Mark's age is, t, is 3 times his age 10 years ago. Write an equation to represent the statement.

Answers

Answer 1

Answer:

t=3(10)

this is the answer because you are trying to find out what t is

but u know that he is 3 times his age 10 years ago

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A cola company wants to test their cola against their biggest competitor's cola. They decide to randomly sample 150 people. The results from their survey show that 98 people out of 150 people prefer their cola to their competitor's. What is the best prediction of the number of people who will prefer their cola if 1,200 people are asked?784
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Answers

the answer is 784

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Answers

15 is the answer I think

the perimeter of a rectangle is 32 centimeters. The length is 1 cm more than twice the width. Find the dimensions of the rectangle.

Answers

Answer: length = 11cm , width = 5cm

Step-by-step explanation:

The formula for calculating the perimeter of a rectangle is given by :

P = 2 ( L + w )

The length is 1 cm more than twice the width implies:

L = 1 + 2w

substituting into the formula , we have

32 = 2 ( 1 + 2w + w )

32 = 2 ( 1 + 3w)

32 = 2 + 6w

32 - 2 = 6w

30 = 6w

Therefore :

w = 5

then

L = 1 + 2w

L = 1 + 2 ( 5 )

L = 1 + 10

L = 11

Therefore , the length is 11 cm and the width is 5cm

Joanne buys a rectangular rug with an area of 35/4 square meters. The length of the rug is 7/2 meters. What is the width, in meters, of the rug?

Answers

Area = 35/4 m²

Length = 7/2 m

Area = length * width

35/4 = 7/2 * width

7/2 * width = 35/4

width = 35/4 ÷ 7/2

width = 35/4 × 2/7 = 5/2

Width = 5/2 m

Malachai is doing a 20 mile bike ride. he has cycled 11miles so far. what percentage of the total distance has he cycled?

Answers

Ok, first you need to put 20 over 100: $(20)/(100)$

Now divide 100 by 20 and you will get 5

Every mile equals 5%

Take 5 and multiply it by 11 you should get 55%

Malachai has cycled 55% of the distance

What is the reciprocal of 2 5/7 ?

Answers

$2 (5)/(7)...fraction...transform\n (2*7+5)/(7) \n(19)/(7)...invest \n (7)/(19)...this...is... reciprocal$

I hope it helps you :)

it would be 2.57 because with the number you gave us would turn into a decimal

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Suppose P(A) = 0.9, P(B) = 0.3, and P(B|A) = 0.2. What is P(A|B) ?