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2 years ago

Help!Help!Help!Help!Help!Help!Help!Help!Help!

Mathematics

2 answers:

vova2212 [387]2 years ago

8 0

Answer:

Step-by-step explanation:

fgiga [73]2 years ago

7 0

Answer:

Step-by-step explanation:

60% of 30 students is 18 girls

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25% of 56. <br> We are practicing finding the percent of each number

Karo-lina-s [1.5K]

25% is 1/4. Do 56 divided by 4, you get 14

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2 years ago

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Assignment Instructions

Agata [3.3K]

Answer:

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Step-by-step explanation:

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2 years ago

Translate to an algebraic expression:<br><br> 12 less than the square of a number

Aleksandr [31]

Answer:

12-x²

Step-by-step explanation:

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2 years ago

B) Select all expressions that can be used to find 85% of 280.

abruzzese [7]

Answer:

238

85%of 280 is 238

Step-by-step explanation:

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2 years ago

Plot the points in the coordinate plane. Then find the perimeter and area of the polygon.

anyanavicka [17]

Answer:

The answer to your question is below

Step-by-step explanation:

See the graph below

Process

1.- Find the distance from A to B, B to C, C to D, A to D

Formula

d = $\sqrt{(x2 - x1)^{2} + (y2 - y1)^{2}}$

d AB = $\sqrt{(1 + 3)^{2} + (6 - 5)^{2}} = \sqrt{17}$

dBC = $\sqrt{(-2 -6)^{2} + (3 - 1)^{2}} = \sqrt{68}$

dCD = $\sqrt{(-1 - 3)^{2} + (-3 +2)^{2}} = \sqrt{17}$

dAD = $\sqrt{(-1 + 3)^{2} + (-3 - 5)^{2}} = \sqrt{68}$

2.- Find the perimeter

Perimeter = 2 $\sqrt{17} + 2\sqrt{68}$ = $6\sqrt{17}$ u

3.- Find the area

Area = $\sqrt{17} x \sqrt{68}$

Area = $\sqrt{17x68} = \sqrt{1156} = 34 u^{2}$

7 0

3 years ago