MATHEMATICS HIGH SCHOOL

Given scalene right triangle with an acute angle of 65°.To the nearest tenth of a foot, determine the value of h.

A. 1.7
B. 1.9
C. 3.6
D. 8.6

Answers

Answer 1
Answer: The answer would be 8.6 I believe :)
Answer 2
Answer:

Answer:

8.6

Step-by-step explanation:

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For non-zero denominators, simplify: (3a^3-75a)/(a(a+5)(a+5))

Answers

(3a^3-75a)/(a(a+5)(a+5))=(3a(a^2-25) )/(a(a+5)(a+5))=(3a(a - 5)(a+5) )/(a(a+5)(a+5)) =(3 (a - 5) )/( (a+5) )

Algebra:

y= x+4
y= -x+2

Answers

to solve for the variables y and x we substitute the second equation into the first meaning that y = -x +2 you substitute y for (-x+2)
so

(-x +2) = x +4
add x to both sides
2 = 2x + 4 
subtract 4 from both sides
-2 = 2x
divide by 2
-1 = x

now plug x back into the original equation

y = (-1) + 4
y = 3

and 

y = -(-1) + 2
y = 1 +2
y = 3

there you have it x = -1 and y = 3

Hope this helps ;)
to solve what you need to do is 
if y=x+4
and y=-x+2 so both equations have to equal the same thin so 
x+4=-x+2
combine like terms and you get x=-x-2
then next equals 2x=-2
divide by 2 and last you get x=-1 

What is the absolute value of -3?


3
- 1/3
-3
1/3

Answers

The absolute value of -3 is 3 and -3 so both would be right

You are building a rectangular deck. The area of the deck should be 250 ft.² . You want the lengths of the deck to be 5 feet longer than twice its width. What should the dimensions of the deck be?

Answers

et the width be x 
"the length of the deck to be 5 ft longer than twice its width" --- >length = 2x+5 

then 
x(2x+5) = 250 
2x^2 + 5x - 250 = 0 
(x - 10)(2x + 25) = 0 
x = 10 or x is a negative, which makes no sense 

width = 10 
length = 25 

check: 
is the length 5 more than twice the width ?? yes 
is the area 250 ? yes

(3) - 4/5 (5) + 2/9 - 2/3 (3) - 1/5 (5)

Answers

-3.77777777778 is going to be your answer
I did this problem and got 25 u 1/3

An action movie earned $89,200,000. An animated movie earned $92,400,000. Round each money amount to the nearest hundred million. About how much money did the two movies earn altogether?A. $100,000,000


B. $140,000,000


C. $141,000,000


D. $200,000,000

Answers

So just add them first okay?892 ignore those 0's because they'll make it more complicated, so 892+924 is?1,816. Then add the 0's you get? 181,600,000. Round to the nearest hundred million?That is the ninth number, which is the 1 before 8. So then 8 is greater than five, so answer is 200,000,000 D.
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