3 years ago

Use substitution to solve the systems of equations. y=x+1.75 4x-2y=4

2 answers:

6 0

Since y already equals something, x + 1.75, we can put its equivalent x + 1.75 in its place in the other equation.
See the image for the rest of the solution steps.

Evgesh-ka [11]3 years ago

4 0

Answer:

(3.75,5.5)

Step-by-step explanation:

I know because i got a 100% on the i-ready quiz

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Carol surveyed two samples of 200 people each about their favorite musical instrument and recorded them in the table below.

Tcecarenko [31]

Answer:

$\%Guitar = 33 \%$

Step-by-step explanation:

Given

The two-way table

Required

Percentage of men and women whose favorite is Guitar

From the table, we have:

$Total = 200$

Those who prefer Guitar

$Men=29$

$Women = 37$

So:

$Guitar = 29 +37 = 66$

So, the percentage of men and women is:

$\%Guitar = \frac{Guitar}{Total} * 100\%$

$\%Guitar = \frac{66}{200} * 100\%$

$\%Guitar = \frac{6600}{200} \%$

$\%Guitar = 33 \%$

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kirill115 [55]

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