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3 years ago

If there was a club for 115 minutes and it starts at 10 o'clock what time will it finish?

1 answer:

5 0

115 minutes is 1 hour and 55 minutes. 1 hour and 55 minutes after 10 o'clock is 11:55. So, the club will finish at 11:55.

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RectangleABCD has vertices at A(– 3, 1),B(– 2, – 1),C(2, 1), andD(1, 3). What is the area, in square units, of this rectangle? A

Anna [14]

Answer:

Option A. $10\ units^{2}$

Step-by-step explanation:

we know that

The area of the rectangle is equal to

A=LW

where

L is the length of rectangle

W is the width of rectangle

we have

$A(-3,1),B(-2,-1),C(2,1),D(1,3)$

Plot the vertices

see the attached figure

L=AD=BC

W=AB=DC

the formula to calculate the distance between two points is equal to

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

<em>Find the distance AD</em>

$A(-3,1),D(1,3)$

substitute in the formula

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

$AD=\sqrt{(2)^{2}+(4)^{2}}$

$AD=\sqrt{20}$

$AD=2\sqrt{5}\ units$

<em>Find the distance AB</em>

$A(-3,1),B(-2,-1)$

substitute in the formula

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

$AB=\sqrt{(-2)^{2}+(1)^{2}}$

$AB=\sqrt{5}$

$AB=\sqrt{5}\ units$

Find the area

$A=(2\sqrt{5})*(\sqrt{5})=10\ units^{2}$

4 0

3 years ago

What is the missing reason in the proof?

spayn [35]

Perpendicular bisector theorem

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If x2=4(5-1) what is the value of x

Deffense [45]

X2=4(5-1)
x2=4(4)
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Check: 4 squared (4 times 4) equals 16. When you square a number, you multiply the number by itself.

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ipn [44]

Answer: 14p +70

Step-by-step explanation:

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Would the answer be 6? or 9?

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