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Drupady [299]
3 years ago
5

Factor out the greatest common factor of the expression below using the distributive property.

Mathematics
2 answers:
Umnica [9.8K]3 years ago
6 0
Greatest common factor which is 30
sashaice [31]3 years ago
4 0
It's a. Because 30 is the highest number that works out of those. (Also 3 and 2 are prime so it can't get smaller than that:) If you need an explanation of how this works, just ask. Hope it helps:)  <span />
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If the monthly cost for 23 HCF is <br> $48.31 , what is the monthly cost for 18 HCF?
ANEK [815]
$48.31/23=$2.10. $2.10x18=$37.81
8 0
2 years ago
Plz help me Much appreciated.
Ratling [72]
Slope is -12 and the form is y=Mx+b
8 0
3 years ago
In a certain neighborhood, there's a sagging power line between two utility poles. The utility poles are 50 feet tall and 120 fe
e-lub [12.9K]
<h3>Answer:  33.75 feet</h3>

In fraction form, this value is equal to 135/4

33.75 ft is equivalent to 33 ft, 9 inches.

===============================================

Explanation:

Refer to the diagram below.

The key point to start with is point H, which is the vertex of the parabola.

Recall that vertex form is

y = a(x-h)^2 + k

What we'll do is plug in the vertex (h,k) = (60,30) which is the location of point H. We'll also plug in (0,45) which is the y intercept, aka the location of point C.

So,

y = a(x-h)^2 + k

y = a(x-60)^2 + 30 .... plug in vertex

45 = a(0-60)^2 + 30 .... plug in y intercept coordinates

45 = a(-60)^2 + 30

45 = a(3600) + 30

45 = 3600a + 30

45-30 = 3600a

3600a = 15

a = 15/3600

a = 1/240

This then means:

y = a(x-h)^2 + k

y = (1/240)(x-60)^2 + 30

This is the equation of our parabola. Plug in x = 30 to determine the height of point K

y = (1/240)(x-60)^2 + 30

y = (1/240)(30-60)^2 + 30

y = (1/240)(-30)^2 + 30

y = (1/240)(900) + 30

y = 15/4 + 30

y = 15/4 + 120/4

y = 135/4

y = 33.75

Therefore, the height of the power line, when it is 30 feet away from one of the poles, is 33.75 feet. This is the y coordinate of point K.

Side note: 33.75 ft = 33 ft + 0.75 ft = 33 ft + 12*0.75 in = 33 ft + 9 inches

8 0
2 years ago
Please answer this correctly
PilotLPTM [1.2K]
Answer: 4:38 pm

I hope this help you
6 0
3 years ago
Read 2 more answers
Solve the equation by completing the square.
Vilka [71]
Is it 4x squared? if so the answer would be A
6 0
2 years ago
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