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xxMikexx [17]
2 years ago
8

Zachary purchased a computer for $1,200 on a payment plan. Four months after he purchased the computer, his balance was $780. Fi

ve months after he
purchased the computer, his balance was $675. What is an equation that models the balance y after x months?
The equation models the balance y after x months.
Mathematics
1 answer:
DedPeter [7]2 years ago
8 0

Answer:

y = 105x

Step-by-step explanation:

He loses $105 per month

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When u round to the nearest hundred thousand the population of the state of North Carolina is 9,800,000. Which could be the exac
rjkz [21]

Answer:

D - 9,848,060

Step-by-step explanation:

In the number 9,848,060 the number 8 is in the hundred thousands place.

The number behind it is 4, which is nor equal to or more than 5, meaning that that the 8 stays the same.

6 0
3 years ago
AD←→ is tangent to circle M at point D. The measure of ∠DMQ is 58º.
Marat540 [252]

Answer:

32°

Step-by-step explanation:

Given:

∠DMQ = 58º

In this circle, the radius is DM. Since AD is tangent to the circle M, at point D, and the angle between a tangent and a radius is 90°

Therefore, ∠MDQ = 90°

The total angle in a triangle is 180°. Since we have the values of ∠MDQ and ∠DMQ, ∠DQM will be calculated as:

180 = ∠DMQ + ∠MDQ + ∠DQM

Solving for ∠DQM, we have:

∠DQM = 180 - ∠DMQ - ∠MDQ

∠DQM = 180 - 90 - 58

∠DQM = 32°

The measure of ∠DQM is 32°

6 0
2 years ago
What is the vertex of the graph of y = x2 + 4x?<br> (–2, –12)<br> (–2, –8)<br> (–2, –6)<br> (–2, –4)
SCORPION-xisa [38]

Answer: The vertex of the parabola (quadratic function) is (-2,-4)

Fourth option: (-2,-4)


Solution:

y=x^2+4x

y=ax^2+bx+c; a=1, b=4, c=0

Vertex: V=(h,k)

h=-b/(2a)

h=-4/(2(1))

h=-4/2

h=-2

y=x^2+4x

k=y=h^2+4h

k=(-2)^2+4(-2)

k=4-8

k=-4

Vertex: V=(h,k)

Vertex: V=( -2, -4)



3 0
3 years ago
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gregori [183]

Answer:

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Step-by-step explanation:

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2 years ago
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15 percent I think :)))))))))))))))))(
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3 years ago
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