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tekilochka [14]
3 years ago
13

Help me with this one

Mathematics
2 answers:
professor190 [17]3 years ago
7 0
Y-32+Y(4)
thats the answer
Cloud [144]3 years ago
3 0
The answer would be, y - 32 + 4y
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Christina is planning a dance routine. at the end of each measure of music, she will make a 1 1/4 turn. how many turns will she
ANEK [815]
1 \frac{1}{4} is equal to \frac{5}{4}  ( \frac{4}{4} +  \frac{1}{4} ). To get your answer all you need to do is multiply the numerator 5, by the number of times Christina goes through the routine. You therefore get the answer:
\frac{5*3}{4} =  \frac{15}{4}
this simplifies to 3 \frac{3}{4}
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3 years ago
In ΔMNO NM = 3 cm, NO = 4 cm and MO = 5 cm. List the angles in order from smallest to largest.
solong [7]

Answer:

NM, NO, MO

Step-by-step explanation:

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3 years ago
There are 5 envelopes in a box. The envelopes contain a penny, a nickel, a dime, a quarter, and a half-dollar. A person selects
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7 0
3 years ago
See the ​attached file.
Masja [62]

f(x) = 4x - x^2

1)

f(4) = 4(4) - 4^2 = 16 - 16 = 0

f(-4) = 4(-4) - (-4)^2 = -16 - 16 = -32

f(4) - f(-4) = 0 - (-32) = 32

2)

f(3/2) = 4(3/2) - (3/2)^2

f(3/2) = 6 - 9/4 = 15/4

√f(3/2) = √(15/4) = √15 / 2

3)

f(x + h) = 4(x + h) - (x + h)^2

= 4x + 4h -(x^2 + 2xh + h^2)

= 4x + 4h -x^2 - 2xh - h^2

f(x - h) = 4(x - h) - (x - h)^2

= 4x - 4h -(x^2 - 2xh + h^2)

= 4x - 4h -x^2 + 2xh - h^2

So

[f(x + h) -f(x - h) ] / 2h

= [4x + 4h -x^2 - 2xh - h^2 - ( 4x - 4h -x^2 + 2xh - h^2 )] / 2h

=( 4x + 4h -x^2 - 2xh - h^2 - 4x + 4h + x^2 - 2xh + h^2 ) / 2h

= (8h - 4xh) / 2h

= 2h(4 -2x) / 2h

= 4 - 2x

Answer: [f(x + h) -f(x - h) ] / 2h = 4 - 2x

3 0
3 years ago
Please help me Answer the encircled numbers only
MrRissso [65]
I hope this helps you

3 0
3 years ago
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