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3 years ago

PLEASE HELP I GIVE BRAINLIEST

Mathematics

1 answer:

Gwar [14]3 years ago

4 0

Answer: 777654

Step-by-step explanation:

lol

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The curved part of this figure is a semicircle. What is the best approximation for the area of this figure? 18+12.125π units² 36

andreyandreev [35.5K]

Answer:

18+12.125π units²

Step-by-step explanation:

The diameter of the semicircle can be found by the use Pythagoras theorem.

Δx²+Δy²=d²

Δx=3--1=4

Δy=3--6=9

d²=4²+9²

d=√(16+81)

Area=πr²/2

=π×(√(16+81)/2)²÷2

=[π×(97)/4]/2

=97π/8

=18+12.125π units²

97π/8 is equivalent to 18+12.125π units²

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3 years ago

What is 3 and 7 tens plus 8 and 2 fifth

vladimir2022 [97]

If you are trying to get the answer to
$\frac{3}{7} + \frac{8}{2} 
$
Your answer would be a mixed number.
<span>4</span> $\frac{3}{7}$

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3 years ago

The slope of y= 1/2x-7

Arisa [49]

The slope of y= 1/2x-7 is always positive because since the slope of this equation is “1/2”, 1/2 is always positive.

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3 years ago

Read 2 more answers

What is the decimal of 2 1/3

34kurt

Answer:

2.3333333333

Step-by-step explanation:

2+1/3

= 2.3333333333

= 233.33333333%

7 0

3 years ago

A contractor is building a fenced-in area at a daycare. The area will be rectangular with the length of its base equal to half t

AlladinOne [14]

Answer:

The length of fencing will be $300\ ft$

Step-by-step explanation:

Step 1

Find the dimensions of the rectangle

we know that

The area of a rectangle is equal to

$A=bh$

In this problem we have

$A=5,000\ ft^{2}$

$5,000=bh$ -----> equation A

$b=\frac{h}{2}$ -----> equation B

Substitute equation B in equation A

$5,000=(\frac{h}{2})h$

$10,000=h^{2}$

square root both sides

$h=100\ ft$

Find the value of b

$b=\frac{h}{2}$ -----> $b=\frac{100}{2}=50\ ft$

step 2

Find the length of fencing

The perimeter of a rectangle is equal to

$P=2(b+h)$

we have

$h=100\ ft$

$b=50\ ft$

substitute

$P=2(50+100)=300\ ft$

6 0

3 years ago