the two curves. First, we plot the graphs of the two curves and, second, the point of intersection is marked on the Cartesian plane.

According to the result given by the graphing tool, there are two solutions for the system of equations: x₁ ≈ - 3.967, x₂ ≈ - 0.622.

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Can Someone Help Me Please? This Is Imporant

Related Questions

What is the coefficient in this expression 2 + m/4

Answers

The coefficient is 2.

Help NEEDED PLEASE!!!!!!

Answers

According to my calculations, the answer is 10.

5(10h²-20h -30) what’s the answer it’s dueee today

Answers

I could be wrong, but your answer should be: [tex]50h^2-100h-150[/tex].

--------------------------------------------

Hope this helps!

Have a great day and God bless! :)

Answer:

[tex]50h^{2} -100h -150[/tex]

Step-by-step explanation:

Assuming that h has no defined value, all we have to do here is multiply every defined number(non-variable numbers) in the parentheses here by 5.

[tex]5(10h^{2} -20h -30)[/tex]           Given

[tex]50h^{2} -100h -150[/tex]            5x10=50, 5x(-20)=-100, and 5x(-30)=-150

20% of x is 15. What is x% of 120

Answers

Answer: x% of 120=3.6

Step-by-step explanation:

20% of x is 15----   .20*15=3, therefore x=3.

3%=0.03, 0.03*120=3.6


Divide and simplify. ∛64 x⁹ y³ / ∛8 x³

Answers

  Solving the problem by Dividing and simplifying we have as a result 2x⁶y³

What is a division?

  A division is a basic mathematical operation, which has the purpose of dividing a number or element into two or more equal parts, as follows:

Dividend |_divisor

Divisions can also be expressed as a fraction as : a/b

What is simplification?

Simplification is a process of reducing terms to expressions, which do not generate changes or values.

The algebraic expression we will divide and simplify to its smallest expression is:

∛64x⁹y³ / ∛8 x³

We solve the cube roots and substitute results, to split terms

∛64 = 4∛8 = 2

4x⁹y³ / 2x³

 we can see that it is an expression that has two variables

2x⁹⁻³y³

2x⁶y³

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2x-20 and x+20 that makes ab parallel

Answers

If the two angles corresponds, hence the value of x that makes them to be equal is 40

Lines and angles

An angle is a point where two lines meet or intersect

Using the diagram below such that if the line a and b are parallel to each other hence the given angles are corresponding angles.


Equate both angles

2x - 20 = x +20

Collect the like terms

2x - x = 20 + 20

x = 20 + 20

x = 40

Hence the value of x that will make both angles correspond is 40

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Which of the following could be a real-world description of the quantity three times x end quantity divided by 8?

Answers

The real world representation of the given statement is the expression 3x/8

From the question, we are to write the real world description of the given statement.

The given statement is

"the quantity three times x end quantity divided by 8"

To write the real world description of the given expression, we will write the expression as a mathematical statement

Writing the expression as a mathematical statement

'quantity three times x" can be written as

3 × x

= 3x

Then,

"the quantity three times x end quantity divided by 8" becomes

3x ÷ 8

= 3x/8

Hence, the real world representation of the given statement is 3x/8

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round up 1.237 to the nearest hundredths

Answers

Answer:

1.24

Step-by-step explanation:

To round 1.237 to the nearest 100th ( you have to know the thousandth one. which the value is 1.237, ) which is 7 and equal to or more than 5. Therefore, the hundredths value of 1.237

1.237 to the nearest hundredths is 1.24

If f(x) = 2x- + 1 and g(x) = x - 7, find (f- g)(x).

Answers

Answer:

hope this helps you

(f-g)(x)=2x+1-(x^2-7)

(f-g)(x)=2x+1-x^2+7

answer : (f-g)(x)= -x^2+2x+8

find three consecutive odd integers such that the third is 9 more than twice the sum of the first and second

Answers

Answer:

Step-by-step explanation:

let the three consecutive odd numbers be x,x+2,x+4

9+x+4 = 2(x+x+2)

thus x =

10. Three math teachers went to Office Depot to buy school supplies. Mr. Smith bought nine boxes of
pencils, three boxes of markers, and twelve packages of notebook paper for $45.75. Ms. Santana
purchased five boxes of pencils, six boxes of markers, and eight packages of notebook paper for
$41.50. While Mrs. Baker spent $128 on twenty boxes of pencils, four boxes of markers, and fifty
packages of notebook paper.
Which of the following systems of equations can determine the price of these items individually?

