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2 years ago

Find the area of this shape.

Mathematics

1 answer:

ch4aika [34]2 years ago

3 0

The top part of the shape is 8x6 and the bottom part is 6x6 so the answer is 84

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At a 5 % annual interest rate, a principal of $2,000 earns $ 400. How long was the principal invested?

prohojiy [21]

Answer:

The final balance is $4,926.8.

The total compound interest is $3,926.8.

Step-by-step explanation:

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1 year ago

A textbook search committee is considering 13 books for possible adoption. The committee has decided to select 3 of the 13 for f

laiz [17]

Number of ways in which the 3 can be selected from 13 = 286

Step-by-step explanation:

Step 1:

Number of books considered by the textbook search committee = 13

Number of books selected from this 13 = 3

We need to determine number of ways in which the 3 can be selected from the 13

Step 2 :

The order of the 3 books selected does not matter. So,

Number of ways in which the 3 books can be selected from 13 books = C(13,3) = $\frac{13!}{10! . 3!}$

= $\frac{ 13 . 12 .11 . 10!}{10! . 3! }$

= $\frac{1716}{6}$ = 286

Step 3 :

Answer :

Number of ways in which the 3 can be selected from 13 = 286

8 0

2 years ago

What number should be added to the expression x^2 + 2x to change it into a perfect square trinomial?

horrorfan [7]

$The\ perfect\ scuare:(a+b)^2=a^2+2ab+b^2\\------------------\\\\x^2+2x\to a=x;\ 2ab=2xb\to b=1\\\\therefore\\\\x^2+2x\cdot1+1^2=x^2+2x+\boxed{1}\leftarrow\boxed{A}$

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2 years ago

Cual es la fraccion intermedia de 2\4 y 3\4

Leviafan [203]

Answer:

10t-2b-2

Step-by-step explanation:

5+2-2123

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2 years ago

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A hiker is walking up a mountain. The hiker starts at the ground and

Bess [88]

Answer:

hitchhiker , miles

Step-by-step explanation:

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2 years ago