MATHEMATICS HIGH SCHOOL

Which of these is the algebraic expression for "4 times the sum of 2 and y?"4 ⋅ 2 + y
4(2 + y)
2 + 4 ⋅ y
2(4 + y)

Answers

Answer 1
Answer:

Answer:

4(2 + y)

Step-by-step explanation:

"4 times the sum of 2 and y".

Hope it is helpful...
Answer 2
Answer:

Answer:

The answer is 4(2+y)

Explanation: No 1 is 4 times two and add 1

No 3 is 2 plus 4 and multiply y

No 4 is 2 times 4 and adds 2 y

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I HAVE 5 MATH QUESTIONS AND I NEED HELP ASAP. ONLY COMMENT IF YOU'RE GONNA HELP ME PLEASE. THANKS! QUESTIONS ARE PASTED BELOW.

Answers

1. (2,3)
2. (-1,-1)
3. infinitely many
4. coincident
5. consistent independent, coincident, inconsistent (in that order)

What is the circumference AND area or circle C?

Answers

Answer:

56.55in

254.47in^(2)

Step-by-step explanation:

C=\pi d

C=18\pi

C=56.54866776

A=\pi r^(2)

A=\pi(9)^(2)

A=81\pi

A=254.4690049

A number that is placed before the variable is called the constant. a) true b) false

Answers

Answer:

Step-by-step explanation:

a) True

2.Write a ratio comparing the total pairs of socks in the drawer to the pairs of white socks in the drawer. Make sure it is in simplest form and that you write it in all 3 forms. * *A sock of drawers contains 21 pairs of socks: 8 pairs are blue, 3 pairs are yellow and 10 pairs are white.

Answers

so ratio is there are 10 pairs of white socks and 21 pairs of socks total so the answer is
21:10
 You want the ratio of  (total pairs)  to  (white pairs) .

According to the data you gave in the question,
the ratio could be written as . . .

       21 : 10
or
       21 / 10
or
        2 and 1/10
or
        2.1    .

 

Which is the intersection of the sets {1, 4, 8, 9} and {2, 4, 7, 9, 11}?{4, 9}

{1, 2, 7, 8, 11}

null set

{1, 2, 4, 7, 8, 9, 11}

Answers

7 
Here is a tip: 
so you have  {1 2 4 7 8 9 11} Take your fingers on each end and cover each number till you get you the middle. 

How much is 19.5% of 600?

Answers

19.5% of 600 is 117.            
19.5% = 0.195

0.195 * 600 = 117
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