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Ber [7]
3 years ago
9

Which of these steps would you do first to solve 8.15÷5? Multiply 5 by 100, multiply 8.15 by 5, multiply 8.15 by 100 or move the

decimal point up into the quotient
Mathematics
1 answer:
Tamiku [17]3 years ago
3 0

Answer: Multiply 8.15 by 100

Step-by-step explanation:

In solving 8.15 /15, the following steps are to be taken;

1. Multiply 8.15 by 100 to gives a whole number

8.15*100= 815

2. Also multiply 15 which is the denominator by 100

15*100= 1500

3. Divide the numerator by the denominator.

815/1500

We have 0.5433

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Which of these four sets of side lengths will form a right triangle? Set 1 4 cm, 5 cm, 6 cm Set 2 8 in., 12 in., 20 in. Set 3 10
Alenkasestr [34]

Answer:  The correct option is (D) SET 4.

Step-by-step explanation:  We are to select the correct set of side lengths that will form a right-angled triangle.

To form a right-angled triangle, we must have the following relation:

<em>Perpendicular² + Base² = Hypotenuse².</em>

<em>Hypotenuse is the length of the largest side; perpendicular and base are the two legs of the triangle.</em>

SET 1 :  14 cm, 5 cm, 6 cm.  

We have

5^2+6^2=25+36=61,\\\\14^2=196.

Therefore,

<em>Perpendicular² + Base² ≠ Hypotenuse².</em>

So, this set will not form a right-angled triangle.

SET 2 :  8 in., 12 in., 20 in.  

We have

8^2+12^2=64+144=208,\\\\20^2=400.

Therefore,

<em>Perpendicular² + Base² ≠ Hypotenuse².</em>

So, this set will not form a right-angled triangle.

SET 3 :  10 mm, 20 mm, 30 mm.  

We have

10^2+20^2=100+400=500,\\\\30^2=900.

Therefore,

<em>Perpendicular² + Base² ≠ Hypotenuse².</em>

So, this set will not form a right-angled triangle.

SET 4 :  12 ft, 16 ft, 20 ft.  

We have

12^2+16^2=144+256=400,\\\\20^2=400.

Therefore,

<em>Perpendicular² + Base² = Hypotenuse².</em>

So, this set will form a right-angled triangle.

Thus, the SET 4 will form a right-angles triangle.

Option (D) is correct.

5 0
3 years ago
Read 2 more answers
three softball players wrote down their batting average : amy wrote 12 or 30 , sue wrote .34 , kit wrote 9/21 . who is a better
Maksim231197 [3]
Amy: 12 or 30
Sue: 0.34
Kit: 9/21
Kit is the better hitter.

Hope this helps :^)
5 0
3 years ago
Read 2 more answers
The next train will arrive in 32 minutes and 30 seconds. In how many seconds will the next train arrive? Enter your answer in th
34kurt

It will arrive in 1950 seconds

6 0
3 years ago
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9/10( -2/3) ( symplify )
levacccp [35]
-3/5 because you multiply 9/10 by -2/3
4 0
3 years ago
A grocery store needed eight hundred ninety five cans of peas.If the peas came in boxes with thirty two cans in each box,how man
Ronch [10]

Answer:

28 boxes

Step-by-step explanation:

We need to take the total number of cans needed and divide by the number of cans per box to determine the number of boxes

895 / 32 =27  with 31 left over

Making this a fraction

27 31/32 boxes

We cannot normally order part of a box

Rounding up to the next whole box

28 boxes

6 0
3 years ago
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