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DedPeter [7]
3 years ago
9

Can someone please explain what I need to do pls asap

Mathematics
1 answer:
alexgriva [62]3 years ago
6 0

Answer: 1) 530.66 ft^2

Step-by-step explanation:

You need to find the area of the circles.

They gave you the formula to find them which is

Area = Pi * R^2    //// Pi times Radius squared will give you the area.

For example, the radius of the 1st question is 13ft. We use it with the formula given.

A = 3.14 * 13^2  /// 13 squared is just 13 x 13 = 169

A = 3.14 * 169   /// Now multiply Pi times 169

A = 530.66      /// Thats your answer.

530.66 ft^2

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Keith_Richards [23]

Answer:

The Pink ones since they are the lowest amount of them.                         PLEASE MARK THE BRAINILEST

8 0
3 years ago
Read 2 more answers
Tell me which option is correct: (0,m) (b,0) (m,0) (0,b) which one of those
strojnjashka [21]

Answer:

search-icon-header

Search for questions & chapters

search-icon-image

Class 11

>>Physics

>>Units and Measurement

>>Errors in Measurement

>>You measure two quantities ...

Question

Bookmark

You measure two quantities as A=1.0m±0.2m, B=2.0m±0.2m. We should report correct value for

AB

as

Medium

Solution

verified

Verified by Toppr

Correct option is

D

1.4m±0.2m

Here, A=1.0m±0.2m, B=2.0m±0.2m

AB=(1.0m)(2.0m)=2.0m

2

AB

=

2.0m

=1.414m

Rounding off to two significant figures, we get

AB

=1.4m

AB

ΔAB

=

2

1

(

A

ΔA

+

B

ΔB

)=

2

1

(

1.0

0.2

+

2.0

0.2

)=

2

0.3

Δ

AB

=

2

0.3

×

AB

=

2

0.3

×1.414=0.212m

Rounding off to one significant figure, we get

Δ

AB

=0.2m

The correct value for

AB

is 1.4m±0.2m

8 0
2 years ago
HELP ME it's almost due<br> find the length of the diagonals of rectangle QRST
Westkost [7]

Answer:

11.since diagonal are equal of rectangle

QS=RT

4x+6=6x-4

6+4=6x-4x

2x=10

x=10/2

x=5

now

diagonal :4x+6=4*5+6=<u>26</u>

12.

again

QS=RT

9x+12=11x-10

12+10=11x-9x

2x=22

x=11

now

diagonal=9*11+12=99+12=<u>111</u>

8 0
3 years ago
If f(x) = 5^x2 - 3 and g(x) = x2 - 4x - 8, find (f - g)(x).
kkurt [141]

Answer:

4x² + 4x + 5

Step-by-step explanation:

Note that (f - g)(x) = f(x) - g(x), thus

f(x) - g(x)

= 5x² - 3 - (x² - 4x - 8 ) ← distribute parenthesis by - 1

= 5x² - 3 - x² + 4x + 8 ← collect like terms

= 4x² + 4x + 5

3 0
3 years ago
Select the quadratic that has roots x=8 and x=-5 a x^2 + 3x -40
sergiy2304 [10]
If x = 8, then the factor is (x - 8); likewise, if x = -5, then the factor is (x + 5).  FOIL those together and get B
4 0
3 years ago
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