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lana [24]
3 years ago
7

if your dad gives you $6.00 for washing your hands for the six seconds you wash your hands how much money will you get in a day

Mathematics
2 answers:
Lorico [155]3 years ago
5 0
It depends on the amount of times in a day you wash your hands. If you wash four times a day, you will recieve a whopping $24.00. Wow. I wish I got money for keeping proper hygiene...
Colt1911 [192]3 years ago
3 0
Is that the whole problem

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What is 20.9/9.31?<br> No need to explain. Just need the answer
Furkat [3]
2.24489795918
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3 0
3 years ago
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Help I’ve been stuck on these questions
Svetach [21]

Answer:

3+4x

7-12

2x+14=18

four times a number

four times a number is added to seven

Step-by-step explanation:

6 0
2 years ago
Which problem can be represented by the equation 100x+50=710?
andrew-mc [135]

Answer: The first answer

A coin bank can hold 710 coins. There are 50 coins in the bank. A student puts in 100 coins per week. How many weeks until the bank is full?

Step-by-step explanation:

7 0
3 years ago
What is the expression- Add seven to a number, then multiply the quantity by eight?
vfiekz [6]

Answer:

x + 7 = y // y x 8

Step-by-step explanation:

x = ?

y + ?

x and y are the variables, since we don't know what the values are

Hope this helps!!

6 0
2 years ago
Solve the following equations express your answers as order pair in format a,b 2x+7y=-1 and 4x-3y=-19
Ksivusya [100]

Answer:

(x , y) = ( -4 , 1)

Step-by-step explanation:

2x + 7y = -1 --------eqn 1

4x - 3y = -19 ----------eqn 2

Step 1: let's pick eqn 1, to make y the subject of the formula

2x + 7y = -1

7y = -1 - 2x

Divide both sides by 7, to make y the subject of the formula

7y/7 = (-1 - 2x)/7

y = (-1 - 2x) / 7

Step 2: substitute y into the equation 2

4x - 3y = -19

4x - 3(-1 - 2x)/7 = -19

Open the bracket

-3 * -1 = +3

-3 * -2x = +6x

4x +( 3 + 6x)/7 = -19

LCM = 7

(28x + 3 + 6x)/7 = -19

(34x + 3)/7 = -19

Cross multiply

34x + 3 = 7 * -19

34x + 3 = -133

34x = -133 - 3

34x = -136

Divide both sides by 34,to get the value of x

34x/34 = -136/34

x = -4

Step 3: substitute x = -4 into eqn 1

2x + 7y = -1

2(-4) + 7y = -1

-8 + 7y = -1

7y = -1 + 8

7y = 7

Divide both sides by 7, to the value of y

7y/7 = 7/7

y = 1

(x , y) = ( -4 , 1)

3 0
3 years ago
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