2 years ago

HELP PLEASE SOMEONE !!!!!!!!!!!!!

Mathematics

1 answer:

Papessa [141]2 years ago

8 0

Answer: I strongly agree with [none of the above]

Step-by-step explanation:

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Use the substitution method to solve the system of equations. y = -8x 4x - y = 3 O AG-2 O B. (6-1 oc c. (6.-4 D. G-4

Triss [41]

<h2>Known : </h2>

y = -8x

4x - y = 3

<h2>Asked: </h2>

Use the substitution method to solve the system of equations ?

<h2>Answered:</h2>

<h3>Substitution y</h3>

4x - y = 3

4x - (-8x) = 3

4x + 8x = 3

12x = 3

x = 3/12

x = 1/4

<h3>Substitution x</h3>

4x - y = 3

4(1/4) - y = 3

4/4 - y = 3

1 - y = 3

-y = 3 - 1

-y = 2

y = -2

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3 years ago

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Ride 7,500 meters on the first day and increase the distance by an additional

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In the first 3 days, I think that Juanita will ride 12500? I'm not sure if that is right but I think it is.

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3 years ago

Joanne cannot decide which of two washing machines to buy. The selling price of each is $660. The first is marked down by 40%.

Vikentia [17]

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2 years ago

Solve the following for x: x = 13.54 2.063 0.14 52.1

Readme [11.4K]

13.54 +2.063 +0.14 +52.1= 67.843
so the answer is D.

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2 years ago

Amanda and jamie are standing 25 feet apart and spot a bird in the sky between them the angle of elevation from Amanda is 25 fee

finlep [7]

Answer:

25.2294 feet

Step-by-step explanation:

We can solve this question drawing a triangle using the values given and then using the law of sines. (See image attached to know how to draw the triangle and use the values).

First we need to find the third angle of the triangle, that is, the angle in the vertix where the bird is:

y + 55 + 63 = 180

y = 62°

The relation between the angles and the distances are:

25 / sin(y) = x / sin(63)

25 / 0.8829 = x / 0.8910

x = 25 * 0.8910 / 0.8829 = 25.2294 feet

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3 years ago