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Vaselesa [24]
3 years ago
12

Expand (8h-3j)^4 step by step and correct answer​

Mathematics
1 answer:
Inga [223]3 years ago
7 0
Write 4 as a sum (8h-3j)^2+2
Use a m+n=a m•a n to expand the expression
(8h-3j)^2 x (8h-3j)^2
Use (a-b)^2= a^2... -2ab+b^2 to expand the expression
(64h^2 - 48hj+ 9j^2)x(64h^2 - 48hj+ 9j^2)
Multiply the parentheses and after you get your answer you collect like terms.
Your answer should be:
4096h^4 - 6144h^3j + 3456h^2j^2 - 864hj^3 +81j^4

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HELP TIMED QUIZ AND I DONT KNOW THE ANSWER!!
GuDViN [60]

Answer:

18 women

Step-by-step explanation:

What we know:

5/8 of the orchestra are male player, and 3/8 are female.

5/8 is a 1/4 more than 3/8.

If 12 is 1/4 of x, then x is 48.

Multiply 48 by 3/8 to get your answer.

48*3/8 = 144/8 = 18 women

3 0
3 years ago
What is the range of y = sin θ ?
kap26 [50]
The range<span> of a function is the set of all the possible function outputs. </span>We know that <span>sin theta varies between -1 and 1 if we draw a graph. </span><span>According to the graph, the largest number that is an output of </span>g<span> is -1</span><span>, and the smallest number is 1</span><span>. Every number between them is also an output of </span>g<span> for some input. Therefore, the range of </span>g is [-1,1]. <span>

</span>
5 0
3 years ago
Read 2 more answers
Write an equation in point-slope form and slope-intercept form for the line.
Ber [7]

Answer:

y = 5- 36

Step-by-step explanation:

6 is the x

-6 is the y

y=mx+b

so m times x, m is the slope

5 times 6 is 30

-6=30+b

so -36

y=5x-36

SORRY IF IM WRONG I TRIED

8 0
3 years ago
Kyra observed that 85% of the students at a library liked reading mystery stories. If 30 students at the library did not like re
Nadusha1986 [10]
85% liked => 15% didn't like

30 = 15% of x
30 = 0.15 x => x = 30 / 0.15 = 200. This is the total number of students at the library.

Then 200 - 30 = 170 is the number of students whom did like reading mistery stories.

Answer: 170.


3 0
3 years ago
13. A rectangle has a width that is twice as long as its length and an area of 722 square inches. Find the length of the diagona
LekaFEV [45]

Answer:

The diagonal of the rectangle is approximately 42.5 inches.

Step-by-step explanation:

The area of a rectangle is given by the following formula:

area = width*length

In this case the width = 2*length, therefore we have:

area = 2*length²

722 = 2*length²

2*length² = 722

length² = 361

length = sqrt(361) = 19 inches

width = 2*length = 2*19 = 38 inches

The diagonal forms a right triangle with the sides of the rectangle, where it is the hypotenuse. Therefore we can use Pytagora's theorem:

diagonal = sqrt(length² + width²)

diagonal = sqrt(19² + 38²) = 42.485 inches

The diagonal of the rectangle is approximately 42.5 inches.

8 0
4 years ago
Read 2 more answers
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