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harkovskaia [24]
3 years ago
15

https://brainly.com/question/10271541 SIMPLIFY THE EXPRESSION!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
lbvjy [14]3 years ago
4 0
The answer is zero  (0)

faltersainse [42]3 years ago
3 0
5 = (1/5)*x-3 // - (1/5)

3- ((1/5)*x)+5 = 0

(-1/5)*x+3+5 = 0

(-1/5)*x = 0 // -8

8-1/5*x = -8 // : -1/5

x= -8/(1/5)

x=40
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if one face of a cube has an area of 6.75 square inches , what is the surface area of the entire cube ?​
Travka [436]

Answer:

40.5

Step-by-step explanation:

a cube has 6 faces so 6.75 x 6 = 40.5

3 0
3 years ago
Fertilization takes place when: a sperm cell joins an egg a sperm cell starts developing an egg starts growing an egg is laid
andreev551 [17]

Answer:

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Step-by-step explanation:

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3 0
2 years ago
Find f(2) if f(x) = 3x3 - 12x2
marissa [1.9K]
F(2) is same thing as saying x =2
So just plug in 2 for x and solve for x

3*(2)^3 - 12*(2)^2 =

3*8 - 12*4 =
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8 0
2 years ago
If a two-sided null hypothesis is rejected for a single mean at a given significance level, the corresponding one-sided null hyp
maria [59]

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Step-by-step explanation:

3 0
3 years ago
18. One number is 3 less than a second number. Twice the second number is 12 more than 3 times the first.
bekas [8.4K]

Answer: The numbers are -3 and - 6

Step-by-step explanation:

Let the first number be x and the second number be y , then from the first statement we have

x + 3 = y  ............. equation 1

From the second statement

2y  = 3x + 12 ............ equation 2

solving the resulting simultaneous equation by substitution method ,we have:

substitute x - 3= y  into equation 2 , we have

2( x + 3) = 3x + 12

2x + 6 = 3x +  12

2x - 3x = 6

x = -6

substitute x = - 6 into equation 1 , that is

- 6 + 3 = y

Therefore ,

y = -3

2y = 3y + 3

Check:

x + 3 = y , implies

-6 + 3 = -3 = y

Also 2y = 3x + 12 , implies

2(-3) = -6

3(-6) + 12 = -6

4 0
3 years ago
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