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natulia [17]
3 years ago
15

Which is another way to write the expression 23 • (p + 7)?

Mathematics
1 answer:
wlad13 [49]3 years ago
8 0
C. 

The other choices do not leave you with 23p +7(23)
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What is the answer 3x+4-5y+6x? I got 9x+4-5y
xxTIMURxx [149]

That answer is correct, 9x + 4 -5y. Only like terms are the x terms and we add 3 and 6 together.

7 0
3 years ago
If the ratio of purple marbles to orange marbles is 3 to 8, how many orange marbles will I have if I have 48 purple marbles?
sveticcg [70]

Answer:

You will have 128 orange marbles

Step-by-step explanation:

Set this up as an equation

Variable x = number of orange marbles

3/8 = 48/x

Cross multiply

3 × x = 8 × 48

3x = 384

Divide both sides by 3 to isolate the variable

3x ÷ 3 = 384 ÷ 3

1x = 128

x = 128

128 orange marbles

Check work:

Substitute the variable x for the answer

3/8 = 48/128

Cross multiply

3 × 128 = 8 × 48

384 = 384

If the numbers equal, the answer is correct

6 0
3 years ago
Read 2 more answers
Linear equations: w-3=15
motikmotik

Answer:

w = 18

Step-by-step explanation:

w-3=15

Add 3 to each side

w-3+3=15+3

w = 18

6 0
3 years ago
Read 2 more answers
18. What is the least common denominator of the following<br> fractions? 3/10 and 1/4
Len [333]

Answer:

20

The denominators of 3 /10  and  1 /4  are 10  and  4.

The factors of  10  are  2 × 5  and  2 × 2

Therfore the LCD should have two 2's and one 5.

This means the answer is:

2 × 2 × 5 = <u>20</u>

I hope this helps :)

7 0
3 years ago
Where were the two cars in relation to each other when they began traveling?
Elza [17]

Answer:

The answer is A.

Step-by-step explanation:

As can be seen in the graph, car B starts at the "20" mark on the vertical axis, signifying that it starts 20 miles east of car A.

Hope this helped!

3 0
3 years ago
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