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3 years ago

Which of the following statements contain a variable? Check all that apply.

Mathematics

1 answer:

fredd [130]3 years ago

5 0

D but im not sure if im right

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If f(x) = -3x4 - 2x3 + 3x2, and g(x) = 3x4 - 4x3 + x2 then f(x) + g(x) =

Alex_Xolod [135]

I'm assuming the the numbers coming after the variables are meant to be exponents, and if I'm wrong just let me know

-3x^4 - 2x^3 + 3x^2 + 3x^4 - 4x^3 + x^2, rearrange to have like terms in order
-3x^4 +3x^4 - 2x^3 - 4x^3 +3x^2 + x^2, now simplify
0 -6x^3 + 4x^2

6 0

3 years ago

What is the square root of 29,

sweet [91]

Nothing times itself will equal 29, but in decimal form only is 5.38

8 0

3 years ago

Find the area of the figure. PLEASSEEEEEEEE!!!!!!!!

allochka39001 [22]

Given:

side length = 6 ft

To find:

The area of the figure

Solution:

Area of the square = side × side

= 6 × 6

Area of the square = 36 ft²

Diameter of the semi-circle = 6 ft

Radius of the semi-circle = 6 ÷ 2 = 3 ft

Area of the semi-circle = $\frac{1}{2} \pi r^2$

$$=\frac{1}{2} \times 3.14 \times 3^2$

Area of the semi-circle = 14.13 ft²

Area of the figure = Area of the square - Area of the semi-circle

= 36 ft² - 14.13 ft²

= 21.87 ft²

Area of the figure = 21.9 ft²

The area of the figure is 21.9 ft².

5 0

3 years ago

Which of the following fractions is closest to the decimal 0.35

Eva8 [605]

<span>These are the options that I found for this question.

1/3

3/5

3/8

5/1/2

You just have to make the division and compare the results>

1 / 3 = 0.333..

3 / 5 = 0.6

3 / 8 = 0.375

5 / 12 = 0.416.....

So which is closest to 0.35? The answer is 1/3
</span>

8 0

2 years ago

Not sure how to make an equation for this problem. The equation I put was 86 - 8 = b x 2 = 156. But, it is starting that is inco

Elden [556K]

Answer:

b/2 + 8 = 86

b = 156

Step-by-step explanation:

Half the comics is b/2

b/2 + 8 = 86

Subtract 8 from both sides

b/2 = 78

multiply both sides by 2

b = 156

7 0

2 years ago