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2 years ago

Please help I will give brainliest

Mathematics

2 answers:

navik [9.2K]2 years ago

6 0

E pi and F pi and (for third one) are correct answers

CaHeK987 [17]2 years ago

3 0

E and F are the correct answers

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PLS HELP I HAVE TO SUBMIT THIS SOON

zlopas [31]

Answer:

Step-by-step explanation:

You need to know the formula for the area of a circle , do you?

it's pi* $r^{2}$

plug in 1/2 of the diameter , they tell us it's 48 + 6 = 54

54/2 = 27

pi* $27^{2}$ =2290.2 sq inches

4 0

2 years ago

For #1 we’re adding/subtracting/multi polynomials I need the answer for #1 its kind of shaded off

lubasha [3.4K]

Answer:

- 6x² - 2x + 1

Step-by-step explanation:

Given

(2x³ - 4x² - 3x + 5) + (- 2x³ - 2x² + x - 4)

Both parenthesis are distributed by 1 thus just remove them

= 2x³ - 4x² - 3x + 5 - 2x³ - 2x² + x - 4 ← collect like terms

= - 6x² - 2x + 1

6 0

2 years ago

Based on the above chart, which industry's average annual rate of change is projected to decrease the most in the 2006-2016 peri

RUDIKE [14]

Answer:

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Find -2 1/6 + ( - 2/3 )= Write your answer as a fraction in simplest form.

xxMikexx [17]

Answer:

-2 5/6

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Directions:Simplify the following monomials.SHOW ALL STEPS!

Mandarinka [93]

Answer:

7. Ans;

$\frac{6 {a}^{5} {b}^{7} }{ - 2 {a}^{3} {b}^{7} } = \frac{2 {a}^{3} {b}^{7}(3 {a}^{2} ) }{ - 2 {a}^{3} {b}^{7} } = - 3 {a}^{2}$

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8. Ans;

$\frac{ - 20 {x}^{3} {y}^{2} }{ - 5 {x}^{3}y } = \frac{ - 5 {x}^{3}y(4y) }{ - 5 {x}^{3}y } = 4y$

___o___o___

9. Ans;

$\frac{ - 16 a {b}^{4} }{4 {b}^{3} } = \frac{4 {b}^{3}( - 4ab) }{4 {b}^{3} } = - 4ab$

____o____o____

10. Ans;

$\frac{21 {m}^{8} {n}^{5} }{27 {m}^{5} {n}^{4} } = \frac{3 {m}^{5} {n}^{4}(7 {m}^{3} n) }{3 {m}^{5} {n}^{4}(9) } = \frac{7 {m}^{3}n }{9}$

___o___o___

11. Ans;

$\frac{ - 15 {x}^{5} {y}^{4} }{45x {y}^{3} } = \frac{ 15x {y}^{3} ( - {x}^{4} y)}{15x {y}^{3}(3) } = - \frac{ {x}^{4}y }{3}$

___o___o___

12.Ans;

$\frac{7 {p}^{2} {q}^{2} }{14 {p}^{2} {q}^{2} } = \frac{7 {p}^{2} {q}^{2} }{7 {p}^{2} {q}^{2} (2) } = \frac{1}{2} = 0.5$

I hope I helped you^_^

7 0

2 years ago

Read 2 more answers