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3 years ago

What is the average speed if Time = 3 Distance = 90

Mathematics

1 answer:

Natasha2012 [34]3 years ago

6 0

Speed= distance divided by time. The answer is 30, and im assuming miles per hour. Hope this helps

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Janine worked 15 hours last week. One job as a clerk in a sporting goods store paid her $8.47 per hour, while her job giving p

lorasvet [3.4K]

Answer:

she worked 9 hours at sporting goods store and 6 hours on piano lessons.

Step-by-step explanation:

total hours=15

8.47x + 17(15-x) = 178.23

8.47x + 225 - 17x = 178.23

225 - 178.23 = 17x - 8.47x

76.77 = 8.53x

x = 76.77 / 8.53

x = 9

therefore she worked 9 hours at sporting goods centre and the remaining hours (15-9) giving piano lessons.

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3 years ago

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3 years ago

Find the area: (I will give brainliest) +50 points.

scZoUnD [109]

Answer:

$A_{total} = 16\ cm^2$

Step-by-step explanation:

Step 1: Determine the area of the top rectangle

We can tell that the total shape seems like two rectangles glued together. We can separate the top rectangle and determine the area of it and then determine the area of the bottom rectangle and combine them. Lets first solve the left rectangle.

$A=l*w$

$A_{top\ rectangle}=6\ cm * 2\ cm$

$A_{top\ rectangle}=12\ cm^2$

Step 2: Determine the area of the bottom rectangle

$A=l*w$

$A_{bottom\ rectangle}=2\ cm * 2\ cm$

$A_{bottom\ rectangle}=4\ cm^2$

Step 3: Determine the total area

$A_{total}=A_{top\ rectangle}+A_{bottom\ rectangle}$

$A_{total}=12\ cm^2+4\ cm^2$

$A_{total} = 16\ cm^2$

Answer: $A_{total} = 16\ cm^2$

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2 years ago

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serious [3.7K]

Answer:

Step-by-step explanation:

If you put it in Desmos, you can see that the first one is a linear function.

It moves 5 to the right and move down 2 steps

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3 years ago

Could anyone help me with this easy math ?

Charra [1.4K]

Answer:

alternate angle, opposite angles are the same, 3x-3 = 147

x = 144/3 , x =48

Step-by-step explanation:

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3 years ago

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