The temperature in Lucy's refrigerator is 2.74 degrees celious.the temperature in the freezer section of her refrigerator is -19.4 degrees celcious. How much colder is the freezer temperature

Answers

Answer 1

Answer: you have to find the difference between temperatures of refrigerator and freezer.

2.74 - (-19.4) = 2.74+19.4 = 22.14 degrees Celsius

so freezer is 22.14 degrees colder

Answer 2

Answer: 2.74 - (-19.4) = 22.14, so the freezer is 22.14°c colder. I hope that helps!

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4x + 4y + 2z = 8x - y -z = 0
4y - 2z = -15
x = 2, y = -2, z = 4; (2, -2,4)
Is (2,-2,4) a solution of the system of equations? Yes or no?

Answers

The answer is no, because the first two equations are right but the third equation equals -16 instead of -15. So the answer is no (2,-2,4) is not the solution to all the system of equations.

Enter the value of n so the expression (-y + 5.3) + (7.2y-9) is equivalent to 6.2y + n.Please explain what and how you did it. I've seen other answers for the same question, but they do not make sense.

Answers

If you would like to find the value of n, you can calculate this using the following steps:

(- y + 5.3) + (7.2 * y - 9) = - y + 5.3 + 7.2 * y - 9 = - y + 7.2 * y + 5.3 - 9 = 6.2 * y - 3.7

6.2 * y - 3.7 = 6.2 * y + n
n = - 3.7

The correct result would be - 3.7.

What expression is equivalent to 6(5+3x)

Answers

30 + 18x is equivalent to 6(5 + 3x)
This is equivalent because of the distributive property. Multiply 6 by 5 and 3x to get your answer!

katie has read 32% of a book. if she has read 80 pages, how many more pages does katie have left to read

Answers

x=total number of pages.
1)we calculate the total number of pages.
32% of x =80
(32/100)x=80
x=(80*100)/32
x=250.

2) we calculate the number of pages don´t read.
number of pages don´t read=250-80=170

Answer: 170 pages.

80/32% or 80/.32=250. 250-80=170 :)

Hungary Hank uses 7 scrambled eggs to make 4 breakfast burritos. How many breakfast burritos does he make with 21 scrambled eggs?

Answers

18 is the answer due to 4 being 3 below 7 so 18 is 3 below 21

the dry cleaning fee for 3 pairs of pants is $18. what is the constant of proportionality. How much will the dry cleaner charge for 11 pairs of pants?