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inysia [295]
3 years ago
14

Can you help me with the first one

Mathematics
1 answer:
kodGreya [7K]3 years ago
7 0
From what I see B. is 20 but for C I can't see the complete question
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the lenght of the longer leg of a right triangle is 9 ft longer than the lenght of the shorter leg x. The hypotenuse is 9 ft sho
trasher [3.6K]

Answer:

see below

Step-by-step explanation:  5 23  8 03

the lenght of the longer leg of a right triangle is 9 ft longer than the lenght of the shorter leg x. The hypotenuse is 9 ft shorter than twice the lenght of the shorter leg.

shorter leg    = x

longer leg     = x + 9

hypotenuse  =  2x - 9

Pythagorean theorem  =    a² + b²  = c²

             shorter-leg² + longer-leg² = hypotenuse²

                         x²  +  (x+9)²  = (2x - 9)²                  solve for x

                  x² +  (x+9) (x+9)  =  (2x - 9)(2x - 9)

                 x² +  (x²+18x+81)  =  (4x² - 36x + 81)

                       (2x²+18x+81)  =  (4x² - 36x + 81)

                                          0 =   2x² -54x

                                          0 =  x(2x - 54)  

                           0 = x      and         0 = 2x -54  

                                                       54 = 2x

                                                      27 =  x

shorter leg    = 27        

longer leg     = 36

hypotenuse  =  45

divided all the values by 9 and you get a 3, 4, 5  right triangle, so the answer checks correct  

           

6 0
3 years ago
Lukas is packing boxes of food for a homeless shelter. He has rice and cans that he is packing into the boxes. He packs 3 carton
fgiga [73]

Answer:

9 cans per box

Step-by-step explanation:

72/8 = 9

...

3 0
3 years ago
Please help me and fast please!!!!
Novosadov [1.4K]

Answer:

b I think

Step-by-step explanation:

it would need to be a positive line so that eliminated A. also D is not it because the calories will go up, and not stay the same. this leaves is with B and C. I think that it is B because you have to start at 0. hope this helped!

4 0
3 years ago
Read 2 more answers
Pls answer this pls i’m gonna die
Naily [24]

It 's an isosceles triangle if you look carefully. 2 Sides of the triangle are equal which is denoted by those marks. The angles opposite to the equal sides are always equal, so: m\angle FST = 64^\circ

By angle sum property, m\angle TFS = 180 - 2 * 64 = 180 - 128 = 52^\circ

52 degrees is the answer: Option D :D

3 0
3 years ago
Read 2 more answers
Which is the equation of the line with slope 5 that contains point (-2, -3)
lidiya [134]
The answer is y = 5x + 7
here's how you get it:

Start with the base   y = mx + b
then imput the points and the slope:
-3 = 5 ( -2 ) + b

Then solve for b
-3 = 5 ( -2 ) + b
-3 = -10 + b
-b = -7
b = 7

so the equation is:

y = 5x + 7

8 0
3 years ago
Read 2 more answers
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