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2 years ago

Sylvia set a goal of saving at least $200 in a savings account.

Mathematics

2 answers:

lana [24]2 years ago

8 0

Answer:

twenty eight more weeks till$200

Katyanochek1 [597]2 years ago

3 0

So she needs to save 200 she has 60 in the account she invests 5 per let’s use x as a variable so she invests 5 per x weeks until she reaches 200 hope this helps

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-55÷12 = 7÷4m + 8÷3m what is m

Lady_Fox [76]

Answer:

$m=-\frac{53}{55} \\m=-0.963$

Step-by-step explanation:

Rewrite Equation.

$7/4m+8/3m=-55/12$

Simplify.

$\frac{53}{12m} =-55/12$

Simplify.

$\frac{53}{12m} =-\frac{55}{12}$

Multiply the numerator of the first fraction by the denominator of the second fraction. Set this equal to the product of the denominator of the first fraction and the numerator of the second fraction.

$53*12=12m*-55$

Simplify & Answer:

$m=-\frac{53}{55}$

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3 years ago

The variable z is directly proportional to x, and inversely proportional to y. when x is 16 and y is 17, z has the value 11.2941

Tresset [83]

Lets suppose k is the constant of proportionality.

z = k * x / y

when x is 16 and y is 17, z has the value 11.294117647059

11.294117647059 = k * 16/17

Multiplying 17 on both sides

11.294117647059 * 17 = k * 16

192 = k * 16

Dividing 16 on both sides

192/16 = k

k = 12

Now when x= 22, and y= 26

z = k * x/y

z = 12 * 22 / 26

z = 10.1538461538 : Answer

Hope it will help :)

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3 years ago

The travel agent surveyed tourists at random and constructed a 95% confidence interval for the proportion of tourists who were e

Anastaziya [24]

Answer:

The margin of error is 0.1215

Step-by-step explanation:

A confidence interval has two bounds, a lower bound and an upper bound. The margin of error is the difference between these two bounds, divided by 2.

In this problem, we have that:

Lower bound: 0.5627

Upper bound: 0.8057

What is the margin of error?

(0.8057 - 0.5627)/2 = 0.1215

The margin of error is 0.1215

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3 years ago

Anwser the question quickly!

cluponka [151]

B is the correct anwser

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3 years ago

Read 2 more answers

X - y = 2 x + y = -3 Solve this using elimination Quickly please!!!!

blagie [28]

The answer for x=-1
The answer for y=-5/2

I believe these are correct

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3 years ago