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Katyanochek1 [597]
3 years ago
11

The price of a notebook has risen to $3.45 today. Yesterday’s price was $3.20. Find the percentage increase. Round your answer t

o the nearest tenth of a percent.
Mathematics
1 answer:
dexar [7]3 years ago
6 0

Answer:

7.8%

Step-by-step explanation:

Yesterday’s price =$3.20

Today’s price =$3.45

Increase =today’s price - yesterday’s price

That’s $3.45 - $3.20

= $0.25

Percentage increase = increment /yesterday’s price x 100%

That’s $0.25/$3.20 x 100%

0.0781 x 100%

7.81

7.8%

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What is 3x+70=8x-20 show work
Elena-2011 [213]

Answer:

Hi there!

Your answer is:

x= 18

Step-by-step explanation:

3x+70=8x-20

Isolate x on left side

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Isolate whole numbers on right side

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3 years ago
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d

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3 years ago
Two Parallel lines are cut by a transversal x and a transversal y so that x and y intersect at point Q as shown.
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Answer:

- Angle 'a' is an alternating exterior angle with one angle in the triangle and therefore congruent to one angle in the triangle formed by lines m, x, and y.

- Angles 'b' and 'c' are vertical angles with the other two angles in the triangle and therefore congruent to two other angles in the triangle

Step-by-step explanation:

Vertical angles are angles that are equal to each other but in opposite direction. The angles b and c have vertical angles on the triangle Q while alternate exterior angles are equal angles that lie on different lanes cutting through an axis.

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Step-by-step explanation:

8 0
3 years ago
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