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dolphi86 [110]
3 years ago
5

PLEASE HELP QUICK I CANT FAIL THIS TEST

Mathematics
2 answers:
Hitman42 [59]3 years ago
6 0

Answer:

D

Step-by-step explanation:

2x2(4x3 - 3x2 + 6x)

= 2x²(4x³ - 3x² + 6x)

= 8x^5 - 6x⁴+ 12x³

Finger [1]3 years ago
5 0

Answer:

24+24x I believe is the answer. Good luck on your test :)

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if the radius of a sphere is tripled, the surface area of a sphere will increasea) by a factor of 3b) by a factor of 4c)by a fac
Vlad1618 [11]

Answer:

D

Step-by-step explanation:

The area and the radius of a sphere are related by the formula:

A=4πr^2

Let’s say this is A1 and r1

Now the radius is tripled. This means r2 = 3r1

The new area thus becomes: A = 4 * (3r)^2 * π = 36πr^2

Comparing A1 and A2 , we can see that A2 = 9A1

4 0
3 years ago
What is the mean for the data shown in the dot plot? 4 5 6 10
RSB [31]

Answer:

Mean = 6.25

Step-by-step explanation:

Data values: 4, 5, 6, 10

Mean = (Sum of all values)/(Number of values)

Mean = (4 + 5 + 6 + 10)/4

Mean = 25/4

Mean = 6.25

3 0
3 years ago
Read 2 more answers
Bryan made up a game. Each team starts with seven points. Each time a team answers a question correctly, they earn five points.
Margaret [11]
The given equation is:
t = 7 + 5q
where:
t is the total number of points
q is the questions answered correctly

We are given that the total of correct answers is 6 and we want to find the total number of points. Therefore, all we have to do is substitute with the number of answers in the given equation to get the total points as follows:
t = 7 + 5q
t = 7 + 5(6)
t = 7 + 30
t = 37 points
5 0
3 years ago
Read 2 more answers
You purchased 150 feet of chain that normally sells for $0.15 per inch. You were charged $22.50 for the sale. Was the price corr
icang [17]
No it was not correct because if there is 12 inches in one foot and you divid 150 by 12 you get 12.6. Then you would multiply 12.6 and .15 and you would get 20.40. So you were charged extra with out tax.
8 0
3 years ago
Select the words that mean the same as the Y-intercept. Select all that apply
d1i1m1o1n [39]

Answer:

i think its slope and initial value, so sorry if its wrong

Step-by-step explanation:

3 0
2 years ago
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