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Vedmedyk [2.9K]
4 years ago
8

15 points !♡♡♡ please help ♡♡♡​

Mathematics
1 answer:
Liula [17]4 years ago
5 0

Answer:

the answer is 46० and 44० respectively . look at this image please

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Using factoring, which values are the solutions to the quadratic equation 2m2+7m−30=0?
Luden [163]

Answer:

B: m = -6 or m = 5/2

Explanation:

\rightarrow \sf 2m^2 +7m - 30 = 0

<u>breakdown</u>

\rightarrow \sf 2m^2 +12m -5m- 30 = 0

<u>take out common factor</u>

\rightarrow \sf 2m(m +6) -5(m+ 6) = 0

<u>collect into groups</u>

\rightarrow \sf (2m -5)(m+ 6) = 0

<u>set to zero</u>

\rightarrow \sf 2m -5=0, \ m+ 6 = 0

<u>change sides</u>

\rightarrow \sf m=2.5, \ m= -6

8 0
2 years ago
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Point Q is the centroid of △ABC. QF = _____<br><br> A. 10<br> B. 5<br> C. 15<br> D. 9
Keith_Richards [23]

Answer: QF = 5

Step-by-step explanation:

We know that if a triangle has a centroid, the ratio of the longer segment to shorter segment is 2:1. We can set up a proportion \frac{2}{1} = \frac{10}{x}, where x is the length of QF. By cross multiplying and dividing, you get x = 5 or QF = 5.

6 0
3 years ago
Are they inverses or not inverses of eachother?
Maurinko [17]

Answer:

They are not inverse

Step-by-step explanation:

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4 years ago
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3(x + 1) + 12<br> 3 I DONT KNOW​
IgorC [24]

Answer:

3x+15

Step-by-step explanation:

3(x+1)+12=3x+15

3x+3+12

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4 years ago
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LEVEL-2
AnnyKZ [126]

Answer:

5)103579

6)30000

7)63,70

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