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r-ruslan [8.4K]
2 years ago
14

bsmiddle" class="latex-formula">
Mathematics
1 answer:
Morgarella [4.7K]2 years ago
4 0

Answer:

(x - 8)(x + 7)

Zeroes: x = 8, x = -7

Step-by-step explanation:

Find factors of -56 that add to -1.

-8 and 7

The factored form is:

(x - 8)(x + 7)

The zeroes for this polynomial are x = 8 and x = -7

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Yo can someone please help me ​
exis [7]

Answer:

<h2>Addition Property of Equality</h2>

Step-by-step explanation:

When doing algebra, you need to reverse operations. When you reverse an operation, you use one of the properties. For example, if you add 3x to undo subtracting 3x, you are using the addition property of equality, because the equation still equal.

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6 0
3 years ago
Which of the following is the equation of a line in slope-intercept form for a
Arada [10]

The slope intercept formula is:

y = mx + b

m is the slope  

b is the y-intercept

In this case the slope is...

1

The y-intercept is...

(0, -4)

Plug these numbers in for m and b respectively:

y = 1x + (-4)

y = x - 4

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7 0
3 years ago
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Angle math Hw. Pls help
timurjin [86]

Answer:

x = 45°

Step-by-step explanation:

We can tell that "x + 115" and 160° are vertically opposite angles, which means that they are equal. (Refer to image)

⇒ x + 115 = 160

⇒ x = 160 - 115

⇒ x = 45°

Learn more about vertically opposite angles: brainly.com/question/68367

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6 0
2 years ago
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a cylinder shaped can needs to be constructed to hold 400 cubic centimeters of soup. the material for the sides of the can costs
fredd [130]

The dimensions of the can are radius of can = 4cm and

height of can = 78.6cm

What is the volume of cylinder?

A cylinder can be seen as a collection of multiple congruent disks, stacked one above the other. In order to calculate the space occupied by a cylinder, we calculate the space occupied by each disk and then add them up.

Thus, the volume of the cylinder can be given by the product of the area of base and height.

Volume of cylinder = πr²h

According to the given question:

We have V cylinder = V = 400cc

We will first find the areas involved

Let x = radius of base then area of the base =  π*x² and this is the area of the top too

For lateral area we need to get h the height of the cylinder as function of x

V = πx²h   ⇒  h= v/πx²    ⇒   h = 400/πx²

Now the total area of the cylinder is:

A(x) = Area of the base + area of the top + lateral area

A(x) = 2*π*x² + 2πx h ⇒  A(x) =  2*π*x² + 2πx (V/πx² )

A(x) =  2*π*x² + 800/x

Taking derivatives:

A´(x)  =  4πx  - 800/x²

A´(x) = 0                4πx  - 800/x² =0     ⇒ πx - 200/x² = 0

( πx³  -  200 )/ x²  = 0      

πx³  -  200 = 0      

x = 4 cm

and h = 400/πx²    ⇒  h = 78.6 cm

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3 0
1 year ago
Please help me with this question.
ruslelena [56]

Answer:

Step-by-step explanation:

-1 ≤ x < 3    Solution set = {-1, 0 ,1 , 2}

-2 < x < 2   Solution set  = {-1 , 0 , 1}

Integer values that satisfies both inequalities are -1 , 0 , 1

6 0
3 years ago
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