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Varvara68 [4.7K]
4 years ago
8

Select all the values that are equivalent to the given expression. Express your answer in scientific notation.

Mathematics
1 answer:
lianna [129]4 years ago
7 0

Answer:

i literally had the same question and think its 6.432 × 10.5 and 64.32 × 10.5 im  not sure lol. lmk i suck at math

 

and btw the fives in the ten are actually exponents soo

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Simplify as far as possible.<br>1<br>3cos (180° + x)sin (360° - X)<br>sin (360° + x)cos (180° - x)​
KengaRu [80]

Answer:

See below

Step-by-step explanation:

cos (180 + x) = - cos x

sin (360 + x) = sin x

sin 360 - x) = -sin x

cos (180 - x) = - cos x

3cos (180° + x)sin (360° - X) = -3cos x (- sin x) = 3 cosx sinx

sin (360° + x)cos (180° - x)​ = sin x (- cos x) = -sinx cosx

3cos (180° + x)sin (360° - X)sin (360° + x)cos (180° - x)​

= 3 cosx sinx (-sinx cosx) = -3 (sin x)^2 (cos x)^2

I am not sure what the question really is, but hopefully the above can steer you in the right direction.

6 0
3 years ago
Can someone help me do 8 divided by 5.5?? Thanks!!
Viktor [21]
First you put 8 on the inside of a house and 5.5 on the outside. Then you take the 5.5 and see how many times it can go in 8 with out going over, in this case its once. So take 5.5 and subtract it under the 8. Since you used up the whole number, you have to put a decimal now, so put a decimal on the right side of the 1 on top of the house. Then, add a 0 next to the 8 and put it next to the answer of 8-5.5, which is 2.5, and now 25, the zero moving the number to the left once. Now you find out how many times 5.5 goes into 25, which is 4, adding that next to the decimal on top of the house. Now again, subtract 22, which is 4 x 5.5, from 25. Then add a zero, making 3, now 30.Now find how many times 5.5 goes into that, and it is 5. This 4 and 5 pattern will go on forever, so over the 45 in your answer 1.45, put a line. Like this      __
                                                          1.45
4 0
3 years ago
A marble is selected at random from a jar containing 4040 red​ marbles, 5050 yellow​ marbles, and 1010 green marbles. find the t
Elenna [48]
The answer will be total green plus total red divided by all existing marbles:
(1010 + 4040) / (1010 + 4040 + 5050) = 5050 / 10100 = 1/2 = 0.5

Answer: 0.5
7 0
4 years ago
Given the equation 8x - 2y = 4, what is the value of<br> slope (m) and the value of y-intercept (b)
r-ruslan [8.4K]

Answer:

slope (m) = 4

y-intercept (b) = -2

Step-by-step explanation:

3 0
3 years ago
Which expression is equivalent to (256x^16)^1/4<br> A.4x^2<br> B.4x^4<br> C. 64x^2<br> D. 64x^4
antiseptic1488 [7]

Given expression: (256x^{16})^{1/4}.

\mathrm{Apply\:exponent\:rule}:\quad \left(a\cdot \:b\right)^n=a^nb^n

=256^{\frac{1}{4}}\left(x^{16}\right)^{\frac{1}{4}}

256=4^4

256^{\frac{1}{4}}=\left(4^4\right)^{\frac{1}{4}}=4

\left(x^{16}\right)^{\frac{1}{4}}=x^{16\cdot \frac{1}{4}}=x^4

(256x^{16})^{1/4} =4x^4

<h3>Therefore, correct option is B option : B.4x^4</h3>
6 0
4 years ago
Read 2 more answers
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