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Fed [463]
3 years ago
11

4 please help me with this

Mathematics
2 answers:
netineya [11]3 years ago
6 0

The height of the ramp (b)=10

inysia [295]3 years ago
5 0

Answer:

624

Step-by-step explanation:

Brainliest

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Can you please solve number 49? thank you in advance
Ivanshal [37]

Answer:

Option (c) is correct.

Step-by-step explanation:

See the attached figure.

Here, x + y = 10 cm. ............ (1)

The height h divides the whole right triangle into two different right triangles.

If we consider the height as h, then applying Pythagoras Theorem,  

h² = 6² - x² {From small triangle} ........... (2)

Again, from large triangle we can write,

h² = 8² - y² .............. (3)

Now, from equation (2) and (3) we can write  

6² - x² = 8² - y²

⇒ 36 - x² = 64 - (10 - x)² {From equation (1)}

⇒ 36 - x² = 64 - 100 - x² + 20x

⇒20x = 72

⇒ x = 3.6 cm.

So, from equation (1) we get, y = 10 - 3.6 = 6.4 cm.  

Therefore, option (c) is correct. (Answer)

4 0
4 years ago
What is the slope of the equation y – 3 = –4(x – 5)?e of the equation y – 3 = –4(x – 5)?
Len [333]

Answer:

The slope of the equation y-3=-4(x-5) is -4.

Step-by-step explanation:

This equation is written in point-slope form: y-y₁=m(x-x₁), where "m" is the slope or the equations.  In the equation y-3=-4(x-5), the -4 stands in the "m", or slope, spot, so the sope of this equation is -4.

6 0
3 years ago
Read 2 more answers
Please help!! thank you!!!
Ilya [14]

Answer:

6 times 10 times 3.

Then divide by three, I hope that helps

4 0
3 years ago
Read 2 more answers
The graph of f(x) = 3x2 – 5x – 22 passes through the point (0, –22) and one of its zeros is (–2, 0). What is the other zero of t
Anna [14]

Step-by-step explanation:

this is your answer....

7 0
3 years ago
The average (arithmetic mean) of 0, a, and b is 2a. What is the value of b in terms of a?
kramer
0+a+b
a=2
b=10
0+2+10=12/3=4
4=2a
5a is the answer.


3 0
3 years ago
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