3 years ago

Where is each answer

Mathematics

1 answer:

storchak [24]3 years ago

4 0

Answer:

1.(D)

2.(A)

3.(C)

4.(B)

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What is the simplified expression for -2a^2b+a+a^2-5ab+3ab^2-b^2+2(a^2b+2ab)

Bas_tet [7]

a^2+a-ab+3ab^2-b^2 I hope this helps

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3 years ago

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In scientific notation

mrs_skeptik [129]

$(3.9 \times {10}^{ - 3}) + 0.0026 =$

$(39 \times {10}^{ - 4}) + (26 \times {10}^{ - 4}) =$

$39 \times {10}^{ - 4} + 26 \times {10}^{ - 4} =$

$Factoring \: {10}^{ - 4}$

${10}^{ - 4} \times (39 + 26) =$

$65 \times {10}^{ - 4} = 6.5 \times {10}^{ - 3}$

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And we're done.

Thanks for watching buddy good luck.

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3 years ago

3. approximate value of log 3 base 7

xxTIMURxx [149]

Answer:

0.56457

Step-by-step explanation:

log 3 with base 7 = (Log 3)/ (Log 7) = 0.47712125 / 0.845098040014

(Log 3) / (Log 7) = 0.56457

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3 years ago

3/24 =33/x. Use equivalent ratios to find the unknown value

Tasya [4]

X/the answer is 264
because 33 times 24 is 792 and divide that by 3 is 264
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4 years ago

Kim runs 7,040 yards to get ready for a race. How many total feet will she run?

Alexxandr [17]

Their are three feet in a yard, so find out how many feet are in 7,040 yards you would do 7,040*3=21120

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3 years ago

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