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3 years ago

3 + 2k Hello Please solve this I need help Thanks

Mathematics

1 answer:

ahrayia [7]3 years ago

5 0

Answer: 3+2k will be 6k or it will be k=3/2 and Pls explain what is your question about . Hope this help :)

Step-by-step explanation:

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Nine years ago, Kimo was twice as old as Jennifer was then. In four years, Jennifer will be the same age that Kimo is now? How o

Georgia [21]

Answer:Kimo is 17 years old and Jennifer is 13 years old.

Step-by-step explanation:

Let x represent Kimo's current age.

Let y represent Jennifer's current age.

Nine years ago, Kimo was twice as old as Jennifer was then. It means that

x - 9 = 2(y - 9)

x - 9 = 2y - 18

x = 2y - 18 + 9 = 2y - 9

In four years, Jennifer will be the same age that Kimo is now. It means that

x = y + 4 - - - - - - - - - 1

Substituting x = 2y - 9 into equation 1, it becomes

2y - 9 = y + 4

2y - y = 4 + 9

y = 13

x = 2y - 9 = 2 × 13 - 9

x = 17

8 0

3 years ago

Place the indicated product in the proper location on the grid. (y + 1/3)(y - 1/3)

NeX [460]

Answer:

y² - 1/3

Step-by-step explanation:

I kind of don't understand the question. But I tried my best to understand.

The way I simplify it is to multiply it with each other.

(y + 1/3)(y - 1/3)

=> y² - y/3 + y/3 - 1/9

=> y² - 1/9

After simplifying, we got y² - 1/9

3 0

2 years ago

Read 2 more answers

Please help and thanks !

ivolga24 [154]

Answer:

x²+4x+4x+16

x(X+4)+4(X+4)

(x+4)(X+4)=0

8 0

3 years ago

Read 2 more answers

Your company maintains a cylindrical oil refinery storage tank that is 190 feet across on the inside and 80 feet high. The tank

Lorico [155]

Answer:

The correct answer is A. You multiplied that tank's radius by two instead of calculating r²

Step-by-step explanation:

This is the wrong calculation we did:

Volume of the cylindrical oil refinery storage tank = π * 2r * h * 0.75

Replacing with the real values, we got:

Volume of the cylindrical oil refinery storage tank = 3.14 * 2 * 95 *80 * 0.75

Volume of the cylindrical oil refinery storage tank = 35,796 cubic feet (Rounded 35,800)

This is the correct calculation we should have done:

Volume of the cylindrical oil refinery storage tank = π * r² * h * 0.75

Replacing with the real values, we got:

Volume of the cylindrical oil refinery storage tank = 3.14 * 95² *80 * 0.75

Volume of the cylindrical oil refinery storage tank = 1'700.310 cubic feet

4 0

3 years ago

A triangular building has an area of 350 1/4. If the height is 75, what is the base of the triangle?

Vikentia [17]

Answer:

9.33

Step-by-step explanation:

4 0

3 years ago