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vovangra [49]
3 years ago
7

Find the value of the "?"

Mathematics
1 answer:
Andru [333]3 years ago
3 0

Answer:

45

Step-by-step explanation:

Set up ratios for 2 similar triangles:

20/28=x/x+18

Cross multiply

28x=20x+360

8x=360

x=45

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Guy looks at his checking account balance and sees that it is less than −10 dollars.
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3 years ago
Solve the inequality and graph the solution<br> 7x ≥ -91
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The solution is x \geq 13.

Solution:

Given inequality:

7 x \geq 91

Divide by 7 on both sides.

$\frac{7 x}{7} \geq \frac{91}{7}

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The image of the graph is attached below.

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3 years ago
Sam paid $3.60 for 3/4 pound of his favorite trail-mix. What is the unit price (dollars per pound)?
jekas [21]

Answer:

So the unit price of the trail - mix is $4.80 per pound

Step-by-step explanation:

Sam paid $3.60 for 3/4 pound of his favorite trail-mix.

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So let's determine how much he could have paid for a complete pound

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$x= ($3.60*1 pound)/0.75 pound

$x=$3.60/0.75

$x= $4.80

So the unit price of the trail - mix is $4.80 per pound

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3 years ago
What are some different ways to write<br> numbers that are equal to 1: 2?
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