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Lesechka [4]
3 years ago
14

Can you help me with 1 or any one thank you so much

Mathematics
1 answer:
enyata [817]3 years ago
5 0
The answer to #1 is C. The answer to #2 is 9 checks. Hope that helps! :)
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Which statement accurately describes how to perform a 90° counterclockwise rotation of point A (−1, −2) around the origin? Creat
Anastaziya [24]

Answer:

last one

Step-by-step explanation:

You are swinging A(-1,-2) around the center which in this case is the origin. Keep in mind that points on a circle all have a equal distance from the origin.  We don't want the distance from the center to change.

We want the center of that circle to be the origin.

So the answer is the last one:

"Create a circle with the origin as its center and a radius of the origin and point A, then locate a point on the circle that is 90° counterclockwise from point A. ​"

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Help !!!
ivann1987 [24]
7.5 gallons. (5x60)/40 5x60 being the equation to find the total miles driven
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3 years ago
•) Evaluate (8 + t)3 – 6 when t = 2.<br> • The value of the expression is
shusha [124]

Answer:the Answer is 994

Step-by-step explanation:

First add 8+2 which gives you 10 and then use the exponent to get 1000. Then subtract 6 which gives you 994. This is tested and i just did this iready

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3 years ago
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7 over 20 as a percentage
Aneli [31]

Answer:7.05

Step-by-step explanation:

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What is the perimeter of the rectangle shown on the coordinate plane, to the nearest tenth of a unit?
Pavel [41]

see the attached figure to better understand the problem

Let

x------> the length side of a rectangle

y-------> the width side of a rectangle

we know that

the perimeter of a rectangle is equal to the formula

P=2x+2y

In this problem

AB=DC=x\\AD=BC=y

Step 1

<u>Find the distance AB</u>

A(-6,4)\\B(4,2)

we know that

the distance's formula between two points is equal to

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

substitute the values

dAB=\sqrt{(2-4)^{2} +(4+6)^{2}}

dAB=\sqrt{(-2)^{2} +(10)^{2}}

dAB=\sqrt{104}\ units=10.2\ units

Step 2

<u>Find the distance BC</u>

B(4,2)\\C(3,-3)

we know that

the distance's formula between two points is equal to

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

substitute the values

dBC=\sqrt{(-3-2)^{2} +(3-4)^{2}}

dBC=\sqrt{(-5)^{2} +(-1)^{2}}

dBC=\sqrt{26}\ units=5.1\ units

Step 3

<u>Find the perimeter</u>

we know that

the perimeter of a rectangle is equal to the formula

P=2x+2y

P=2AB+2BC

substitute the values of the distance in the formula

P=2*10.2+2*5.1=30.6\ units

therefore

<u>the answer is</u>

The perimeter of the rectangle is equal to 30.6\ units

3 0
3 years ago
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