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alexandr402 [8]
3 years ago
13

Write the equation of a line that is parallel to y=-0.75x and that passes through the point (8,0).

Mathematics
1 answer:
zzz [600]3 years ago
7 0

Answer:

y - 0 = -3/4(x - 8)

y = -3/4x + 6

Step-by-step explanation:

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Given two points what’s the slope intersect form (-3, 7) and (1, -1)
UNO [17]
Change in y over the change in x
-1-7=-8
1- -3=4

-8 divided by 4

Slope=-2
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2 years ago
What is the vertex of a parabola having the equation y = –2(x – 5)2 + 7? Which direction does the parabola open?
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y = -2(x-5)^2 + 7

That's vertex form for a parabola y=a(x-p)^2+q and we read off vertex (p,q) as

Answer: Vertex (5,7)

The negative <em>a</em> tells us this is a downward opening parabola (upside down from the usual y=x^2. I remember CUP - Concave Up Positive; here <em>a </em>is negative so not a cup, instead concave <em>down.</em> The same rule applies to second derivatives in calculus so memorize it now and use it later.

Answer: downward

7 0
3 years ago
10 points please answer correctly (due soon)
luda_lava [24]

The exponential equation of the model is A(t) = 2583 * 0.88^t and the multiplier means that the number of new cases in a week is 88% of the previous week

<h3>The function that models the data</h3>

The given parameters are:

New, A(t) = 2000

Rate, r = 12%

The function is represented as:

A(t) = A * (1 - r)^t

So, we have:

2000 = A * (1 - 12%)^t

This gives

2000 = A * (0.88)^t

2 weeks ago implies that;

t = 2

So, we have:

2000 = A * 0.88^2

Evaluate

2000 = A * 0.7744

Divide by 0.7744

A = 2583

Substitute A = 2583 in A(t) = A * 0.88^t

A(t) = 2583 * 0.88^t

Hence, the exponential equation of the model is A(t) = 2583 * 0.88^t

<h3>The interpretation of the multiplier</h3>

In this case, the multiplier is 88% or 0.88

This means that the number of new cases in a week is 88% of the previous week

Read more about exponential equation at

brainly.com/question/2456547

#SPJ1

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Solve.<br> 5x – 10 &lt;20<br> O (-00, 2]<br> O (-0,2)<br> O (-00, 6]<br> O (-0, 6)
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The answer I got was -∞21/5
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A gift company sell carved rectangular signs. The company charges by the área of the sign. A sign has an área of 120 square inch
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Answer: 24

Step-by-step explanation:

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