At the end of June, the rainfall for the year, so far, was 8.2 inches above normal. During the second half of the year, it
rained 3.41 inches below normal. What amount of rainfall fell above or below normal for the entire year?

Answer:

The answer is in the attached screenshot.

Answer:

Step-by-step explanation:

Background: f(x) is the same thing as y but represents the value of x in parentheses.

Ej: f(2)=3x+2, this solution would be "8" because the value in the parentheses represents the value of x. (if the parentheses have an "x" then the value of x is unknown.

1.

f(x)=5x+8   g(x)=(x-8)/5

f(g(x))=?, 5((x-8)/5)+8

f(g(x))=x-8+8

f(g(x))=x

g(f(x))=5x+8-8/5

g(f(x))=5x/5

g(f(x))=x

g(f(x))=f(g(x)) because they both equal x proving they are inverses

Sorry, I don't have time to answer the rest of the steps (I will give the answers to check the work).

All of them are x=x because they are all inverse functions.

The value of g(4) is 7 when given function is g(x)= 4x-9 .

By considering the given function

g(x)= 4x-9

g(4)=4(4)-9

g(4)=16-9

g(4)=7

A function in mathematics that goes from a set X to a set Y assigns exactly one element of Y to each element of X. The sets X and Y are referred to as the function's domain and codomain, respectively.

a mathematical expression, rule, or law that establishes the relationship between an independent variable and a dependent variable (the dependent variable). Functions are everywhere in mathematics, and they are essential for constructing physical relationships in the sciences.

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The total width of the room including the platform is 6.40 and the fraction of raised platform area to the total area is 1/6.

In such a fraction, the value that appears above the horizontal line is referred to as the numerator.

The fraction is the division of the two numbers but the division is not wholly complete.

A) Given the area of room = 46 14/15 = 704/15

Area = Width × Length

W × 7 1/3 = 704/15

W × 22/3 = 704/15

W = 704/15 × 3/22

W = 6.4

B ) Given the area of the platform as 7 37/45 = 352/45

Area of total room = 704/15

Fraction of  raised platform area to the total area = (352/45) / (704/15)

⇒ (352/45) × 15/704

⇒ 352/2112 = 1/6

Hence "The total width of the room including the platform is 6.40 and the fraction of raised platform area to the total area is 1/6".

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Answer:

$0.75

Step-by-step explanation:

Since f(x) is linear, the rate of change is is the coefficient of x

The Three solutions for the linear equation are: (0, -0.333), (1,1) and (3, 3.667).

According to the statement

We have to find that the solution of the linear equation.

So, For this purpose, we know that the

A linear equation is defined as an equation that is written in the form of Ax+By=C.

From the given information:

The three solutions for the linear equation 4x-3y = 1.

Then

The given equation is :

4x-3y = 1

Slope intercept form is

y = 4/3x - 1/3.

Then

For x = 0, we have that

y = 4/3x - 1/3.

y = 4/3(0) - 1/3.

y =  - 1/3.

y = -0.334

Then

For x = 1, we have that

y = 4/3x - 1/3.

y = 4/3(1) - 1/3.

y =  3/3.

y = 1.

Then

For x = 3, we have that

y = 4/3x - 1/3.

y = 4/3(3) - 1/3.

y =  11/3.

y = 3.67.

So, The Three solutions for the linear equation are: (0, -0.333), (1,1) and (3, 3.667).

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The solution to the linear equation given as 2.4 (x - 6) = 0.4 (x + 8) + 12 is  x = 14.8

Linear equations are equations that have constant average rates of change.

Note that the constant average rates of change can also be regarded as the slope or the gradient

The linear equation is given as

2.4 (x - 6) = 0.4 (x + 8) + 12

Open the brackets

So, we have

2.4x - 14.4 = 0.4x + 3.2 + 12

Collect the like terms in the above expression

So, we have

2.4x - 0.4x = 14.4 + 3.2 + 12

Evaluate the like terms in the above expression

So, we have

2.0x = 29.6

Evaluate the quotient in the above expression

So, we have

x = 14.8

Hence the solution to the linear equation given as 2.4 (x - 6) = 0.4 (x + 8) + 12 is  x = 14.8

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When 80% of a number is found then the answer will be less than the number. 120% of a number will be greater than the number.

