3 years ago

Dont say random stuff for points please

Mathematics

2 answers:

Vsevolod [243]3 years ago

8 0

Answer:

I Think the answer is A

Step-by-step explanation:

Best guess, sorry. but i think you will get this right.

Sever21 [200]3 years ago

3 0

Answer:

41.2 - 3.8 = t

Step-by-step explanation:

41.2 is Stephanie's time

Rhonda's time is 3.8 minutes faster

So to get "t" we need to subtract 3.8 from 41.2

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Sandra used partial products to find the product of 438 × 17 by multiplying 438 by 1 and 438 by 7 to get 3,066. Find the product

boyakko [2]

Let us determine the product of 438 and 17 by partial products.

Consider $438 = 400+30+8$

and $17 = 10+7$

So, $438 \times 17 = (400+30+8) \times (10+7)$

$438 \times 17 = (400\times 10)+(30 \times 10)+(8 \times 10) +(400 \times 7)+(30 \times 7)+(8 \times 7)$

= $438 \times 17 = (4000+300+80+2800+210+56)$

= 7446

Therefore, the product of 438 and 17 is 7446.

No, Sandra's answer is not correct.

Because she should have expressed 17 as (10+7), then if she multiplied (438 by 10) and (438 by 7). And, then added the results.Then her answer would be correct.

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5(3a+b)−2(3a+b) in simplest form<br> I NEED HELP!

nordsb [41]

Answer:

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Is the answer

Step-by-step explanation:

$5(3a + b) - 2(3a + b) \\ = 15a + 5b - 6a - 2b \\ = 9a + 3b$

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That is why

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10/5,000 = 0.002

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