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Dmitrij [34]
4 years ago
12

The coordinate plane shows the floor plan for a swimming pool. What is the area of the pool’s border? A. 50 square meters B. 65

square meters C. 80 square meters D. 100 square meters E. 125 square meters Reset Next
Mathematics
1 answer:
irakobra [83]4 years ago
7 0

Answer: Choice B

Step-by-step explanation:

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Work out the balance for £240 invested for 20 years at 7% per annum
Luda [366]

Step-by-step explanation:

It depends in the type on interest

Simple Interest

PxRxT

£240 x 0.07x 3 = £50.4

£240 + £50.4 = £290.4

Compound Interest

Px(1+R)^T

£290.4 x (1 + 0.07)³ = £355.7524872= €355.76

5 0
3 years ago
4.. Please help. Is DE←→ perpendicular to FG←→? Why or why not?
olya-2409 [2.1K]

Given:

DE contains the points D(1, -2) and E(3, 4).

FG contains the points F(-1, 2) and G(4, 0).

To find:

Is DE perpendicular to FG.

Solution:

Slope of DE:

$m=\frac{y_2-y_1}{x_2-x_1}

Here x_1=1, y_1=-2, x_2=3, y_2=4

$m=\frac{4-(-2)}{3-1}

$m=\frac{6}{2}

m = 3

Slope of FG:

$m=\frac{y_2-y_1}{x_2-x_1}

Here x_1=-1, y_1=2, x_2=4, y_2=0

$m=\frac{0-2}{4-(-1)}

$m=\frac{-2}{4+1}

$m=\frac{-2}{5}

<em>Two lines are perpendicular if product their slopes are -1.</em>

Slope of DE × Slope of FG

         $=3\times \frac{-2}{5}

         $= \frac{-6}{5}

         ≠ -1

The solution is no, because the product of the slopes is not -1.

3 0
3 years ago
Read 2 more answers
Sue Has 44 Rib bones on display. there are 22 on the right side and 22 on the left on the right of its body on the right side 9/
Murljashka [212]

Answer:

18/44

Step-by-step explanation:

To turn 9/22 into something over 44, we need to figure out what to multiply it by.

44 / 22 = 2.

Multiply 9/22 by 2:

9/22 * 2 = 18/44

4 0
3 years ago
Please help me quick please
Schach [20]

Answer:

E sounds about right ...

4 0
3 years ago
I need someone to check and help me. Check the ones that are answered. The ones with ? (question marks) please help me and the N
V125BC [204]
All of the answer is in the picture

4 0
3 years ago
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