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LiRa [457]
3 years ago
8

Which expressions are equivalent to 2 (three-fourths x + 7) minus 3 (one-half x minus 5)? Check all that apply.

Mathematics
2 answers:
SOVA2 [1]3 years ago
8 0

Answer:

29

Step-by-step explanation:

2 [(3/4)x + 7] - 3 [(1/2)x -5)]

2(3/4)x + 2(7) - [ 3(1/2)x - 3(5)]

3/2x + 14 - [ 3/2x - 15 ]

3/2x + 14 - 3/2x + 15

3/2x - 3/2x + 14 + 15

= 29

lorasvet [3.4K]3 years ago
3 0

Answer:

one two and three

Step-by-step explanation:

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GalinKa [24]

the answer is c:)

have a great rest of your night:D

8 0
3 years ago
Read 2 more answers
What is the number of boys in a class if they are 3/5 and girls are 24
KiRa [710]
18
Because its taking particularly girl from 24
4 0
4 years ago
What is 14-2/9-2/5=​
Alenkasestr [34]

Answer:

The answer is 602/45

Step-by-step explanation:

Since this involves subtracting fraction, we must make sure each denominator  is alike, which involves find the LCD (least common denominator).

9, 5, and 1 (the number 14's denominator is 1) all have the LCD 45 in common.

Multiply 9 by 5, which multiplies 2 with 5, giving 10.

Multiply 5 by 9, which multiplies 2 by 9, giving 18.

Multiply 1 by 45, which multiplies 14 by 45, giving 630.

Now, you have an equation that looks like this:

(630/45) - (10/45) - (18/45)

Subtract 10 from 630, which gives 620, then subtract 18 from 620, giving 602.

Final answer: 602/45

5 0
3 years ago
Three times the sum of a number and 3 is -18 (equation )
NARA [144]
So 3 times x+3 is -18 so

3(x+3)=-18
so distribute
3x-9=-18
add 9 to both sides
3x=-27
divide both sides by 3
x=-9
8 0
3 years ago
A red die is tossed and then a green die is tossed. What is the probability that the red die shows a number larger than three or
lianna [129]

Answer:

Red: 67%

Green: 33%

Step-by-step explanation:

Since each die has 6 sides, there is a 1/6 chance for every number.

Probability for a number higher than 3 would be 4/6, which is about 67%.

Probability for below 3 would be 2/6, which is about 33%.


I am not 100% sure, but I hope this helps you.

6 0
4 years ago
Read 2 more answers
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