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2 years ago

14

Use the function below to find? help

1 answer:

Hoochie [10]2 years ago

6 0

Answer:

$\frac{1}{16\\}$

Step-by-step explanation:

This is because you have to insert -4 as x

$2^{-4}$ equals $\frac{1}{16\\}$

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Find the first, fourth, and eighth terms of the sequence.<br><br> A(n) = −2 ∙ 2x − 1

Nutka1998 [239]

$A(n)=-2\cdot2^{n-1}\\\\\text{Find the first, fourth, and eighth terms}\\\text{It means}\ A(1),\ A(4)\ \text{and}\ A(8).\\\\\text{Substitute}\ n=1,\ n=4\ \text{and}\ n=8\ \text{in}\ A(n):\\\\A(1)=-2\cdot2^{1-1}=-2\cdot2^0=-2\cdot1=-2\\\\A(4)=-2\cdot2^{4-1}=-2\cdot2^3=-2\cdot8=-16\\\\A(8)=-2\cdot2^{8-1}=-2\cdot2^7=-2\cdot128=-256\\\\\boxed{Answer:\ -2,\ -16,\ -256}$

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2 years ago

An engineering scale model shows a church that is 2 inches tall. if the scale is 1 inch = 256 feet, how tall is the actual churc

SVETLANKA909090 [29]

Answer:

Actual height of church = 512 feet

Step-by-step explanation:

Given:

Scale model;

1 inch = 256 feet

Height of church (Scale model) = 2 inches

Find:

Actual height of church

Computation:

Actual height of church = Height of church (Scale model) x scale length

Actual height of church = 2 inches x 256 feet/inches

Actual height of church = 2 x 256 feet

Actual height of church = 512 feet

8 0

2 years ago

Eddie has saved up $45 to purchase a new camera from the local store. The sales tax in his county is 7% of the sticker price. Wr

Papessa [141]

<span>Let the price (before tax) be x. The tax is 7% of x, so it is 0.07x. The price plus the tax add up to $45. x + 0.07x = 45</span>

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2 years ago

The library Survey 240 people about their favorite type of movie is 50% of the people chose documentaries how many people chose

nevsk [136]

G. 36 people. There were only 36 people choose documentaries.

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2 years ago

In a shipment of new cookies for a store, 4/12 of the cookies were sugar and 1/5 were oatmeal. The remainder of the cookies were

Lisa [10]

Answer:

13/15

Step-by-step explanation:

The fraction of the cookies that are chocolate chip can be determined by solving this equation

1 - ( $\frac{4}{12}$ - $\frac{1}{5}$ )

1 - $\frac{20 - 12}{60}$

1 - $\frac{8}{60}$

$\frac{60}{60}$ - $\frac{8}{60}$ = $\frac{52}{60}$ = 13/15

4 0

2 years ago