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Dovator [93]
3 years ago
10

How could you use the product of 10x42=420 to find the product of 5x42?

Mathematics
1 answer:
Airida [17]3 years ago
3 0
In this case, it's clear that 5 is half of ten, therefore, you have to divide the first equation in half, giving you 5x42= 210. If it was something such as 20x24, you just work the answer from the multiple of ten. Hope this helpsn
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Annie buys a picnic table priced at $407. If the sales tax is 6%, what will be the total cost including tax?
Oksi-84 [34.3K]

Answer:

-$407

-tax:6%

407 times 6 divided by 100

413/100

4.13

407 plus 4.13

$411.13

3 0
2 years ago
Andy has a collection of movie dvds. in andys collection 3/5 of the dvds are action 1/4 of the dvds are comedy. andy said that 4
Cerrena [4.2K]

This question is based on greatest common multiple.

Answer:

Cynthia is right that Andy made an error.

Step-by-step explanation:

As per Andy, action dvds are = \frac{3}{5}

And comedy dvd's are = \frac{1}{4}

So, in total these become = \frac{3}{5}+ \frac{1}{4}

= \frac{12+5}{20} = \frac{17}{20}

This is not 4/9 as per Andy.

6 0
3 years ago
What is 3 3/8 tons equal to in pounds?
guapka [62]

1 ton is equivalent to 2000 pounds

we have to find how many pounds 3 3/8 tons are equal to

if 1 ton --> 2000 pounds

we can break down the fraction into 3 + 3/8

then 3 tons --> 2000 x 3 = 6000 pounds

3/8 ton ---> 2000 x 3/8 = \frac{3*2000}{8} = \frac{6000}{8} = 750 pounds

after adding 6000 + 750 = 6750 pounds

answer is 6750 pounds

7 0
3 years ago
Read 2 more answers
Your friend says 8,705 divided by 1000 is equivalent to 8705 times 0.001. Is your friend correct? Explain
irakobra [83]

Answer:

yes

Step-by-step explanation:

8705/1000 = 8705*0.001

8.705 = 8.705

3 0
3 years ago
Solve the equation.<br> 8 -(x + 5) = 5x - 3
Mandarinka [93]

Answer:

x = 1

Step-by-step explanation:

8 -(x+5) = 5x - 3

-(x+5)  --->   -1 (x +5) = -x - 5

8 - x - 5 = 5x -3            8 - 5 = 3

-x + 3 = 5x - 3

+x         +x

3 = 6x - 3

+3       +3

6 = 6x

/6   /6

<u>x = 1</u>

8 0
2 years ago
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