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julsineya [31]
2 years ago
7

PLEASE HELP ASAP, WILL MARK BRAINLIEST

Mathematics
1 answer:
Dahasolnce [82]2 years ago
4 0

Answer:

number  1. C^2 if C>0    number 2. Q^-5 if Q<0.      number 3. G^3 if G>0.

number 4. P^-3 if P<0

Step-by-step explanation:

hope this helps .-.

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After triangle ACE is dilated by a factor of 6, it has an area of 180 square inches. What was its area before dilation?
Agata [3.3K]

Answer:

The area of triangle ACE before dilation is:  30 square inches

Step-by-step explanation:

We know that when an object is dilated by a scale factor, it gets reduced, stretched, or remains the same, depending upon the value of the scale factor.

  • If the scale factor > 1, the image is enlarged
  • If the scale factor is between 0 and 1, it gets shrunk
  • If the scale factor = 1, the object and the image are congruent

The length of the image can be determined by multiplying the length of the original point by a certain scale factor.

Given that after triangle ACE is dilated by a factor of 6, it has an area of 180 square inches.

Thus, it means the dilated area is 6 times the area before dilation.

Let x be the pre-dilation area

As the dilated area is 6 times the area before dilation, so

6x = 180

divide both sides by 6

6x/6 = 180/6

x = 30 square inches.

Therefore, the area of triangle ACE before dilation is:  30 square inches

4 0
3 years ago
X + y = 6<br> 2x + y = 4<br> Solve the system of equations.
Debora [2.8K]
(X,Y) = (-2,8) this the answer
8 0
3 years ago
Read 2 more answers
7th grade math help me pleasee :))
77julia77 [94]

Answer:

step 1 communative property

Step-by-step explanation:

just look it up I forget about this

5 0
2 years ago
A lighthouse has a shadow that is 36 feet long. Zara is 4 feet tall, and she is standing next to the lighthouse. Zara has a shad
pychu [463]

Answer:

48 feet

Step-by-step explanation:

At a particular time, objects and their shadows are proportionate.

Therefore, in figure,

AB/FD = BC/DE --- (1)

where AB is the height of the lighthouse, BC, its shadow and FD is the height of Zara and DE is her shadow.

From the given information,

BC = 36 feet

FD = 4 feet and DE = 3 feet

(1) becomes

AB/4 = 36/3

AB = 12

AB = 48

Hence, the height of the lighthouse is 48 feet.

7 0
3 years ago
What is the product? 2 1/3 × 3 1/4
asambeis [7]

Answer:

7.583333 / 7 7/12

Step-by-step explanation:

2 1/3 × 3 1/4

2 1/3=7/3

3 1/4= 13/4

7/3 * 13/4

=91/12

=7 7/12

4 0
3 years ago
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