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babunello [35]
3 years ago
10

A school ordered 5 boxes of paper. There were 28 sheets of paper in each box. How many sheets of paper did the school order in a

ll?
Mathematics
1 answer:
tatuchka [14]3 years ago
6 0

Answer:

the answer is 140 pieces of paper

Step-by-step explanation:

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Rag the operation signs to make the equation true. An operation may be used once. More than once, or not at all × returned to ch
-BARSIC- [3]

Answer:

12/(7-4) + 5 * 3 = 19

Step-by-step explanation:

Given

Untrue Expression: 12 ( 7 − 4 ) + 5 3 = 19

Signs: +−×÷

Required

Use the given signs to make the equation true.

To solve this, the trial and error method will be adopted.

The trial and error method involves trying series of sign combinations in the given expression; whichever works is the right answer.

So, after few attempts the following makes the equation true

12/(7-4) + 5 * 3 = 19

To check if it's true or not; we simply expand the expression on the left hand side. This gives

12/3 + 5 * 3 = 19

4 + 5 * 3 = 19

4 + 15 = 19

19 = 19.

Hence, the sign combinations used in 12/(7-4) + 5 * 3 = 19 is correct.

3 0
2 years ago
#15
Natasha2012 [34]

15(5)  + 12(10) \\ 75 + 120 \\ 195
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3 years ago
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In the picture shown below, what proportion would NOT give the correct value of x?
Temka [501]

Answer: (c)

Step-by-step explanation:

In the given figure, two triangles are similar namely \triangle ABC and \triangle ADB

For similar triangles, the ratio of the corresponding sides are equal.

For option (a), Hypotenuse to Perpendicular ratio is given, that is correct

Similarly for option (b), Perpendicular to hypotenuse ratio is given

Both option (a) and (b) gives the same value of x that is,

\Rightarrow x=\sqrt{81\times 45}\\\Rightarrow x=60.37

Option (c) does not give the correct value of  x

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3 years ago
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Please help me!!!!!!!!!
Rina8888 [55]

Answer:

scale factor 4

Step-by-step explanation:

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The points of 80,20 and 120,30 form a proportional relationship. What is the slope of the line that passes through those points?
Sophie [7]

Step-by-step explanation:

Divide the difference between the y-axis points by the difference between the x-axis points

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