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vodka [1.7K]
3 years ago
5

To use energy efficiently, a certain washing machine should wash at least 2 kilograms of clothes. To avoid overloading the machi

ne, at most 6 kilograms should be washed.
What is the range of the loads for this washing machine ?
Mathematics
1 answer:
agasfer [191]3 years ago
7 0

Step-by-step explanation:

the answer is in the image above

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70% of the 30 sandcastles at Donatello Beach have moats. how many more moats are there​
bixtya [17]

Answer:

21 moats

Step-by-step explanation:

.70 x 30 = 21

4 0
3 years ago
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Carlton thinks that converting metric units is as easy as moving the ________​
fredd [130]

Answer:

  • Carlton thinks that converting metric units is as easy as moving the <u>decimal point</u>

Step-by-step explanation:

  • When you convert the unit, you move decimal point  on your answer from the left to the right or from the right to the left the number of places as per relevant prefix.

<u>Example: </u>

  • 1 meter = 1000 millimeters (1.0 m = 1000.0 mm)
  • 1 milligram = 0.001 grams ( 1.0 mg = 0.001 g)

<em>see attached for prefixes</em>

6 0
3 years ago
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Find the slope from the points given: <br> (18, -5), (18, 20)
Ivahew [28]

Answer:

UNDEFINED

Step-by-step explanation:

change in y over the change in x is how you'd find slope, however, x is the same in both of these, making this a limitation not an equation, therefore the slope is undefined 18-18 = 0 -> Anything divided by zero as a slope is undefined.

3 0
3 years ago
Sara has $50 in her wallet in $5 and $20 bills. Create a linear equation (with
77julia77 [94]

Answer:

<em>0 $20 bills and 10 $5 bills</em>

<em>1 $20 bills and 6 $5 bills</em>

<em>2 $20 bills and 2 $5 bills</em>

Step-by-step explanation:

<u>Equations</u>

Let's set:

x=number of $5 bills

y=number of $20 bills

The total amount Sara has is given by

5x+20y

And we know it's equal to $50, thus:

5x+20y=50

Dividing by 5

x+4y=10

We would need another condition to solve for x and y, but we can determine some combinations that solve the problem.

Solving for x:

x=10-4y

Since both x and y are integers and cannot be negative:

10-4y≥0

Swapping sides:

4y≤10

Dividing by 4:

y≤2.5

Thus, y can only have the values {0,1,2}

For y=0

x=10-4*0=10

x=10

For y=1

x=10-4*1=6

x=6

For y=2

x=10-4*2=2

x=2

Thus, the possible combinations are:

0 $20 bills and 10 $5 bills

1 $20 bills and 6 $5 bills

2 $20 bills and 2 $5 bills

4 0
3 years ago
Christina estimates that she will spend $250 on new summer clothes. She actually spent $350. what is the percent error? Round to
Wittaler [7]

Answer:

60%

Step-by-step explanation:

250÷350=0.6 which is equal to 60%

4 0
2 years ago
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