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Anna71 [15]
3 years ago
6

suppose you have a job teaching swimming lessons and get paid $9 an hour. you also have a job as a cashier and get paid $7/hr. I

f you cannot work more than 20 hours a week, what are the number of hours you can work ar each job and still make at least $160?​

Mathematics
1 answer:
Maslowich3 years ago
5 0

Answer:

B

Step-by-step explanation:

In A, it says that 9s +7c can be lower or equal to 160. This is wrong.

In C, it says that 9s +7c can only be higher than 160, when the question says at least, which means it can also be equal to 160, making it wrong.

In D, it says that 9s +7c can be lower or equal to 20. This is wrong.

Through elimination, only B can be right.

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Penelope opened a savings account with $1700 that pays no interest. She deposits an additional $140 each week thereafter. How mu
algol [13]

Answer:

6040

Step-by-step explanation:

140x31=4340

Add 1700

=6040

3 0
2 years ago
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Select the correct answer.
scoray [572]

Answer:

D). Y = 4x -6

Step-by-step explanation:

Let's get the gradient of line MN

Gradient= (y2-y1)/(x2-x1)

Gradient=( 6-3)/(-7-5)

Gradient= 3/-12

Gradient= -1/4

For a line to be perpendicular to line MN , it gradient multiplied with line MN gradient will be equal to -1

MM'= -1

M = gradient of line MN

M' = gradient of the unknown line

MM'= -1

-1/4M'= -1

M' =( -1*4)/-1

M' = 4

So the line will have a gradient of 4

That is, the equation well be in the form of

Y= 4x +c

Where c can be a positive or negative intercept or constant.

The correct option is

D). Y = 4x -6

4 0
3 years ago
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Nutka1998 [239]

Answer: C. 2 x 2 x 2 x 2 x 5

Step-by-step explanation: if you multiply all of those numbers you get 80

7 0
3 years ago
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PLEASE HELP FAST ILL MARK YOU BRAINLYEST
Alborosie

Answer:

look at explanation (I go down the first column of scenarios and then move on to the right column)

Step-by-step explanation:

1) The first one will be same as original because the decrease and increase are the same, and happen right after each other so you get the same amount

2) Second one you get greater than original. You're doubling the initial value, and then decreasing by a smaller percentage, so you still get greater than your initial value

3) Third you get greater than original. You're adding 50% of the initial value, and decreasing by 33.5% of the new value, which will still give you more than the original

4) Fourth, you get greater than original. You're adding 60% of the initial value, and then decreasing by 40% of the new value, which will still give you greater than the initial value

5) Fifth you get less than the original. You're decreasing by 75%, and then adding 50% of the new value, which still gives you less than the initial value

4 0
2 years ago
Mark all statements that are true . help !
sweet-ann [11.9K]

Answer:

C D E

Step-by-step explanation:

They are the options that are clear enough

8 0
2 years ago
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