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Alexxx [7]
3 years ago
10

Which expressions are equivalent to 2 ( 4 f + 2 g ) Choose 3 answers

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
4 0

Answer:

Since there are no choices to choose from, I'll make it up.

8f + 4g

8(f + 1/2g)

4(2f + g)

Hope this helps!! Please mark as brainliest if you don't mind! Thanks ^^

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a bag holds 1200 marbles colored either blue, red, green, or pink. there are 2 more blue than green, 6 more green than red and 6
krek1111 [17]
B = 2 + g . . . (1)
g = 6 + r . . . (2)
r = 6 + p . . . (3)

Putting (3) into (2) gives:
g = 6 + 6 + p = 12 + p . . . (4)
Putting (4) into (1) gives:
b = 2 + 12 + p = 14 + p . . . (5)

b + g + r + p = 1200
2 + g + 6 + r + 6 + p + p = 1200
2 + 12 + p + 6 + 6 + p + 6 + p + p = 1200
32 + 4p = 1200
4p = 1200 - 32 = 1168
p = 292

From (5), b = 14 + p = 14 + 292 = 306

Therefore, there are 306 blue mables.
8 0
3 years ago
Factor x^3-4x^2-3x+18=0 given that 3 is a zero.
Mandarinka [93]

Answer:

B: (x + 2)(x - 3)^2

Step-by-step explanation:

This is only going to have 3 roots. One of them is (x - 3)

D does not look right. So let's solve it using synthetic division.

3 || 1    - 4      -3       18

            3       -3      -18

========================

     1     -1       -6        0


So what you have is a quadratic

  • x^2 - x - 6 = 0 which will factor
  • (x - 3)(x + 2) = 0
  • x - 3  = 0
  • x = 3
  • x + 2 =0
  • x = - 2
  • (x - 3)(x - 3)(x + 2 ) = 0

The answer is B

3 0
3 years ago
Which of the following is a Type I​ error?
Sedaia [141]
Answer:

C. The president rejects the hypothesis that the proportion of students who earn a​ bachelor's degree within six years is 0.398​, ​when, in​ fact, the proportion is 0.398.

Step-by-step explanation:

A type I error occurs if you reject the null hypothesis when it is true.

Now the hypotheses are:

H_0: The proportion is 0.398

H_1: The proportion is less than 0.398

If in actual fact the proportion is 0.398, then the president must not reject the H_0.

This is a correct decision.

If in actual fact the proportion is 0.398, and the president rejects the H_0, then a type I error is committed.

The correct choice is C.
3 0
3 years ago
The circle shown below has a diameter of 22 centimeters. What is the
skad [1K]
The answer is C. 301 cm2
3 0
3 years ago
A student was trying to find the solution to a system of equations, but they were incorrect. Their explanation is shown below.
Lady_Fox [76]

Answer:

no solution

Step-by-step explanation:

if you subtract the equations then you get 0 = 8 and this can never be true; therefore there are no solution

7 0
3 years ago
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