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Irina18 [472]
2 years ago
12

Can someone answer this please 15 points

Mathematics
1 answer:
andrew-mc [135]2 years ago
7 0
16x³ - 54
= 2(8x³ - 27)
= 2(2x - 3)(4x² + 6x + 9)  ← answer
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1. In the figure, m DE = 106 degrees and m BC = 62 degrees. The diagram is not to scale.
k0ka [10]
For question 1, the formula for that is m1= 1/2(a-b). 106 being A and 62 being B. You should get m1=.5*(106-62) which equals B.22
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2 years ago
Graph the circle x^2+y^2+2x+4y-44=0
Natasha_Volkova [10]

Answer:

See explanation

Step-by-step explanation:

First, convert this to standard form. By completing the square, you can do the following:

(x^2+2x+1)-1+(y^2+4y+4)-4-44=0

(x+1)^2+(y+2)^2=49

This is a circle with center (-1,-2), and radius 7. It looks like the one I graphed below. Hope this helps!

6 0
3 years ago
What single transformation was applied to triangle A to get triangle B? *
irakobra [83]

Answer: dilation

Step-by-step explanation:

the others are rigid transformations, the can’t change the size of the triangle.

6 0
2 years ago
Free to whoever gets it​
liraira [26]

LolAnswer:

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Mr. Nice's backyard has an area of 225 square feet. What is the length of one side of his backyard?
Fittoniya [83]
  • Answer:

<em>C. 15 feet</em>

  • Step-by-step explanation:

<em>Area formula</em>

<em>A = l²</em>

<em>225 = l²</em>

<em>l = √225</em>

<em>l = √15²</em>

<em>l = 15 feet</em>

7 0
3 years ago
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