In order to find 80% of a number, you simply multiply the number by 80/100 .

When you find 80% of a number, the answer would be less than the number because all percentages less than 100% of a number would be less than the number.

For instance, 80% of 5 is:

= 80/100 x 5

= 4

All percentages more than 100 would be greater than the number which means that 120% would be greater. For instance:

= 120% x 5

= 6

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Step-by-step explanation:

and ... ? what do we need to do ?

I guess finding the number of quarters and dimes.

x = number of quarters

y = number of dimes

x + y = 185

x = 185 - y

0.25×x + 0.1×y = 26.75

after all, a quarter has a value of $0.25, and a dime of $0.10.

let's use the identity of the first equation in the second equation :

0.25×(185 - y) + 0.1×y = 26.75

to make is simpler to see let's multiply the whole thing by 100 :

25×(185 - y) + 10y = 2675

4625 - 25y + 10y = 2675

4625 - 15y = 2675

1950 = 15y

y = 130

x = 185 - y = 185 - 130 = 55

there are 55 quarters and 130 dimes in the bag.

Answer: The answer for 9 is 50 miles per hour and the one who drove farthest is is ben because at 5 hours he drove already 250 miles. And for number 9 according to the table she is driving 15 miles per hour because on the bottom it always adds up by 15 miles.

Step-by-step explanation: So first to figure out 9 I used y2-y1/x2-x1 to figure out the rate of change and got 50 miles per hour and the point I used were (5,100) and (5,250). Then According to Ben's graph it shows that he drove 250 miles at 5 hours while sally was at 100 miles for 5 hours. So Ben drove the farthest. Then finally for number 9 I concluded that sally is driving 15 miles per hour because distance always adds up by 15 miles.

Hope this Helps :D

Answer: 252

Step-by-step explanation:

The missing part from this problem for you to solve it is that the total marbles Sara had.

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.

If an event can occur in m different ways and if following it, a second event can occur in n different ways, then the two events in succession can occur in m × n different ways.

We have been given that Mahad had no marbles, so Sara gave ⅓ of her marbles to Mahad.

Here we can see that this problem cannot be solved due to a lack of information. we need the total marbles Sara had.

If we are given the total marbles Sara had, then we can just simply divide the amount by the denominator.

Therefore, the missing part from this problem for you to solve it is that the total marbles Sara had.

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The base of its triangular face of the triangular prism is found as 17.7 cm.

The formula for the volume of triangular prism is;

Volume = base area x length

The base area of the triangular base.

The area of the triangle = 1/2 base×height

The given values are-

Thus, volume = base area x length

volume =  1/2 base × height × length

base = 2v/(height × length)

Put the values;

base = 2×2,354.1/(14 × 19)

base = 4708.2/(14 × 19)

base = 17.7 cm

Thus, the base of the triangular  prism is found as 17.7 cm.

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The equation of the line in standard form is 12x-2y=13.

Given that line that is the perpendicular bisector of the segment whose endpoints are R(-1, 6) and S(5, 5).

R≡(-1,6) and S≡(5,5)

The perpendicular bisector of the line segment joining R and S will pass through the midpoint M.

coordinate of M is =((-1+5)/2,(6+5)/2)

coordinate of M is=(2,11/2)

Slope of the line joining R and S is

m₁=(6-5)/(-1-5)

m₁=-1/6

We know that for two perpendicular lines having slope m₁ and m₂,

m₁m₂=-1

Here, m₁=-1/6

Let m₂ be the slope of the perpendicular bisector

(-1/6)m₂=-1

m₂=6

Equation of the perpendicular bisector will be,

(y-yₙ)/(x-xₙ)=m₂   [(xₙ,yₙ) is the coordinate of M]

(y-11/2)/(x-2)=6

(2y-11)/2=6(x-2)

2y-11=12x-24

12x-2y=13

Hence, the equation of the given line in standard form when ine that is perpendicular bisector of the segment whose endpoints are R(-1, 6) and S(5, 5) is 12x-2y=13.

