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Lapatulllka [165]
2 years ago
9

you go to store with money [m]spend 3.40 after paing you have 9.50 left write a agelbraiic exprrision to find out how much [m] y

ou started with​ ​
Mathematics
1 answer:
ankoles [38]2 years ago
6 0

Answer:

X = 9.5 + m

Step-by-step explanation:

m = money spent

x = money you had at the beginning

x = 9.5 + m

Substitute m in for 3.4

X = 9.5 + 3.4

Solve for x

X = 12.9

You started with $12.90

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The length of a rectangle is (x - 9) feet. Its width is x feet. Write an expression you could use to find the perimeter
steposvetlana [31]

Answer:

The expression for the perimeter of the rectangle is: P = 4x - 18

Step-by-step explanation:

Perimeter of a rectangle:

A rectangle has length l and width w. It's perimeter is given by:

P = 2(l + w)

In this question:

l = x - 9, w = x

So

P = 2(x - 9 + x) = 2(2x - 9) = 4x - 18

The expression for the perimeter of the rectangle is: P = 4x - 18

6 0
2 years ago
Deandre just bought 9 bags of 15 cookies each. He already had 6 cookies in a jar. How many cookies does deandre have now?
djverab [1.8K]

Answer:

141 cookies

Step-by-step explanation:

amount of cookies

= 9(15) + 6

= 135 + 6

= 141

6 0
3 years ago
Hi what is the answer for a+5d+3x
sattari [20]
Well I tried doing it but depends what your trying to do with the equation but I got
x= -a/3 - 5d/3
3 0
3 years ago
VERY URGENT NEED HELP! WILL MARK BRAINLIEST. Two numbers have a sum of 162 and a difference of 64. What are the two numbers? Put
n200080 [17]

Answer:

113, 49

Step-by-step explanation:

x + y = 162\\x - y = 64\\add\\the\\equations\\\\x + x + y - y = 162 + 64\\2x =226\\\\x = 113 \\113- y = 64\\\\y = 49

6 0
2 years ago
Uzanne can work 10 math problems in 15 minutes. How many can she work in an hour and a half?
jeyben [28]
1 and half hour
= 60 minutes+ 30 minutes
= 90 minutes

Now,

Uzanne need 15 minutes to do 10 problems
Uzanne need 1 minute to complete 10/15 problems

Uzanne need 90 minutes to do
= (10/15)*90
=(2/3)*90
=2*30
=60 problems
4 0
3 years ago
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