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Talja [164]
3 years ago
14

I really need math help, it’s slopes

Mathematics
1 answer:
zalisa [80]3 years ago
6 0
Same LOL first tru the ones with the rise and run showed then try the others remember y=mx+b and your rules
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If all the dimensions of the rectangular pyramid are multiplied by 1/5, what is the effect on the volume
Pachacha [2.7K]

Answer:

If all the dimensions of the rectangular pyramid are multiplied by 1/5, the volume will be 125 times smaller.

Step-by-step explanation:

A rectangular pyramid has the following dimensions:

length(l), height(h) and width(w)

The volume is:

V = \frac{l*h*w}{3}

If all the dimensions of the rectangular pyramid are multiplied by 1/5

Then we have that:

l = \frac{l}{5}, w = \frac{w}{5}, h = \frac{h}{5}

The modified volume will be:

V_{M} = \frac{\frac{l}{5}*\frac{w}{5}*\frac{h}{5}}{3} = \frac{\frac{l*w*h}{125}}{3} = \frac{l*h*w}{125*3} = \frac{1}{125}(\frac{l*h*w}{3}) = \frac{V}{125}

So

If all the dimensions of the rectangular pyramid are multiplied by 1/5, the volume will be 1/125 of the original, that is, 125 times smaller.

4 0
3 years ago
Domain of y=3secx/4 is
sladkih [1.3K]
Umm I didn't get a domain.... No solutions were found... 
3 0
3 years ago
Find the cube of a+3​
Sedbober [7]

Answer:

(a+3)^3

a^3 + b^3 + 3ab [identity : (a+b)^3 )]

a^3+ 3^3 + 3×a×3

a^3 +27+9a

answer : a^3+27+9a

hope it helps you

mrk me braniliest plz

6 0
3 years ago
Read 2 more answers
For 4 or more songs, the cost varies directly as the number of songs. How much does it cost to master 6 songs?
KATRIN_1 [288]

Answer:

360

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
In 1998 the U.S. Hispanic high school dropout rate was 29.5% and in 2008 it had dropped to 18.3%.
Bogdan [553]
A. The drop-out rate can be estimated using the equation,

    d = my + b

where d is the drop-out rate, m is the slope of the line, y is the number of years from 1998 and b be the initial value. For 2008,

    18.3 = m(2008 - 1998) + 38.46

The value of m from the equation is -1.12. The equation becomes,

     d = -1.12y + 38.46

b. The vertical intercept of the model is when d is equal to zero.

    0 = -1.12y + 38.46

The value of y from the equation is 34.34.
   (34.34, 0)

c. n = 1990 + 34.34 = 2024.34. 

The vertical intercept of this problem tells me that by the year 2024, the drop-out rate would be 0%. 
    
5 0
3 years ago
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