I don't know what I did wrong. I tried it twice but it said it was wrong

Mathematics

1 answer:

Dafna1 [17]2 years ago

5 0

Answer:

I used Desmos. Heres a picture of what its supposed to look like.

Step-by-step explanation:

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What is the prime factorization of 155

xenn [34]

The factors of 155 are 1, 5, 31, and 155, thus the prime factorization should be 5 and 31.

5 0

2 years ago

The sale price of an item is $180 after a 25% discount is applied. What is the original price of the item?

Valentin [98]

So
100%=original
25% discount
100-25=75
it is 180 sale
75%=180
find 100%

a hack is to recognize that 75/3 times 4=100 so
75%=180
divide 3
25%=60
times 4
100%=240

the real way is proportions
75:180 =100:x
75/180=100/x
multiply both sides by 180x
75x=18000
divide 75
x=240

origitnal price=$240

3 0

3 years ago

Read 2 more answers

A system of inequalities is graphed below. The variable x represents the number of cans someone is buying, and y represents the

8090 [49]

We have that
We will analyze each case to verify the answer
see the attached figure

Point A) 7 cans and 140 bottles------------> (x,y)=(7,140)----> is not solution
Point B) 12 cans and 40 bottles------------> (x,y)=(12,40)----> is not solution
Point C) 8 cans and 120 bottles------------> (x,y)=(8,120)----> is a solution
Point D) 9 cans and 70 bottles------------> (x,y)=(9,70)-------> is a solution

the answer is
the solutions are
8 cans and 120 bottles
9 cans and 70 bottles