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erik [133]
3 years ago
14

Use the distributive property to simplify the expression 3(y + 9).

Mathematics
1 answer:
Nataliya [291]3 years ago
6 0

Answer:

The answer would be 3y + 27

Step-by-step explanation:

Distributing the 3 to y would multiply it together making it 3y. Distributing the 3 to the 9 would be 3x9 and be 27.

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Which is the value of Y in the parallelogram below?
IrinaK [193]

Answer:

9

Step-by-step explanation:

Just like a rectangle, times one length times width

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Consider the parametric equations below.
maksim [4K]

Solve the second equation for t, then substitute it into the first equation.

y = t + 2 \implies t = y-2

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3 0
1 year ago
Randy chooses to survey every 5th student in the cafeteria. He surveys a total of 140 students and finds that 84 support buying
umka21 [38]

Answer: He can predict that 420 students will be in support of the purchase.

Step-by-step explanation:

Since Randy surveyed one student out of every 5 he came across in the cafeteria, it means that if he came across five people, he will survey one, if he came across ten students, he will survey 2 and so on.

If then he surveyed a total of 140 students, then we can actually multiply the number by 5 to know the exact number of students he possibly came across in the cafeteria:

= 140 × 5

= Total of 700 students

If 84 out of the surveyed students supported the purchase, we can find what that figure represents in the total number of students in the cafeteria:

84/140 = x/700

We cross multiply

140 × X = 84 × 700

140X = 58,800

X = 58,800/140

X = 420 students

Therefore, he can predict that 420 students out of a total of 700 students in the cafeteria will be in support of the purchase of the P.E equipment

7 0
3 years ago
Consider the sphere. A sphere. A is the radius, d is the diameter, b is the great circle, and c is the center. Identify the part
V125BC [204]
Answers: D for it represents the diameter and A for represents the radius
4 0
3 years ago
Read 2 more answers
Richard, Angad and Paul share £108 in a ratio 2:3:1. How much money does each person get?
Natasha2012 [34]

Answer:

Step-by-step explanation:

If R, A, and P all share 108 pounds in the ratio of 2 to 3 to 1, then

2x + 3x + 1x = 108 and

6x = 108 so

x = 18.

R holds the ratio of 2x, so he gets 2(18) which is 36;

A holds the ratio of 3x, so he gets 3(18) which is 54;

P holds the ratio of 1x, so he gets 1(18) which is 18.

36 + 54 + 18 better equal 108...and it does!

7 0
3 years ago
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