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Nata [24]
3 years ago
13

HELP I NEED IT QUICK

Mathematics
1 answer:
Vladimir79 [104]3 years ago
5 0

Answer:

cos27 = 2/HJ

HJ = 2/0.89

= 2.24 units

sin27 = HI/2.4

HI = 0.89×2.4

= 2.13 units

sinH = 2/2.4

= 0.833

H = sin inverse 0.833 = 56.4°

hope it helps :D

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Are survival rates independent of gender within similar passenger classes ?
DedPeter [7]

Answer:

yes

Step-by-step explanation:

Women had a much higher chance of survival — regardless of what class they were in — then men did. Of the 466 women on board, 339 survived. Of the 843 men on board, only 161 survived — a measly 19% compared to the 73% of women who made it safely back to shore.

7 0
2 years ago
- What is the complete factorization of 4x2 – 24xy + 36y2 ?​
Rzqust [24]

<u>Answer: </u>

The complete factorization of 4 x^{2}-24 x y+36 y^{2} are 4(x-3y)(x+3y)

<u>Solution:</u>

Given Data:

4 x^{2}-24 x y+36 y^{2}

Take common value in all the three term.so we take 4 as common term in the above expression

4 x^{2}-24 x y+36 y^{2}=4\left(x^{2}-6 x y+9 y^{2}\right)

Now factorize the expression \left(x^{2}-6 x y+9 y^{2}\right)

Find the two numbers, whose product should be 9 and sum should be -6.

-3,-3 are the numbers which satisfy the above condition.

When we add -3-3=Sum is 6

Product of -3 \times -3= 9  

-3 , -3 satisfies the condition.

So the expression will become as x^{2}-6 x y+9 y^{2} = x^{2}-3 x y-3 x y+9 y^{2}

Take the common term

x(x-3y)+3y(x-3y)  

(x-3y)(x+3y)  

hence the complete factorization of 4 x^{2}-24 x y+36 y^{2} are 4(x-3y)(x+3y)

5 0
3 years ago
If the volume of a rectangular prism was 45 cubic feet, what would be the volume of a rectangular pyramid with the same area bas
alexandr1967 [171]

Answer:

1/3 of 45 = 15 cubic feet

Step-by-step explanation:

volume of rectangular prism = (B)(h)

volume of rectangular pyramid = 1/3(B)(h)

8 0
3 years ago
I don't get how to do this so plz help me out and also click on the picture
Jlenok [28]
You have to distribute it or use FOIL (if u know that method). This is basically factoring.
for instance:
(2x-9)×(x+4)
first: 2x × x = 2x^2
second: 2x × 4 = 8x
third: -9 × x = -9x
forth: -9 × 4 = -36

now combine like terms.
2x^2 + 8x -9x - 36
(8x and -9x are like terms)
(add the two together, which is -1x or -x)
2x^2 -x -36 is ur answer

now do this same method for the rest
4 0
3 years ago
Find the value of x that makes the following equation true<br> - 4x + 26 = -2
Iteru [2.4K]

Answer:

first collect the like terms so that you have -4x is equals to -2 - 26 then negative 4x is equals to -28 divided by -4x is equals to 7

5 0
3 years ago
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