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masha68 [24]
3 years ago
6

Simplify 6x+(- 9)-9(5x+5)+x

Mathematics
2 answers:
Hatshy [7]3 years ago
4 0

Answer:

Step-by-step explanation:

I've already answered this question.

liq [111]3 years ago
3 0

Answer:

-38x-54

Step-by-step explanation:

6x+(-9)-9(5x+5)+x

6x-9-9(5x+5)+x

6x-9-45x-45+x

-38x-9-45

-38x-54

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Name the subsets of the real numbers to which each number belongs. The square root of 11
Zolol [24]

Well the answer for the square root of 11

irrational number

and real number


4 0
3 years ago
Match the formula to the correct figure.
ss7ja [257]
It is asking you to move the right formula with its match.

Formula for a cylinder: π*R^2*H
So the first option goes to the first shape.

Example: 
Radius=5
Length=10
π≈3.14
3.14*5²*10
=725 cm³ for the answer. 

Formula for a square: l*w*h

So the 4th option goes with the 2nd shape. 

Example: l=5 w=5 h=5
(Length * Width * Hieght) 

5*5*5=125 for the answer.

Formula for a cone is: 1/3π*r^2*h
So the second option goes to the 3rd shape. 

Example: r=3 h=11 
π≈3.14
\frac{1}{3} *3 ^{2} *11=33
33 is your answer. 

Formula for the pyramid would be: 1/3*b*h
So the 3rd option would go to the 4th shape.

Example: 
b=2 h=10
\frac{1}{3} *2*10=6.666667
Rounded: 6.6

Hope this helps!~

(Look at the attachment)

6 0
3 years ago
Read 2 more answers
The range of the function f(k) = k2 + 2k + 1 is {25, 64}. What is the function’s domain? {5, 8} {-5, -8} {3, 8} {4, 7} {4, 8}
Savatey [412]
The range is the ouutput from inputing the input
basically
25=k²+2k+1 and 64=k²+2k+1
the values that satisfy both equations (not at the same tim) are the valuess that are the domain
solve each
25=k²+2k+1
minus 25 both sides (or recognize the perfect square trinomial, but anyway)
0=k²+2k-24
factor
0=(k+6)(k-4)
set to zero
k+6=0
k=-6
k-4=0
k=4
k=-6 or 4

64=k²+2k+1
minus 64 both sides
0=k²+2k-63
facor
0=(k-7)(k+9)
set to zer
k-7=0
k=7
k+9=0
k=-9
k=-9 or 7



so the domain has the numbers
-9,-6,4,7
it seems we only want the positive square roots so
answer is {4,7} is the domain
3 0
3 years ago
What is the value of y in the equation 4+y = −3?
Masja [62]
The answer to your question is y=-7
3 0
3 years ago
Read 2 more answers
HELPPP MEEEE PLEASE!
Nataly [62]

Answer:

What is that

Step-by-step explanation:

I am scared of math

6 0
3 years ago
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