3 years ago

Aubrey says that the product of 104 and 10–2 is 10–8. Is she correct? If not, explain why.

Mathematics

2 answers:

denpristay [2]3 years ago

8 0

I’m pretty sure the answer is c

konstantin123 [22]3 years ago

6 0

Answer:

Step-by-step explanation:

No, she multiplied the exponents instead of adding them.

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Divide 72 in the ratio 7:2.<br> show your work.

AVprozaik [17]

I think the answer is 3.5 cause when you divide it 7 go inside and 7 there's nothing you can multiply to get 7

5 0

4 years ago

Two planes A and B start from the same place and move in different directions making an angle of 50° between them the speed of p

Alika [10]

Answer:

The distance between them is 230.65 miles

Step-by-step explanation:

Here we use the Cosine formula

$a^2 = b^2 + c^2 - 2bc\ cos\ A\\\\a^2 = 200^2 + 300^2 - 2\times 200\times 300cos50^{\circ}\\\\= 40,000 + 90,000 - 120,000cos50^{\circ}\\\\= 130,000 - 120,000 \times 0.64\\\\= 130,000 - 76,800\\\\a^2= 53,200\\\\a = \sqrt{53,200} \\\\= 230.65\ miles\ per\ hour$