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ozzi
2 years ago
13

What is the value of the expression?

Mathematics
2 answers:
ella [17]2 years ago
6 0

Answer:

D)

Step-by-step explanation:

This becomes 19.2 + 3.8 - 7, which is 23-7 or 16 D).

nekit [7.7K]2 years ago
5 0

Answer:

16

Step-by-step explanation:

19.2+(-3.2)

-7+3.8=-3.2

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A square of side x is cut out of a larger square of side y. What is the area of the remaining
KonstantinChe [14]

Answer:

The area of the remaining figure is y^2-x^2

Step-by-step explanation:

<u>Area of the Square Shape</u>

Given a square of side length x, the area is calculated by the formula:

A_x=x^2

It's given a square of side x is cut out of a larger square of side y. Please refer to the image below.

The area of the square of side length y is:

A_y=y^2

The shaded area of the remaining figure is the difference between both areas:

A=A_y-A_x

A=y^2-x^2

The area of the remaining figure is \mathbf{y^2-x^2}

3 0
3 years ago
Given the function g(x) = x2 + 10x + 20, determine the average rate of change of
Dmitrij [34]

A function assigns the values. The average rate of change for the given function g(x) is 1.

<h3>What is a Function?</h3>

A function assigns the value of each element of one set to the other specific element of another set.

The average rate of change of a function is given by the formula,

Average rate of change, = [f(b)-f(a)]/(b-a), [a,b]

Where a is the lower limit and b is the upper limit.

Given the upper limit for the function is 0, therefore, the value of a is 0, similarly, the value of b is -9. Thus,

a = 0

g(a) = 0²+10(0)+20 = 20

b = -9

g(b) = (-9)²+10(-9)+20 = 11

The average rate of change for the function g(x), can be written as,

\text{Average rate of change}= \dfrac{g(-9)-g(0)}{-9-0}=\dfrac{11-20}{-9} = 1

Hence, the average rate of change for the given function g(x) is 1.

Learn more about Function:

brainly.com/question/5245372

#SPJ1

8 0
2 years ago
Is this a parallelogram and why?
oksano4ka [1.4K]

the rectangle is but the line is not because the line has to have another side !

3 0
3 years ago
Read 2 more answers
Find the value of x. Round to the nearest tenth
VladimirAG [237]

Answer:

36.869 or 36.87

Step-by-step explanation:

first, you find which trig function you are using. in this case, tangent.

then, you put calculate the arctan(3/4) which is 36.96989765

7 0
2 years ago
Factorise 8f³g-12f⁴g²
bonufazy [111]
8f³g-12f⁴g² = 4f³g (2 - 3fg)
Hope it helps
4 0
3 years ago
Read 2 more answers
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