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Novay_Z [31]
2 years ago
7

The school has arranged to have the gym walls plastered. It takes 200 pounds of lime to make one batch of plaster. Each batch of

plaster will cover 45 square yards of wall. How much lime will be needed to finish 855 square yards of wall? 21,375 pounds 3,762 pounds 38,475 pounds 3,800 pounds
Mathematics
1 answer:
elixir [45]2 years ago
4 0

Answer:

D or 3800

Step-by-step explanation:

Just divided 855 by 45 then multiplied 200 by 19

Please mark me brainlest

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April worked 1 1/2 times as long on her math project as Carl. For how many hours did April work on her math project?
natima [27]

Answer: 7 7/8 hours long

Step-by-step explanation:

April worked 1 1/2 times as long as Carl did. 1 1/2 can be rewritten as 3/2. Number of Hours April worked on math project 3/2 times the Number of Hours Carl worked on Math project. Which Carl worked 5 1/4 hours long, which can be rewritten as 21/4

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2 years ago
X + 10 = 20 ?????????????????????????????????????
Phoenix [80]
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7 0
2 years ago
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Write an equation of the line in slope-intercept form
Agata [3.3K]

Answer:

y=2x-2

Step-by-step explanation:

Slope intercept form = y=mx+b

Where m=slope and b= y intercept

Reminder: the y intercept is where x=0

Looking at the graph, the y intercept is given as (0,-2)

There are also two points given (0, -2) and (2,2)

Reminder: to find the slope, divide the changes in y by the changes in x or substitute the numbers into this equation: y2-y1/x2-x1

2-(-2)/2-0=4/2

m=2

Now that we have the slope and y intercept, sbstitute into the equation y=mx+b:

y=2x-2

5 0
2 years ago
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PLEASE ANSWER RIGHT AWAY
BlackZzzverrR [31]

Answer:

A- control group

Since group A is tested under normal condition, it is the control group. Control group is separated from other groups so that the independent variable being tested cannot influence the result.

8 0
3 years ago
You want to buy a camera. The retail price is $75. The camera is on sale for 15% off . What is the sale price of the camera?
ludmilkaskok [199]

Answer:

$63.75

Step-by-step explanation:

15% off

Get percentage of retail price

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0.85 = 85%

The sale price is 85% of the retail price

Multiply

0.85 * 75

$63.75

7 0
1 year ago
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