Answers

System of equation are,

9x + 3y + 12z = $45.75

5x + 6y + 8z = $41.50

12x + 4y + 50z = $128

Where, x is number of boxes of pencil,

           y is number of boxes of markers.

           z is number of packages of notebook paper.

What is System of equation?

System of equation is two or more equations to be solved together. For a system to have a unique solution, the number of equations must equal the number of unknowns.

Now, Let number of boxes of pencil = x

Number of boxes of markers = y

Number of packages of notebook paper = z

Since, Mr. Smith bought nine boxes of pencils, three boxes of markers, and twelve packages of notebook paper for $45.75.

Hence, In expression is written as;

9x + 3y + 12z = $45.75

Ms. Santana purchased five boxes of pencils, six boxes of markers, and eight packages of notebook paper for $41.50.

Hence, In expression is written as;

5x + 6y + 8z = $41.50

Mrs. Baker spent $128 on twenty boxes of pencils, four boxes of markers, and fifty packages of notebook paper.

Hence, In expression is written as;

12x + 4y + 50z = $128

So, System of equation are,

9x + 3y + 12z = $45.75

5x + 6y + 8z = $41.50

12x + 4y + 50z = $128

Where, x is number of boxes of pencil,

           y is number of boxes of markers.

           z is number of packages of notebook paper.

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25%x4000=?

With explanation, please

Answers

Answer:

1,000

Step-by-step explanation:

25% as a decimal is .25

.25 x 4000

1,000

[tex]\huge\text{Hey there!}[/tex]

[tex]\mathsf{25\% \times 4,000}\\\\\mathsf{= \dfrac{25}{100}\times 4,000}\\\\\mathsf{= \dfrac{25\div25}{100\div25}\times \dfrac{4,000}{1}}\\\\\mathsf{= \dfrac{1}{4}\times \dfrac{4,000}{1}}\\\\\mathsf{= \dfrac{1\times4,000}{4\times1}}\\\\\mathsf{= \dfrac{4,000}{4}}\\\\\mathsf{= 4,000\div4}\\\\\mathsf{= 1,000}\\\\\huge\text{Therefore, your answer should be: \boxed{\mathsf{1,000}}}\huge\checkmark[/tex]

[tex]\huge\text{Good luck on your assignment \& enjoy your day!}[/tex]

~[tex]\frak{Amphitrite1040:)}[/tex]

Can anyone explain how to simplify the square root of 20, in a simple and detailed way?

Answers

Simplification of Square Root of 20 The simple method to find the value of √20 is to factorise the number under the root, i.e. 20. The prime factorisation of 20 gives: 20 = 2 x 2 x 5 = 2 2 x 5 Thus, here we can see, 20 is not a perfect square, because we cannot pair digit 5 after factoring 20. Only 2 2 can be taken out of the root.

Accoreding to the given statement,

The simple method to find the value of √20 is to factorise the number under the root.

What is Factorisation?

The process of breaking or decomposing an entity (such as a number, a matrix, or a polynomial) into a product of another entity, or factors, whose multiplication results in the original number, matrix, etc., is known as factorisation or factoring.

According to the given value;

The prime factorisation of 20 = 2 x 2 x 5 = 2 2 x 5

Thus, here we can see, 20 is not a perfect square, because we cannot pair digit 5 after factoring 20.

Only 2 2 can be taken out of the root.

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Jan invests $800 at a rate of 3% per year simple interest
Calculate the value of her investment at the end of 4 years.

Answers

first we need to know 3 percent of 800.

0.03 times 800 = 24.

we get about 24 interest every year.

now for four years. 800 + 24 = 824.

