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lutik1710 [3]
3 years ago
12

Point M is the midpoint of segment QR. If QM = 16 + x and MR = 2(x + 2), find the length of QM.

Mathematics
1 answer:
pav-90 [236]3 years ago
6 0
Just add them
QM+MR=QR
16+x+2(x+2)=QR
16+x+2x+4=QR
20+3x=QR
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Please help!!! How do you count (-3y^2+5y) (4y+7)??
levacccp [35]

You must distribute each value like this:

(-3y^2+5y) (4y+7)\\ \\ (-12y^3-21y^2+20y^2+35y)\\ \\ (-12y^3-y^2+35y)

Hope that helps!

6 0
3 years ago
(I WILL GIVE BRAINLIEST)
LUCKY_DIMON [66]

For this case we have the following polynomial:

3x ^ 2 + 9x + 15

The standard form of the polynomial is given by:

ax ^ 2 + bx + c

Where, the axis of symmetry of the polynomial is given by the expression:

x = - \frac {b} {2a}}

In this case we have:

a = 3\\b = 9

Therefore, replacing values we have:

x = - \frac {9} {2 (3)}

Rewriting we have:

x = - \frac {9} {6}\\x = - \frac {3} {2}

Answer:

The symmetry axis of the polynomial is given by:

x = - \frac {3} {2}

option C

6 0
3 years ago
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egoroff_w [7]
0.59 and 2/3

0.59
0.66

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Answer :
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3 years ago
What is the slope of the line that contains the points -2,7 and 2,3
Maurinko [17]

Answer:

slope = -1

Step-by-step explanation:

y2-y1 divided by x2-x1

3-7= -4

2-(-2) = 4

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8 0
3 years ago
How can you identify a linear nonproportional relationship from a table, a graph, and an equation?
Zarrin [17]
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3 0
4 years ago
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