Who knows the answer

Answers

Answer 1

Answer:

the value of X is -13.

Step-by-step explanation:

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at a shop 4 white tshirts was $13 and 3 grey t shirts was $20 syafiq bought an equal number of white and grey tshirts he spent $833 altogether how many white tshirts did he buy

Answers

Let number of shirt bought be x
13(X/4)+20(X/3)=833
3.25X+(20/3)X=833
X=833/(20/3+3.25)
X=84

He about 84 white tshirts

The expression 7 + 3x + 4 represents the perimeter of the triangle. Simplify the expression

Answers

Answer:

3x+11

Step-by-step explanation:

A car wash charges a flat rate for the first 8 minutes of washing time and also charges a certain amount for each additional minute of washing time. Gina took 12 minutes to wash her car and it cost her a total of $5.00. Kris took 17 minutes to wash his truck at a total cost of $6.25.How much is the is the flat rate for the first 8 minutes? show equation to find answer. Plz answer this word problem.

Answers

flat rate = x

so for the first eight minutes they both have the same rate
so this is also true
Gina took 4 minutes to wash her car and it cost her a total of $5-x
Kris took 9 minutes to wash his truck and it cost him a total of $6.25-x
so for overtime 4mins=5-x, 9mins=6.25-x
4 times 9 = 36 so
36 mins = (45-9x)=(25-4x)
so 45-9x=25-4x
subtract 25 from both sides and get
20-9x= -4x
subtract add 4x to both sides
20-5x=0
factor out the five
5(4-x)=0
(4-x) must =0
4-x=0
add x to both sides
4=x
it cost $4 for flat rate

The gas tank of your car is 40% full. There are 8 gallons of gas in the tank. What is the capacity of the gas tank?

Answers

Percentage by which the gas tank of the car is full = 40%
Amount of gas in the gas tank = 8 gallons
Let us assume the capacity of the gas tank = x gallons
Then
40% * x = 8
(40/100) * x = 8
4x/10 = 8
4x = 8 * 10
4x = 80
x = 80/4
= 20 gallons
So the total capacity of the gas tank of the car is 20 gallons. I hope the procedure is clear to you.

Answer:

20 gallons

Step-by-step explanation:

40/100 = 8/x

40x=800

x=20 gallons

3z+4+5z-9
Simply the expression

Answers

You would simply combine like terms
3z+4+5z-9
3z+5z=8z
4-9=-5
Put them together to get a final answer of: 8z-5 OR -5+8x also works :)

Combine like terms to simplify.

3z + 5z = 8z

4 - 9 = -5

8z - 5

Answer: 8z - 5

To increase and amount by 17.5 which single multiplier would you use?

Answers

I suppose that the question is 17.5 %.

To increase an amount by a percentage, the multiplier is given by (100 + %)/100

Therefore, to increase an amount by 17.5%,
the single multiplier is given by (100 + 17.5)/100 = 117.5/100 = 1.175

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