824 times 4(implying four years) = $3296

The value of her investment at the end of four years is $3296

2(x+4)= 4x + 3-2x+5
does it equal an integer, no solution, or infinite solution?

Answers

Infinite solution is the answer

The distance on the map between Yappy city and Quiet city is 23 cm.
What is the actual distance between citys?

Answers

The actual distance between Yappy city and Quiet city when it is 23 cm in map is 9.2 miles.

What is scaling ?

It is the technique to resize drawing with comparing to actual size of object which uses proportion or ratio. For example, Mapping of earth, drawing prototype of automobiles.

It is given that :

The distance on the map between Yappy city and Quiet city is 23 cm

and,

5cm = 2 miles

now, for 1 cm on map it is equal to 2/5 miles of actual distance.

Therefore to find the actual distance of 23 cm in map we simply multiply 23 with 2/5 :

actual distance :

2/5 x 23 = 9.2 miles

Therefore, the actual distance between Yappy city and Quiet city is 9.2 miles.

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Solve for v
-11.4+5v=1.1

Answers

-11.4+5v=1.1
5v=12.5
v=2.5

x(x-6) < 7

Solve the quadratic inequality. Write the solution set in interval notation.

Answers

Answer:

- 1 < x < 7 or x ∈ (- 1, 7)

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

Given inequality

x(x - 6) < 7

Distribute and simplify, then find the x-intercepts:

x(x - 6) < 7x² - 6x < 7x² - 6x - 7 < 0x² - 7x + x - 7 < 0x(x - 7) + (x - 7) < 0(x + 1)(x - 7) < 0

The x- intercepts are:

x + 1 = 0 and x - 7 = 0x = - 1 and x = 7

Since the leading coefficient is positive, the graph opens up, so the interval between the x-intercepts is negative:

- 1 < x < 7 or x ∈ (- 1, 7)

A jewelry maker will use 24 jade beads and 30 teak beads to make necklaces. each necklace will have the same number of necklaces she can make? how many beads of each type are on each necklace?

Answers

The number of beads of each type that are on each necklace will be 6 beads.

How to illustrate the information?

It should be noted that the jewelry maker will use 24 jade beads and 30 teak beads to make necklaces. each necklace will have the same number of necklaces she can make.

Therefore, it van be seen that the highest common factor between 24 and 30 is 6.

Therefore, the number of beads of each type that are on each necklace will be 6 beads.

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Please help im stuck

Answers

The table represents the direct relationship y = - 3 · x. (Correct choice: C)

How to determine whether a table represents a direct relationship

Two variables have a direct relationship if and only if the following model is observed:

y ∝ x

y = k · x

Where k is the constant of proportionality.

The table may represent a direct relationship if and only if each ordered pair has the same constant of proportionality. Now we proceed to evaluate the table:

k₁ = - 3 / 1

k₁ = - 3

k₂ = - 9 / 3

k₂ = - 3

k₃ = - 15 / 5

k₃ = - 3

As k₁ = k₂ = k₃, then the table represents the direct relationship y = - 3 · x.

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Compare square root of one hundred sixty and one hundred fifteen ninths using <, >, or =.

Answers

The comparison of the numbers are √160 > √115.1

How to compare the numbers?

The numbers are given as

square root of one hundred sixty and one hundred fifteen ninths

Rewrite properly as

√160 and √115.11

By comparing the radical of both numbers, we have

160 and 115.11

160 is greater than 115.11

Hence, the comparison of the numbers are √160 > √115.11

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Find the values of X & Y

Answers

By using the fact that the two lines with the purple arrow are parallel, We can conclude that the angles are y = 133° and x = 47°

How to find the measures of angles x and y?

First,  notice that the two lines with the purple arrow are parallel lines, and these lines are intersected by the same line, then the 4 angles formed in the above line are the same ones than in the below line.

So, if the angle in the fourth quadrant of the above intersection is the same as the angle in the fourth quadrant of the below intersection, then we can see that:

y = 133°

And x + y should be equal to 180°, then:

133° + x = 180°

x = 180° - 133° = 47°

We can conclude that the angles are y = 133° and x = 47°

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I've tried to solve this but I am still puzzled on what to do.


