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nasty-shy [4]
3 years ago
13

Area & perimeter of L shapes

Mathematics
1 answer:
julia-pushkina [17]3 years ago
8 0
Erin puts 3 small cans , 4 medium cans , and 5 large cans on a shelf . How many cans does she put on the shelf.
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For a LOT OF POINTS answer this question.
klasskru [66]

Answer:

Step 2 has the error

1. The whole number (20) was left out

2. Adding different signs, we subtract and retain the sign from the larger number

Correction:

Step 2: 20 - 17x = 34x + 60

Step 3: -17x -34x = 60 - 20

Step 4: -51x = 40

Step 5: x = 40/-51

4 0
3 years ago
Read 2 more answers
In the opening scene of the movie Raiders of the Lost Ark, Indiana Jones replaces a golden statue with a bag of sand. The platfo
chubhunter [2.5K]

Answer:

1920π

Step-by-step explanation:

First, you need to find the volume of the statue in terms of pi.

Volume of cylinder formula:

V=πr²h

V=π4²15

V=π16×15

V=240π

Then, you need to find the mass of the statue.

Mass:

Mass= density × volume

Mass=20×240π

Mass=4800π

Now, you need to find the volume. Since the sand has to weigh the same as the statue, the mass is going to stay the same. To find the volume you need to do:

V=mass of sand/density

V=4800π/2.5

That gives you your answer:

1920π

Note: I had to do the exact same problem on Khan Academy. This is right.

3 0
3 years ago
How do you subtract 1 integer by another
nikdorinn [45]
Use absolute value. If both signs are negative you will get a negative number. if both are positive you get positive. if the signs are different, subtract the smaller absolute value from the larger absolute value.
8 0
3 years ago
Read 2 more answers
The table shows the temperature of an amount of water set on a stove to boil, recorded every half minute. a 2-row table with 10
olga nikolaevna [1]

According to the line of best fit, the value of time when the temperature reach 100°c, the boiling point of water is 5.

<h3>What is linear regression?</h3>

Linear regression is a type of regression which is used to model the statement in which the growth or decay initially with constant rate, and then slow down with respect to time.

The table shows the temperature of an amount of water set on a stove to boil, recorded every half minute. a 2-row table with 10 columns.

  • Time (minutes X)                 0, 0.5,1.0, 1.5, 2.0,2.5,3.0, 3.5, 4,  4.5.
  • Temperature (° Celsius Y)  75, 79, 83, 86, 89, 91, 93,  94, 95, 95.5.

The sum of time is 22.5 and the sum of temperature value is 880.5. In this table,

  • The mean of time value, 2.25.
  • The mean of temperature value 88.05
  • Sum of squares 20.625
  • Sum of products 93.625

The regression equation for this data can be given as,

\hat y=4.53939 X+77.83636

Put the value of temperature (y) 100 in this equation.

100=4.53939 X+77.83636\\X=\dfrac{100-77.83636}{4.53939}\\X\approx 5

Hence, according to the line of best fit, the value of time when the temperature reach 100°c, the boiling point of water is 5.

Learn more about the regression here;

brainly.com/question/25226042

4 0
2 years ago
Adriano runs a website that helps writers write better stories. Every month, Adriano receives a subscription fee of $5 from each
Inessa05 [86]
$1150. I hope this helps.
3 0
3 years ago
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