Trying to translate word problems. Five times the sum of 3 and twice some number is 70. what is the number?

Answers

Answer 1

Answer: 5(2x+3)=70
10x+15=70
10x=55
x=5.5

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What is the positive root of the equation x ^2 + 5x = 150?

Answers

the awnser I came out with is x=10,-15

It rained 44 inch on Mondayand 54 inch on Tuesday.
How much did it rain on
both days?

30 points

Answers

98 inches, we added the inches.

Answer:

98 inches

Step-by-step explanation:

54inches + 44inches =

5 + 4 = 9

4 + 4 = 8

So... the answer is 98 inches?

I hope this helps!!

In the data set below, what is the mean absolute deviation?4,9,2,9,2,2,7

If the answer is a decimal, round it to the nearest tenth.

Answers

Answer:

2.9 (2.85)

Step-by-step explanation:

Find the balance in the account. $2,500 principal earning 4%, compounded quarterly, after 4 years

Answers

Answer:

$2941.45 will be the balance.

Step-by-step explanation:

Formula to find the final amount after 4 years with compound interest is

$A=A_(0)[1+(r)/(n)]^(nt)=2500[1+.04/4]^(4.4)=2500(1.01)^(16)$

= 2500×1.173 = $2931.45

Therefore $2931.45 is the final amount.

Formula:
A(t)=P(1+(r/n))^)nt)

A(4)=2500(1+(0.04/4))^(4*4)
A(4) = 2500(1.01)^16
A(4) = 2500*1.1726
A(4) = $2931.45

it costs a family $305.00 to buy a 16-ft by-18-ft rug. if the cost is proportional to the area, what will it cost the family to buy a 11-ft-by-14-ft rug

Answers

The cost for the family to buy a 11-ft-by-14-ft rug is $163.

Cost

A mathematical formula for calculating how manufacturing costs will vary as output levels rise.

How to determine the cost of an 11-ft-by-14-ft rug?

Given 16-ft by-18-ft rug, cost is $305.00.

An 6-ft by-18-ft rug, area is 16×18 = 288 ft²

then per square feet cost is 355/288 = $1.059

the rug plane to buy an 11-ft-by-14-ft area is 11×14 = 154 ft²

So the cost of 154 ft² area is 154 × 1.059 = $163

Hence the of 11-ft-by-14-ft rug is $163.

Learn more about cost here: brainly.com/question/16960193

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$163.09 because 16x18=288sqft 11x14=154sqft so $355/288 = $1.059sqft multiply that by 154 and the answer is $163

Which expression is equivalent to -14-(-2)?
14-2
O 14+2
0 -14+2
14-2

Answers

Answer:

-14 +2

Step-by-step explanation:

because you would do kcc aka keep change change

you would keep -14 change the minus to a addition sign and change the -2 to a positive 2

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A rectangle's length is three times its width. Let w denote the rectangle's width. What polynomial represents the rectangle's area?

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