You are solving a measurement problem where the numbers 5.2187 x 10^−3, 2.05 x 10^7, and 3.40 x 10^3 are multiplied. How many significant digits should the product have?


A. 5

B. 3

C. 2

D. 1

Answers

Using scientific notation, the number of significant digits of the product is given as follows:

B. 3.

What is scientific notation?

A number in scientific notation is given by:

[tex]a \times 10^b[/tex]

With the base being [tex]a \in [1, 10)[/tex].

When two numbers in scientific notation are multiplied, we have that:

The bases are multiplied.The power of 10 is kept.The exponents are added.

For this problem, the product is given by:

[tex]5.2187 \times 10^{-3} \times 2.05 \times 10^7 \times 3.4 \times 10^3[/tex]

Multiplying the bases and adding the exponents, we have that:

[tex]5.2187 \times 10^{-3} \times 2.05 \times 10^7 \times 3.4 \times 10^3 = 5.2187 \times 2.05 \times 3.4 \times 10^{-3 + 7 + 3} = 42.8 \times 10^7[/tex]

42.8 has to be divided by 10 to assume for the base have only one digit, thus, to compensate, we have to add one to the exponent(equivalent to multiply by 10), hence:

[tex]42.8 \times 10^7 = 4.28 \times 10^8[/tex]

Hence, considering the rounding, the number has 3 significant digits(4, 2 and 8), and option B is correct.

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if the mass is 12g and the volume is 13cm3 what is the density​

Answers

[tex] \rho = \frac{mass}{volume} = \frac{12}{13} \approx0.923 \: g.cm {}^{ - 3} [/tex]

The sum of 15 and the prodcut of 5 and z

Answers

the expression for the statement that is given will be 15 + 5 z.

We are given the statement that the sum of 15 and the product of 5 and z

We need to make the expression that represents the statement.

First we will find out that the product of 5 and z

So, we will multiply 5 with z.

We get that:

= 5 × z = 5 z

Now we have to find the sum of 15 and 5 z

For this, we will add both the numbers.

We get that:

= 15 + 5 z

Therefore. we get that, the expression for the statement that is given will be 15 + 5 z.

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what is 2.34 written as a percentage

Answers

Answer:

23.4%

Step-by-step explanation:

10 = (2.34 / 10) x 100% = 23.4%.

a fruit salsa recipe calls for 2 cups finely chopped pineapple and 4 cups of finely chopped strawberries. isaiah only has 1 cup of pineapple. He reasons that because he subtracted 1 cup of pineapple he needs to use 3 cups of strawberries. is his reasoning correct? Explain.

Answers

The reasoning isn't correct.

How to explain the information?

It should be noted that the fruit salsa recipe calls for 2 cups finely chopped pineapple and 4 cups of finely chopped strawberries

This implies that the ratio is:

= 2/4

= 1/2

= 1:2.

Therefore when Isaiah only has 1 cup of pineapple, the appropriate strawberry will be:

= 1 × 2 = 2

He's wrong as he doesn't need 3 cups.

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When is a Fraction and ratio the same

Answers

it is actually 1:1 that is 1 all over one

Consider the sequence with first term 2 and second term 4. If these are the first two terms of a geometric sequence, what is the third term?

Answers

The third term of a given geometric sequence based on common ratio 2 is 8.

What is geometrical progression series?

A geometric progression is a sequence in which any element after the first is obtained by multiplying the previous element by a constant which is called a common ratio denoted by r.

Given a geometric sequence.

First term = 2

Second term = 4

Common ratio = Next term / previous term

Common ratio = 4/2 = 2

So,

Common ratio = Third term / second term

The third term = common ratio × second term

The third b = 2 × 4 = 8

Hence "The third term of a given geometric sequence based on common ratio 2 is 8".

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help me my son wont leave me alone!

Answers

Answer:

190 square feet

Step-by-step explanation:

25×4 + (25-5×2) × (10-4) = 25×4 + 15×6 = 100+90 = 190


It’s 190 squared feet I’m pretty sure so good luck
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