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Answer:

a) 28

Step-by-step explanation:

Given information,

→ w = 5

→ x = 9

→ y = 2

The given expression is,

→ x + 20 - 1

Let's solve the expression,

→ x + 20 - 1

→ 9 + 20 - 1

→ 29 - 1

→ 28

Hence, the answer is 28.

Answer:

1.33

step by step explanation

The measurement of the angle X is 60 degrees.

Angles L and X are the highest angles according to the diagram. They line up to have an angle of L = X = 60 degrees.

However, because the figures in a diagram could be oddly arranged, you shouldn't rely exclusively on it. A more effective strategy is to consider the letter combinations JKLMN and VWXYZ.

Observe how the third letters of JKLMN and VWXYZ, respectively, are L and X. This indicates that the letters are congruent angles and couple up (since the polygons are similar). Thus, this is a non-visual method of understanding how angle L = angle X = 60.

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Answer:

yes

Step-by-step explanation:

you can classify people into categories by name, state, and age. Hope this helps!

Answer:

x = 12

Step-by-step explanation:

brainliest

Based on the given equation, the solution to x is -32.

The formula given is:

x / -2² = 4 (-2)

To solve for x, solve for the exponents:

x / -2² = 4 (-2)

x / 4 = 4 (-2)

Then solve the brackets:

x / 4 = 4 (-2)

x / 4 = -8

Then solve for x:

x / 4 = -8

x = -8 x 4

x = -32

In conclusion, based on the equation of x given, the value of x can be found to be -32.

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Work Shown:

[tex](x_1,y_1) = (7,-6) \text{ and } (x_2,y_2) = (6,-6)\\\\m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}\\\\m = \frac{-6 - (-6)}{6 - 7}\\\\m = \frac{-6 + 6}{6 - 7}\\\\m = \frac{0}{-1}\\\\m = 0\\\\[/tex]

Lines with slope of 0 are always horizontal. The y coordinates are the same value.

Answer: 1/6

Step-by-step explanation:

The solution to the given inequality -3(x - 2) ≤ 1/3 is x ≤ 17/9

-3(x - 2) ≤ 1/3

-3x + 6 ≤ 1/3

-3x ≤ 1/3 - 6

-3x ≤ (1-18) / 3

-3x ≤ -17/3

x ≤ -17 /3 ÷ -3

x ≤ -17/3 × 1/-3

x ≤ -17/-9

x ≤ 17/9

A verbal statement describing the solution to the inequality is x is less than equal to 17 over 9

Verifying the solution of the inequality:

-3(x - 2) ≤ 1/3

-3x + 6 ≤ 1/3

-3(17/9) + 6 ≤ 1/3

-51/9 + 6 ≤ 1/3

(-51+54) / 9 ≤ 1/3

3/9 ≤ 1/3

1/3 ≤ 1/3

Therefore, the -3(x - 2) ≤ 1/3 to the inequality -3(x - 2) ≤ 1/3 in verbal statement is x is less than equal to 17 over 9.

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The table of the function y = (1/2)x + 3 is when (x = 4, y = 5), (x = 6, y = 6),

( x = 9, y = 15/2), ( x = 11, y = 17/3).

An expression represents that two different forms of numerical and variables are the same.

Given an expression y = (1/2)x + 3 we have to determine the range of this function corresponding to the domain { 4, 6, 9, 11 }.

For x = 4,

y = (1/2).4 + 3.

y = 2 + 3.

y = 5.

For x = 6,

y = (1/2).6 + 3.

y = 3 + 3.

y = 6.

For x = 9,

y = (1/2).9 + 3.

y = 9/2 + 3.

y = 15/2.

For x = 11,

y = (1/2).11 + 3.

y = 11/2 + 3.

y = 17/3.

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Answer:

Solution:

So answer is 12 inches

Step-by-step explanation:

f(x) = x³ + 2x² - 3x - 6

f(-2) = (-2)³ + 2(-2)² - 3(-2) - 6

= -8 + 8 + 6 - 6

= 0