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3 years ago

How would I solve 2 YARDS* = x inches using proportions?

Mathematics

1 answer:

xenn [34]3 years ago

5 0

1 yard = 36 "
2 yards = x "

1/36 = 2/x. cross multiply
1x = 72. solve for x. 2 yds = 72"

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Claire can run 100 meters in 17 seconds. What is her speed in meters per second?

Olegator [25]

100/17 = 5.88 meters per second

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3 years ago

A savings account compounds interest, at a rate of 25%, once a year. Eve puts $500 in the account as the principal. How can Eve

vladimir1956 [14]

Year 1: 500 + 0.25*500 = 500 [1 + 0.25]

Year 2: 500*[ 1 + 0.25] * [1 + 0.25] = 500 [1 + 0.25]^2

Year x: 500 [1 + 0.25]^x

Option d: A(x) = 500[1 + .25]^x, where .25 is the interest rate

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3 years ago

Directions: Determine how much Marco would be paid

lidiya [134]

Answer:

766.87 is how much he is paid in all.

Step-by-step explanation:

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7 0

3 years ago

Shopping at clothing world, jenna buys her children four shirts and three pairs of pants for 124.25. She returns the next day an

Aleksandr-060686 [28]

The cost of one shirt is 12.50 and cost of one pair of jeans is 24.75

Step-by-step explanation:

Let,

Cost of one shirt = x

Cost of pair of jeans = y

According to given statement;

4x+3y=124.25 Eqn 1

3x+5y=161.25 Eqn 2

Multiplying Eqn 1 by 3

$3(4x+3y=124.25)\\12x+9y=372.75\ \ \ Eqn\ 3$

Multiplying Eqn 2 by 4

$4(3x+5y=161.25)\\12x+20y=645\ \ \ Eqn\ 4$

Subtracting Eqn 3 from Eqn 4

$(12x+20y)-(12x+9y)=645-372.75\\12x+20y-12x-9y=272.25\\11y=272.25$

Dividing both sides by 11

$\frac{11y}{11}=\frac{272.25}{11}\\y=24.75$

Putting 24.75 in Eqn 1

$4x+3(24.75)=124.25\\4x+74.25=124.25\\4x=124.25-74.25\\4x=50$

Dividing both sides by 4

$\frac{4x}{4}=\frac{50}{4}\\x=12.50$

The cost of one shirt is 12.50 and cost of one pair of jeans is 24.75

Keywords: linear equation, elimination method

Learn more about elimination method at:

#LearnwithBrainly

8 0

3 years ago

Pls help help help help help help help

Nutka1998 [239]

Answer:

y=-2x+5

Step-by-step explanation:

slope is going down 2 over 1

y-int is 5

8 0

3 years ago