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Verizon [17]
3 years ago
7

Jas has 145 dollars in her savings account she earns 36 dollars a week mowing lawns if jas saves all of her money after how many

weeks will she have 433 saved
Mathematics
1 answer:
julia-pushkina [17]3 years ago
8 0

Answer:

8 weeks

Step-by-step explanation:

First we have jas starting with 145 dollars.

her adds 36 a week to savings.

The total savings we need to get to is 433 dollars.

Let w = weeks needed to get to goal

145 + 36w = 433

Subtract 145 from both sides:

36w = 433 - 145

Simplify:

36w = 288

Divide both sides by 36:

w = 288/36

w = 8

After 8 weeks, jas will have saved 433 dollars.

Check for truth:

145 + 36(8) = 433

145 + 288 = 433

433 = 433 ; check

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A cylinder has a radius of 4 inches and a high of 10.5 inches what is the approximate volume of the cylinder
olga55 [171]

Answer:

V ≈ 527.79

Step-by-step explanation:

Formula is V= πr2h

therefore

V = π * 4 * 2 * 10.5

V = π * 8 * 10.5

V ≈ 527.79

5 0
3 years ago
Logan wants to move to a new city. He gathered graphs of temperatures for two different cities. Which statements about the data
eduard

Answer:

we need the data to answer the question

3 0
3 years ago
The average estimated hours a person in the United States spent playing video games per year from 2002 to 2012 were 71, 80, 82,
ozzi

Answer:

Population variance 579

Population standard deviation 24

Step-by-step explanation:

The average estimated hours a person in the United States spent playing video games per year from 2002 to 2012 were 71, 80, 82, 78, 80, 91, 107, 121, 125, 131, and 142.

The population variance is given by:

\sigma^2=\frac{\sum(x-\mu)^2}{n}

\mu=\frac{71+80+82+78+80+91+107+121+125+131+142}{11}

\mu=\frac{1108}{11}

This implies that:

\sigma^2=\frac{(71-\frac{1108}{11})^2+(80-\frac{1108}{11})^2+(82-\frac{1108}{11})^2+(78-\frac{1108}{11})^2+(80-\frac{1108}{11})^2+...+(142-\frac{1108}{11})^2}{11}

\sigma^2=\frac{70006}{121} =579 to the nearest whole number

The population standard deviation is

\sigma=\frac{\sqrt{70006} }{11}=24 to the nearest whole number.

3 0
3 years ago
Read 2 more answers
(50 points)(please make sure you know what you're doing)(absurd answers will be reported)
Tatiana [17]

Answer:

  see below

Step-by-step explanation:

Putting each equation in standard form is a good start.

1. Divide the first equation by 2. Divide the second equation by -5.

  • x +2y = 2
  • x - y = -1

2. Divide the first equation by 2; multiply the second by -1.

  • x +2y = 2
  • 3x -y = 1

3. Divide the first equation by 2.

  • x +2y = 2
  • 7x +5y = -1

4. Divide the first equation by 2.

  • x +2y = 2
  • 7x -y = 5

5. Divide the first equation by 2.

  • x +2y = 2
  • 7x -y = -1
7 0
3 years ago
Please help me I need help
dimulka [17.4K]
I think it would be 3x-4 because you could subtract WE and PE. Hope this helps!
8 0
3 years ago
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