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nikitadnepr [17]
2 years ago
13

Pls answer this math question!!

Mathematics
2 answers:
Scrat [10]2 years ago
7 0

Answer:

D

Step-by-step explanation:

21/2*12 =30

notka56 [123]2 years ago
6 0

Answer:b

Step-by-step explanation:

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BRAINLY TO WHOEVER HELPS
ch4aika [34]

Answer:

9: D 10: A

Step-by-step explanation:

5 0
3 years ago
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Which of the following is equation of a line that passes through (-2,1) and (-4,-3)?​
ladessa [460]

Answer:

<h2>y = 2x + 5</h2>

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

<em>m</em><em> - slope</em>

<em>b</em><em> - y-intercept</em>

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

=======================================

We have the points (-2, 1) and (-4, -3). Substitute:

m=\dfrac{-3-1}{-4-(-2)}=\dfrac{-4}{-2}=2

y=2x+b

Put the coordinates of the point (-2, 1) to the equation:

1=2(-2)+b

1=-4+b           <em>add 4 to both sides</em>

5=b\to b=5

Finally:

y=2x+5

8 0
3 years ago
100 POINTS
exis [7]

Prism means two bases of equatorial triangle

So

Total area of bases

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Total Lateral surface area

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Which is the solution to the inequality?<br><br> 1/4+x &lt;5/8 =?
denis23 [38]
Hello ; 
<span>1/4+x <5/8
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x < 5/8 - 2/8
x < 3/8...(<span>the solution to the inequality)</span>
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Which graph represents the function y=3x^2+2
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None, you wrote a different function than the one in the picture.

The answer to the picture is the last graph 
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3 years ago
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