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2 years ago

10

Ella S, Lily, Aziza, and Kevin earned a total of $100 shoveling snow. Each of them earned the same amount. How much did each of

them earn? I will give 13 points

1 answer:

Lesechka [4]2 years ago

3 0

Answer:

$50 :)

Step-by-step explanation:

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Two hikers, Charles and Maria, begin at the same location and travel in perpendicular directions. Charles travels due north at a

attashe74 [19]

Answer:

d(L)/dt = 9,43 miles per hour

Step-by-step explanation:

As Charles and Maria travel in perpendicular directions, these directions could be considered as two legs ( x and y ) of a right triangle and distance (L) between them as the hypotenuse, therefore, according to Pythagoras theorem

L² = x² + y²

And as all ( L , x , and y ) are function of time, we apply differentiation in both sides of the equation to get

2* L d(L)/dt = 2*x*d(x)/dt + 2*y*d(y)/dt (1)

In equation (1) we know:

d(x)/dt = 8 miles/per hour ( Maria )

d(y)/dt = 5 miles /per hour (Charles)

In 3 hours time Maria has travel 3*8 = 24 miles

And Charles 5*3 = 15 miles

Then at that time L is equal to

L = √ 24² + 15² ⇒ L = √ 576 + 225 ⇒ L = √801 ⇒ L =28,30 miles

Then plugging these values in equation (1)

2* L d(L)/dt = 2*x*d(x)/dt + 2*y*d(y)/dt

2* 28.30 * d(L)/dt = 2*24*8 + 2* 15*5

56.6 *d(L)/dt = 384 + 150

d(L)/dt = 534/56,6

d(L)/dt = 9,43 miles per hour

4 0

2 years ago

When shopping for a baby doll for her daughter, Ms. Martin found that the price of six baby dolls was less than $118. Which of t

Mandarinka [93]

I hope this helps you

6.b <118$

5 0

3 years ago

What is 3a^9r^-3/-4a-2

Lana71 [14]

Answer:

_ <u>3a^8-8r^3</u>

4r^3

Step-by-step explanation:

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2 years ago

Complete the TABLE of values for x+y=6.

kvasek [131]

Answer:

X Y

-2 8

-1 7

0 6

1 5

2 4

3 3

Step-by-step explanation:

We have the equation: x+y=6

We want to get this in the form: y=mx+b (or in this case y=x+b)

To do this we need y to be positive and by itself

So we subtract y from both sides and divide by -1 (we divide by -1 because otherwise y would be negative and that does not fit our template of y=x+b)

Doing this we have

-x+6=y

From here we just plug in numbers -2 to 3 which I will assume you know how to do

X Y

-2 8

-1 7

0 6

1 5

2 4

3 3

6 0

2 years ago

Who ever gets this right will get a brainlest

zepelin [54]

Answer:

<1 and <2

<3 and <2

<1 and <4

Step-by-step explanation:

Adjacent angles are angles that are next to each other. In essence, they would share one aside in common. In this problem, the answers are the following,

<1 and <2

<3 and <2

<1 and <4

5 0

2 years ago

Read 2 more answers