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Rashid [163]
3 years ago
7

What is an example of a mathematical equation?

Mathematics
1 answer:
Brrunno [24]3 years ago
3 0
Any equation has to have an equal sign. For example, 5x = 30 — there is an equal sign
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36 workers I need 1 pen for each worker. For every 3 people who prefer red pens,there are 9 who prefer blue. How many blue pens
Klio2033 [76]
Blue 9 x 3 = 27
red 3 x 3 = 9
27 + 9 = 36
I hope this helps
7 0
3 years ago
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Find: m∠1, m∠2, and m∠5 in degrees
gulaghasi [49]

Answer:

<1 = 100

<2 = 80

Step-by-step explanation:

Angle 1 and angle 2 are supplementary

Supplementary angles add to 180 degrees

<1 + <2 = 180

The angles are in a ratio of 5 to 4

Multiply by x to get the measure of each angle

<1 = 5x  <2 = 4x

5x+4x = 180

Combine like terms

9x = 180

Divide by 9

9x/9 =180/9

x =20

<1 = 5x = 5*20 = 100

<2 = 4x = 4*20 = 80

6 0
3 years ago
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The sales tax on a surfboard is $12. What is the percent of sales tax?
Rudik [331]
X= sales tax %

Step 1:
$240 * sales tax %= $12
240 * x= 12
240x=12
Divide both sides by 240
x= 0.05 (decimal of the %)


Convert to %:
Multiply decimal by 100 (or move decimal to the right two decimal places
=0.05 x 100
=5 %

The sales tax is 5%.

Hope this helps! :)


8 0
3 years ago
What is the slope of a line perpendicular to the
Dahasolnce [82]

Answer: a. -3/5

Step-by-step explanation:

7 0
3 years ago
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What is the surface area of 8ft 3ft 3ft 3ft
Rainbow [258]

Answer:

multiply them all and you will get the answer. use calculator

3 0
3 years ago
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