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alexgriva [62]
2 years ago
13

Are the fractions equivalent?

Mathematics
2 answers:
kotykmax [81]2 years ago
5 0

Answer:

7. no  

8. yes

9. yes

10. no

Step-by-step explanation:

dangina [55]2 years ago
4 0

Answer:

7. no

8.yes

9.yes

10.no

I hope this helps!

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What word problem would fit for 7x+10=-3x-2
SSSSS [86.1K]

Answer:

A number is multiplied by 7 and the added to 10 and it is equal to when -3 is multiplied by the same number and then 2 is taken away. Find the number.

Step-by-step explanation:

interpretation: 7x+10=-3x-2

3 0
2 years ago
An artist used silver wire to make a square that has a perimeter of 40 inches. She then used copper wire to make the largest cir
Anit [1.1K]

Answer: The artist used 8.6 inches more of silver wire

Step-by-step explanation:

Perimeter of the square

P = 4*a

P = 4*a = 40 in

a = 10 in

Each side of the square has a length of 10 in

The diameter of the circle is equal to the length of the side of the square

Diameter = 10 in

Perimeter of the circle

P_c = 2*π*radius = π*diameter

P_c = (3.14)*10 in = 31.4 in

Inches of silver wire (square) = 40 in

Inches of copper wire (circle) = 31.4 in

40- 31.4 in = 8.6 in

4 0
3 years ago
Expand and simplify x(x + 2)(x + 4)
babymother [125]

Answer:

Step-by-step explanation:

Comment

Expand the second and 3rd factors first. Then worry about the x.

Solution

x(x + 2)(x + 4)

<em>first</em>: x * x =  x^2

<em>Outside</em>: 4*x = 4x

<em>Inside</em>: 2*x = 2x

<em>Last:</em> 2*4 = 8

Combine

x^2  + 4x + 2x + 8

x^2 + 6x + 8

Now is the time to worry about the extra x

x(x^2 + 6x + 8)

remove the brackets.

x*x^2 + x*6x + 8*x                

Combine

Answer: x^3 + 6x^2 + 8x            

           

5 0
1 year ago
N (x)=-5|x|– 2x-3,<br> what is n(-x)?
Reptile [31]

Answer:

n (x)=-5|-x|+ 2x-3,

Step-by-step explanation:

n (-x)=-5|-x|– 2(-x)-3

= -5|-x|+ 2x-3

5 0
2 years ago
Help please lol???????​
Vika [28.1K]
Back at it again, this time following directions. i beielive it should be 549.5 cm^3 using the V of a cylinder is pi x r^2 x h
4 0
2 years ago
Read 2 more answers
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