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Kipish [7]
3 years ago
15

Explain how to use multiplication  to check the answer to a division problem

Mathematics
2 answers:
irina [24]3 years ago
6 0
For example: 35 divided by 5 is 7. So to check with multiplication, just think 7 times 5 is what? 35. This is the same formula for everything.
Hope this helps!!
ZanzabumX [31]3 years ago
3 0

Answer: To check the division problem , there are steps

Step 1. First perform the division problem.


Step 2. Multiply the quotient and the divisor.


Step 3. Add the remainder to the product of quotient and divisor.


Step 4. The final answer should be equal to the dividend.

For example to divide 65 by 2

Here, Dividend=65 , Divisor=2

After perform division, we get Quotient=32 and remainder=1

To check:-

32×2+1=64+1=65→ Dividend

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Which of the following is a true polynomial identity​
zhuklara [117]

Answer:

It's a.

Step-by-step explanation:

(a - 2b)^2 + 8ab

= a^2 - 4ab + 4b^2 + 8ab

= a^2 + 4ab + 4b^2.

((a + 2b)^2 = a^2 + 4ab + 4b^2.

6 0
4 years ago
Read 2 more answers
Please help! this is hard for me!
weqwewe [10]

Answer:

$12.31

Step-by-step explanation:

Think of the original rate of pay as being 100%.

If your rate is increasing by 7%, it will now be 107% of the original rate (since 100% + 7% = 107%)

To find 107% of $11.50, convert 107% into a decimal

⇒ 107% = 107/100 = 1.07

then multiply this by the original rate to get the new increased rate:

⇒ $11.50 × 1.07 = $12.305

Rounding this to the nearest hundred = $12.31

Alternatively, you can find 7% of $11.50 and then add this to $11.50.

⇒ 7% = 7/100 = 0.07

Therefore, 7% of $11.50 = 0.07 × $11.50 = $0.805

Add this to the original rate:

$11.50 + $0.805 = $12.305

Rounding this to the nearest hundred = $12.31

8 0
2 years ago
one high speed internet provider has a $50 setup fee and costs $30 per month. another has no setup fee and costs $40 per month.
vlabodo [156]

Answer:

y=30x+50 and y=40

Step-by-step explanation:


7 0
3 years ago
How many hundred of purple crayons in 148305
sdas [7]
1,483 hundreds   because 148305 divided by 100 is 1483!                                                                                                                                                                                                                                                           

4 0
3 years ago
Find the lcm of 7 and 12 show your work. ​
babymother [125]
The factors of 7 are 7, 1.
The factors of 12 are 12, 6, 4, 3, 2, 1.
12*7=84
7 0
3 years ago
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