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e-lub [12.9K]
2 years ago
7

X + 3x² – 28x Can you guys help me solve this in ax^2+bx+c Thank you thank you

Mathematics
1 answer:
Molodets [167]2 years ago
3 0

Answer:

3x²+(-27x) +0

Step-by-step explanation:

The given expression is :

x + 3x² – 28x

We need to solve this in the form of ax²+bx+c.

we can write the given expression as :

3x²-28x+x = 3x²-27x

= 3x²+(-27x) +0

If we compare the given expression with the general expression, we find that,

a = 3, b = -27 and c = 0

Hence, the required equation is 3x²+(-27x) +0.

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What is (1, -2) and (2, 2) as a linear equation
frutty [35]

Answer:

y=4

Step-by-step explanation:

y=2+2/2-1

y=4

8 0
2 years ago
1/3 cup of flour is used to make 5 dinner rolls.
Radda [10]
Divide.

1/3 / 5

Or multiply by the reciprocal of 5:

1/3 * 1/5 = 1/15

Therefore 1/15 cup of flour is used to make 1 dinner roll.

We can set up a proportion:

5/1/3 = x/5 2/3

Multiply 5 2/3 to both sides:

28 1/3 / 1/3 = x

85 = x

So 85 rolls can be made with 5 2/3 cups of flour.
3 0
3 years ago
Read 2 more answers
Kevin is 3 times as old as Daniel. 4 years ago, Kevin was 5 times as old as Daniel. How old is Daniel now
matrenka [14]
<span>K = 3D. K - 4 = 5(D - 4). K - 4 = 5D - 20. K = 5D - 16. 3D = 5D - 16. 16 = 2D. D = 8. K = 3 x 8. K = 24.</span>
7 0
3 years ago
As part of a demographic study, a college administrator needed to survey a sample of students from the college. From each major
marissa [1.9K]

Answer:

Option D is correct

Step-by-step explanation:

The options for the question is

a)cluster sample

b)convenience sample

c)simple random sample

d)stratified random sample

e)systematic random sample

Solution

The sampling here comprises of students from all the major of college. Here the major can be considered as "strata" of the educational institute. Out of these, strata or majors five students are selected on random basis.

This is a form of stratified random sample

Hence, option D is correct

4 0
2 years ago
6 miles to feet<br><br> 24 centimeter to inches<br><br><br> 4 gallons of water to ounces
Ostrovityanka [42]

Answer: HOPE THIS HELPS! :D   ;P

6 miles is to 31680 ft

24 cm is to 9.45in.

4 gallons is to 512 oz.

Step-by-step explanation:

5 0
3 years ago
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