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Jobisdone [24]
3 years ago
13

14. Simplify the expression. 3(15-3)^2- 4 108 18 36 9​

Mathematics
1 answer:
nirvana33 [79]3 years ago
6 0

Answer: 84 Answer

Step-by-step explanation:

3[12.2+4]

3[24+4]

3.28

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What about this one
kirill [66]

Answer:

3/20

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is w in w=5+9v=1 ANWER FAST!
dsp73
W=0.9

So w = 0.9 and v = -4
7 0
3 years ago
In each part (a)-(d) below, some additional assumptions about the
Viktor [21]

In the triangle, the fact that wee are given 2AX = 3XD isn't enough to prove similarity.

<h3>How to explain the triangle?</h3>

a. In the question, we are given 2AX = 3XD. An arbitrary triangle AXB can be drawn where one extends AX and choose a point D on the extended line in order for 2AX = 3XD. Also, extend BX and choose a point C on the line so that 2BX = XC. Even though they both satisfy the condition, they're not similar.

b. We are given that AX/BX = DX/CX. When this is rearranged, we'll have AX/DX = BX/CX. In this case, let AX/DX = k. DX and AX will align upon rotation of 180°. The triangle can then be dilated by a factor of k. This brings about the mapping of triangle DXC to AXB. Therefore, the original triangle DXC is similar to AXB.

c. Lines AB and CD are parallel. Here, the dilation moves line CD onto line AB. Here, since the dilation moves D to a point on ray XA, D must move to A. Therefore, the rotation of triangle DXC is similar to AXB. Therefore, DXC is similar to AXB.

d. Here, angle XAB is congruent to angle XCD. This shows similarity and in this case, XCD is similar to XAB.

Learn more about triangles on:

brainly.com/question/28021872

#SPJ1

4 0
2 years ago
Alan, david and shari are running for president of their high school. There were a total of 1,000 votes cast for president. Davi
vekshin1

Answer:

Alan received 350 votes

Step-by-step explanation:

David received 250 votes

Shari received  400 votes

1,000 - 250=750

750 - 400 = 350

7 0
3 years ago
I need the number 7 please
antiseptic1488 [7]

Answer:

The answer would be 3*5*50 which equals 750 kilometers.

Step-by-step explanation:

6 0
4 years ago
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