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2 years ago

Multiply.

Mathematics

1 answer:

Vedmedyk [2.9K]2 years ago

3 0

Answer:

Hello, There! i Noticed that your Question is 4.62 x 106 I'm Suggesting you mean 4.2 x 10 to the 6th power.

4,620,000 Is the Correct Answer My Friend! <3

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Hope this helps!

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Which is the simplified form of r-7 +s-12?

polet [3.4K]

We can combine only the numerals -7 and -12: r + s - 19.

Next time, please share the answer choices. Thank you.

3 0

3 years ago

Lowering powers write in terms of first power of cosine. Cos^6

yaroslaw [1]

The main identity you need is the double angle one for cosine:

$\cos^2x=\dfrac{1+\cos2x}2$

We get

$\cos^6x=(\cos^2x)^3=\left(\dfrac{1+\cos2x}2\right)^3=\dfrac{(1+\cos2x)^3}8$

Expand the numerator to apply the identity again:

$\cos^6x=\dfrac{1+3\cos2x+3\cos^22x+\cos^32x}8$

$\cos^6x=\dfrac{1+3\cos2x+3\left(\frac{1+\cos2(2x)}2\right)+\cos2x\left(\frac{1+\cos2(2x)}2\right)}8$

$\cos^6x=\dfrac{1+3\cos2x+\frac32+\frac32\cos4x+\frac12\cos2x(1+\cos4x)}8$

$\cos^6x=\dfrac5{16}+\dfrac7{16}\cos2x+\dfrac3{16}\cos4x+\dfrac1{16}\cos2x\cos4x$

Finally, make use of the product identity for cosine:

$\cos2x\cos4x=\dfrac{\cos6x+\cos2x}2$

so that ultimately,

$\cos^6x=\dfrac5{16}+\dfrac7{16}\cos2x+\dfrac3{16}\cos4x+\dfrac1{32}\cos2x+\dfrac1{32}\cos6x$

$\cos^6x=\dfrac5{16}+\dfrac{15}{32}\cos2x+\dfrac3{16}\cos4x+\dfrac1{32}\cos6x$

4 0

3 years ago

Prove that x+1 is a factor of x^n+1 where n is an odd positive integer.

egoroff_w [7]

Answer:

because x^n+1 =

the number which is n and n is an odd number and my odd number is 3 so

x^3+1= 4

= x^4

7 0

3 years ago

The ratio of male teachers to female teachers in a school is 1 to 5. If there are 60females teachers how many male teachers are

ANTONII [103]

Answer:

There are 12 male teachers.

Step-by-step explanation:

Ratio of male teachers to female teachers in a school is 1 to 5.

For every 1 male teacher, there is one female teacher.

There are 60 female teachers.

Divide 60 by 5 = 12.

12 times 1 = 12

There are 12 male teachers.

3 0

3 years ago

10×10×25= show your work please

zalisa [80]

10 ×10 = 100
100 ×25 = 2500
so your answer is 2500

3 0

3 years ago

Read 2 more answers