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lord [1]
3 years ago
5

Solve for x answer must be simplified -30< x/-4

Mathematics
2 answers:
Valentin [98]3 years ago
6 0

Answer:

x<120

Step-by-step explanation:

The X-120 Fury is the ultimate human air superiority aircraft. It is capable of single-handedly destroying any detected UFO. However it will not leave behind any wreckage to recover, and the Fury is extremely expensive to obtain, severely limiting its usage.

Brums [2.3K]3 years ago
5 0

Answer:

x < 120

Step-by-step explanation:

Step 1: Multiply both sides by -4.

  • -30 * -4 < \frac{x}{-4} * -4
  • 120 > x
  • x < 120

Therefore, x < 120.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

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Can anyone give a step-by-step guide on how to answer these types of questions? I'm really struggling with similar shapes so tha
Dafna11 [192]

Answer:

a) 8cm

b) 19.8cm

Step-by-step explanation:

The key to these types of questions is to keep proportions in mind.

To solve the first question, you want to find the proportion of the smaller triangle to the bigger triangle. The length of AE is 6cm, but the length of AD is (6+4) = 10cm. So the proportion of the bigger triangle to the smaller triangle is 10/6. So to find the lengths of the sides of the bigger triangle, we want to keep this number in mind.

The BE side is parallel to CD, so we have to use length of BE multiplied by the proportion in order to get the length of CD.

CD = 4.8 * (10/6) = 8

CD = 8cm

For the second question, you use the same concept to find all the other side lengths. The only one you need left for the shape EBCD is side BC. Do the same thing you did before, take the length of the side of the smaller triangle that corresponds with side AC on the bigger triangle. In this case, it's AB, which is 4.5cm. Multiply this by 10/6 to get AC.

AC = 4.5 * (10/6) = 7.5

AC = 7.5

But we're not done. We just found the length of AC, but we need the length of BC to calculate the perimeter. To do this, we want to take the length of AC - the length of AB.

7.5 - 4.5 = 3

So the length of BC is 3cm. Now, to find the perimeter, just add all the sides of EBCD together.

4.8 + 4 + 8 + 3 = 19.8cm.

Hope this helps.

8 0
2 years ago
Read 2 more answers
Where does the money come from that is used to pay taxes?
Sladkaya [172]

Answer:

It comes from you :)

7 0
3 years ago
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The dimension of a mural pointed on the wall of a school is 10 ft by 22 ft. the art club wants to paint a new mural that is x fe
Westkost [7]

Answer:

  • 18 ft and 30 ft

Step-by-step explanation:

<u>The new dimensions will be:</u>

  • 10 + x and 22 + x

The area is 540

<u>Using area equation we get:</u>

  • (10 + x)(22 + x) = 540
  • x² + 32x + 220 = 540
  • x² + 32x = 320
  • x² + 2x*16 + 256 = 320 + 256
  • (x + 16)² = 576
  • x + 16 = √576  (Ignoring the negative root as the length is never negative)
  • x + 16 = 24
  • x = 8

<u>The new dimensions are:</u>

  • 10 + 8 = 18 ft and
  • 22 + 8 = 30 ft
6 0
2 years ago
The price of Phillips favorite candy has been reduced by 15 cent per piece. Philips buys 14 pieces and spend $3.22 what is the r
Tamiku [17]
Well, if we divide 3.22 by 14 we get 0.23
0.23 +0.15 is 0.38
the answer would be $0.38
8 0
3 years ago
What is the slope of a line that includes the points (-5, 1) and (-2, 3).
UkoKoshka [18]

Answer:

A

Step-by-step explanation:

Work with the two points

Formula

m = (y2 - y1)/(x2 - x1)

Givens

y2 = 3

y1 = 1

x2 = - 2

x1 = - 5

Solution

m = (3 - 1) / (-2 - - 5)

m = 2 / (-2 + 5)

m = 2 / 3

Answer: A

8 0
3 years ago
Read 2 more answers
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