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Nutka1998 [239]
3 years ago
11

Please answer all of these. Its for my homework that Ms. Velez explained very poorly, but thanks if you answer.

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
7 0

Answer:

1. -3/5x^41+5/12

2.   14/3 or 80/21 (see explanation in step -by -step explanation)

Step-by-step explanation:

1. For this you just have to simplify it

2. for this one if it is just  2/3 - (-4) then it would be 14/3 but if it is 2/3 - (-4)-6/7 then you get 80/21 ( to solve this you also just simplify it)

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Lostsunrise [7]
101.25+81.25=182.5 is the answer of how much the cost.
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If the area A of a triangle is 72, and the height h is equal to the length of the base b, what is the length of the base?
alexgriva [62]

Answer:

option B

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Reflection Over Parallel Lines Please complete the attached reflection. Thanks!
Allushta [10]

Answer: A(3, -5)

B(6, -2)

C(9, -2)

Step-by-step explanation:

If we have a point (x, y), and we do a reflection over the axis y = a, then the only thing that will change in our point is the value of x.

Now, the distance between x and a must remain constant before and after the reflection.

so if x - a = d

then the new position of the point will be:

(a - d, y) = (2a - x, y).

I will use that relationship for the 3 points

A)

We start with the point (1, -5)

The reflection over y = -1 leaves.

The distance between 1 and -1 is = 1 - (-1) = 2.

Then the new point is (-1 - 2, -5) = (-3, -5)

Now we do a reflection over y = 1, so D = -3 - 1 = -2

Then the new point is:

A = (1 -(-2), -5) = (3, -5)

B) (2, -2)

Reflection over y = -1.

distance, d = 2 - (-1) = 3

the point is (-1 - 3, -2) = (-4, -2)

Now, a reflection over y = 1.

The distance is D = -4 - 1 = -5

The new point is (1 - (-5), 2) = (6, -2)

C) (5, -2)

reflection over y = -1

Distance: D = 5 - ( - 1) = 6

New point: (-1 - 6, -2) = (-7, -2)

Reflection over y = 1.

Distance D = -7 - 1 = -8

New point ( 1 - (-8), -2) = (9, -2)

4 0
3 years ago
Two sides of a triangle measure 20 cm and 30cm. What is the third side?
Naily [24]
Hi there!

It depends on what angles there are, and how many degrees are in each angle. In order to figure this problem out, you need to know at least one angle ;)

Hope this helps!
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BartSMP [9]

Given:

The base fee is, <em>b</em> = $14.75.

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The objective is to find the total rental cost for 40 miles,

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