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Mariana [72]
2 years ago
5

If I get 27 questions correct and the percent is 90 how many questions are there?

Mathematics
1 answer:
Mamont248 [21]2 years ago
6 0
27 is 90% of 30. Hope that helps.
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4(х +Зу) = 2(3х-y)<br> Solve for x
Fittoniya [83]

Answer:

7y

Step-by-step explanation:

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4x+12y=6x-2y

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PLEASE CAN SOMEONE HELP????!!!!
bija089 [108]
For this you would take the yellow circle and count the spot in a directions (6) and for blue you would do the same (2) so scale factor is 3
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2 years ago
A square is cut into two congruent triangles by drawing the diagonal between two corners. If the area of each triangle is 162 cm
Pavel [41]
Ok so area=162
since the triangles sides were cut out of a square, base=height
area=1/2bh=162
b=h
area=1/2b^2=162
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see diagram

another way, is total aera of square=areas of  both triangles=162+162=324
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324=side^2
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2 years ago
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Answer:

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1 in = 2.5 cm

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x = 6.25 * 2.5

x = 15.625 cm

7 0
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