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Anastasy [175]
3 years ago
8

Helppppppppppppppppppppppp​

Mathematics
1 answer:
Vikentia [17]3 years ago
6 0

Step-by-step explanation:

area of trapezoid=(a+b)×h divided by 2

=(9+19)×4 divided by2

=28×4 divided by2

=112 divided by 2

=56m square

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Which equation describes this line?
salantis [7]

Answer:

y=2x+4

Step-by-step explanation:

**Your line isn't clearly shown on point with the grid**

If you want this in the slope-intercept form then here it is:

Slope-intercept formula: y=mx+b

Your coordinates: (-3,2) and (1,10)

To find the slope (which is the "m" in the formula) you need to do this formula:

y2 - y1 / x2 - x1 =

(The 2's and 1's should be subscript)

10-2/1-(-3) = 8/4

8/4=2

The slope should be 2

Formula right now: y=2x+b

You need to find the y-intercept:

That should be a point on the y-axis.

(0,n) **N is used for a variable since we don't have a number yet.

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When writing the y-intercept in the formula don't write a coordinate write the "y"

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3 0
2 years ago
How to write 3,897.003 in expanded form
alexdok [17]
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8 0
3 years ago
How many times 700 great then 70
Mariulka [41]
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5 0
3 years ago
Read 2 more answers
Solve this please and thank you
natulia [17]

Answer:

x = 6 and DF = 3*6-3 = 15

Step-by-step explanation:

Given triangles are similar and their side lengths are proportional

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(7.5)/(3x - 3) = 1/2 cross multiply expressions

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3 years ago
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puteri [66]

Answer:

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