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marissa [1.9K]
3 years ago
8

Fill in the blank distributive property

Mathematics
1 answer:
Sav [38]3 years ago
3 0
4(20+1)=4(20)+4(1)=80+4=84

It's still just easier to add first though.
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Miranda wants to go to her school's Prom night.A ticket costs $110. She has $50 saved, however, to earn the rest she is going to
Alex73 [517]

Answer:

110=50+7(x)

Step-by-step explanation:

6 0
3 years ago
-90 is greater than or equal to -5(k-3)
prohojiy [21]

Answer:

Step-by-step explanation:

equal

8 0
2 years ago
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Complete the table with the number of sit-ups you have to do sunday so that the mean number of sit-ups per day is 100
marissa [1.9K]

The mean is the average of the numbers.

It is easy to calculate: add up all the numbers, then divide by how many numbers there are.

Let the number of sit-ups you have to do Sunday be x. Then the sum of all sit-ups is

100+65+120+150+90+0+x=525+x.

The number of days is 7.

Thus, the mean is

\text{mean}=\dfrac{525+x}{7}.

You know that the mean number of sit-ups per day is 100, equate these two means and solve the equation:

\dfrac{525+x}{7}=100,\\ \\525+x=700,\\ \\x=700-525,\\ \\x=175.

Answer: 175 sit-ups

5 0
3 years ago
2.50c+6a=6344.50 <br> Find each variable
Ksju [112]

Answer:

c=2.4a+2537.8

a=-2.5/6c+1057.4

Step-by-step explanation:

solve for c:

2.50c+6a=6344.50

          -6a         -6a

2.50c=-6a+6344.50

/2.50       /2.50      /2.50

c=2.4a+2537.8

solve for a:

2.50c+6a=6344.50

-2.5c                -2.5c

6a=-2.5c+6344.50

/6       /6       /6

a=-2.5/6c+1057.4

6 0
3 years ago
Is 4/7 24/35 perform<br> a ratio
uysha [10]
No. If  4x= 24 then x=6. 7 multiplied by 6 equals 42, not 35 so this is not a ratio.
5 0
3 years ago
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