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3 years ago

Which of the following would correctly fill in the blank on the following statement? 1.7 x 10__ = 0.00017

Mathematics

2 answers:

katrin2010 [14]3 years ago

8 0

The blank should be the power of -4, so the statement is 1.7 x 10^-4 = 0.00017.

Novosadov [1.4K]3 years ago

6 0

Answer:

-4

Step-by-step explanation:

i got this answer because if you use process of elimination all you would have to do is move the decimal 1 more space to the right along with another 0 then in order to find your answer you will get -4 plz mark me brainliest

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HELP ASAP 50 POINT FOR CORRECT ANSWER

satela [25.4K]

Im not sure but I think it is like 65

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3 years ago

Calculate the length b to two decimal places.

Andrej [43]

Answer:

B. 21.64

Step-by-step explanation:

We have been given a triangle and we are asked to find the length of AC (b).

We will use law of cosines to find the length of side AC.

$c^{2}=a^{2}+b^{2}-2ab \text{ cos }\theta$

Upon substituting our given values in the formula we will get,

$(AC)^{2}=15^{2}+12^{2}-2\times 15\times 12 \text{ cos}(106)$

$(AC)^{2}=225+144-360\text{ cos}(106)$

$(AC)^{2}=369-360(-0.275637355817)$

$(AC)^{2}=369+99.22944809412$

$(AC)^{2}=468.22944809412$

Upon taking square root of both sides of our equation we will be get,

$AC=\sqrt{468.22944809412}$

$AC=21.6386101238993629\approx 21.64$

Therefore, the length of b is 21.64 and option B is the correct choice.

6 0

3 years ago

75 POINTS ASAP HELP

katrin2010 [14]

Answer:

It is called the constant ratio.

3 0

3 years ago

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Can someone please explain this?...... ;-;

Serhud [2]

Answer:

Okay I believe it would be c

Step-by-step explanation:

If I'm wrong I'm really sorry...

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3 years ago

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅?

Tom [10]

Answer: Option C is correct

Step-by-step explanation:

We know tha tCos(A-B) = cosA cosB + sinAsinB

Plugging A = 180 and B = Ф

cos(180-Ф)= cos180cosФ+sin180sinФ

= (-1) cosФ+ (0) sinФ [ since cos180=-1 and sin180 =0]

= -cosФ + 0

= -cosФ

Therefore option C is the correct answer.

6 0

3 years ago

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