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3 years ago

2) A ray is a geometric figure that consist of

Mathematics

1 answer:

Leno4ka [110]3 years ago

6 0

Answer:

A single point and a line that extends forever in one direction

Step-by-step explanation:

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. Kelly works two jobs. She usually works at a retail store for 7 hours

stira [4]

Answer:

so 7x12=84 5x20=100 100+84=184 a day

Step-by-step explanation:

3 0

3 years ago

#3 is the tough one for me I get it but I don't can you help me and tell me how you got that answer as soon as possible.

Bas_tet [7]

1) 2 minutes = 2 x 60 = 120 seconds
2) 1500 meters per second x 120 seconds = 180 000 meters = 180 km

7 0

3 years ago

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What is the difference in area covered by a single 3 inch windshield wiper operating with a central angle of 138 degrees compare

Elena-2011 [213]

Answer:

38.9 square inches.

Step-by-step explanation:

We are asked to find the difference in area covered by a single 3 inch windshield wiper operating with a central angle of 138 degrees compared to a pair of 5 inch wipers operating together each having a central angle of 114 degrees.

We will use area of sector formula to solve our given problem as:

$\text{Area of sector}=\frac{\theta}{360}\times \pi r^2$ , where, r represents radius and theta represents central angle.

Let us find area of sector with central angle 140 degree and radius 3 inch.

$\text{Area of sector}=\frac{138}{360}\times \pi (3)^2$

$\text{Area of sector}=\frac{138}{360}\times 9\pi$

$\text{Area of sector}=10.83849$

Now, we will find area of sector with central angle 114 degree and radius 5 inch and multiply by 2 as:

$\text{Area of sector}=2(\frac{114}{360}\times \pi (5)^2)$

$\text{Area of sector}=2(\frac{114}{360}\times 25\pi)$

$\text{Area of sector}=\frac{114}{360}\times 50\pi$

$\text{Area of sector}=49.74188$

Let us find difference of area as shown below:

$\text{Difference of areas}=49.74188-10.83849$

$\text{Difference of areas}=38.90339$

$\text{Difference of areas}\approx 38.9$

Therefore, the difference in area covered is approximately 38.9 square inches.

8 0

3 years ago

M x 7 = 28 what is m

seropon [69]

m x 7 = 28

Solve for m by dividing both sides by 7:

m = 4

3 0

3 years ago

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Write -0.32 as a fraction in simplest form.

mariarad [96]

Answer:

-0.32

-32/100

-8/25

Step-by-step explanation:

-8/25

8 0

3 years ago

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