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3 years ago

I need help ! Can somebody help please ?

Mathematics

1 answer:

crimeas [40]3 years ago

3 0

Help me on my recent questions I’ll give BRAINLIEST even if they have a answer I just wanna make sure my problems are easy just need to make sure if they are correct I’ll give you BRAINLIEST

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On what interval (s) are f(x) = x3 2x²+x+6 decreasing?

sammy [17]

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6 0

3 years ago

Read 2 more answers

One counting number is 4 times great as a counting number.The product of the two number is 36.What is the sum of the two number

VARVARA [1.3K]

Answer:

The sum of the two numbers is 15

Step-by-step explanation:

Let the counting numbers be x and y.

Then we can write the following equations

x=4y.......1 (one is four times greater )

x(y)=36.....2 (the product of the two)

Putting equation 1 into equation 2, we get

4y(y)=36

${4y}^{2} = 36$

Dividing through by 4,we get

${y}^{2} = \frac{36}{4}$

${y}^{2} = 9$

Taking square root of both side, we obtain

y=3

Putting the value of y into equation , we get

x=4(3)=12

Hence the numbers are 3 and 12

Therefore the sum of the two numbers is 3+12=15

3 0

3 years ago

Lexi operates an orange juice stand. On Monday she used 4 bags of oranges. On Tuesday she used 1/2 as many oranges as on Monday.

Brut [27]

2 bags of oranges, 4/2=2

4 0

3 years ago

The area of a square equals the square of a length of the side of the square. The perimeter of a square equals the sum of the le

Murrr4er [49]

Answer:

Step-by-step explanation:

because the are la of the square is equal all sides of area

5 0

3 years ago

A paper company needs to ship paper to a large printing business. The paper will be

Kryger [21]

Answer:

x = 8

y = 11

Step-by-step explanation:

Total small box weight = 50x [x being the number of small boxes]

Total large box weight = 80y [y being the number of large boxes]

Total boxes = x+y = 19

Total weight = 1280

Determine x and y.

You know 2 equations. One for weight and another for number of boxes each.

1280 = 50x +80y
x+y = 19

Rewrite second equation:

x+y=19

y=19-x

You have to plug in one into another.

1280 = 50x + 80(19-x)

Solve for x

1280 = 50x + 1520 - 80x

-240 = -30x

x = 8

Solve for y by plugging in x into one of the equations:

8+y = 19

y = 11

5 0

2 years ago