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Lorico [155]
2 years ago
7

A(x) = 7 – 4x , A(-1) =

Mathematics
2 answers:
kramer2 years ago
8 0

Answer:

<em><u>7-4*(-1)</u></em>

<em><u>7-4*(-1)7+4</u></em>

<em><u>7-4*(-1)7+411</u></em>

Step-by-step explanation:

hope it will help u

stich3 [128]2 years ago
4 0

Answer:

A(- 1) = 11

Step-by-step explanation:

Substitute x = - 1 into A(x) , that is

A(- 1) = 7 - 4(- 1) = 7 + 4 = 11

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If a bird is on the ground, 7 ft away from a 10 ft tall tree, then what is the angle (to the
iren2701 [21]

Answer:

The angle is 55°

Step-by-step explanation:

To find the angle at which a bid is looking up on top of a tree that is 10feet tall if the bird is on the ground 7 feet away from the tree, we will follow the steps below:

we will use trigonometric ratio to find the angle

SOH CAH TOA

sinФ = opposite / hypotenuse

cosФ = adjacent / hypotenuse

tanФ = opposite /adjacent

from the diagram below, opposite = 10 feet   and   adjacent = 7 feet

the best trig.ratio to use is tan

tanФ = opposite /adjacent

tanФ = 10 /7

tan Ф =1.42857

to get the value of  Ф, we will take the tan⁻¹  of both-side

tan⁻¹ tan Ф = tan⁻¹ 1.42857

Ф= tan⁻¹ 1.42857

Ф≈55°

Therefore, the angle is 55°

4 0
3 years ago
PLS ANSWER WILL MARK BRAINLIEST
fomenos

Answer:

All you have to do is to the distributive method.

Step-by-step explanation:

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5 0
3 years ago
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Step-by-step explanation:

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3 years ago
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Answer:

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Step-by-step explanation:

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2 years ago
Volume8cm what is side lengths
pickupchik [31]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
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