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OLga [1]
2 years ago
6

How to solve f(4) = x^2+7x-22

Mathematics
1 answer:
geniusboy [140]2 years ago
6 0

Answer:

22

Step-by-step explanation:

1. Plugin 4 for each corresponding X value

2. Should look like 4^2+7(4)-22

3. Once ran through a calculator you should end up with a value of 22

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Given a cylinder with a radius of 5cm and a height of 8 cm, find the volume of the cylinder. Use 3.14 for T.
Radda [10]

Answer: V=628cm³

Step-by-step explanation:

V=(3.14)r²h

V=(3.14)(5²)(8)

V=628cm²

Hope this helps! Have a great night!

6 0
2 years ago
Help me please! it’s short and you don’t have to explain it
OLga [1]

Answer:

c

Step-by-step explanation:

8 0
3 years ago
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Answer:

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5 0
3 years ago
What is the value of x?
Alenkinab [10]
1. The value of x is 4. X + 4 = 4 + 4 = 8
4 0
3 years ago
Someone please help me. Thank you!
Marysya12 [62]

Answer:

y = -1/2x

Step-by-step explanation:

Okay, so you probably heard of the slope-intercept form, y = mx + b. We have to use that formula to create a line that goes through (2,1), because thats the bisector.

Let's have our point start at the origin, (0,0). This you make our equation of y=mx+b   <u>into</u>   y = mx + 0. Since it's 0, let's just <em>drop</em> it out of our equation.

So now for slope. Rise/Run is what we're going to use to create our slope. Since we started at the origin, our slope is going to be negative. We can go down one over two from the origin to get to points (2,1) so why can't that be our slope? We're rising -1, and running 2, making our slope -1/2. In the equation, it would be y= -1/2x + 0, which can be simplified into y = -1/2x

It's a lot of writing and explaining, so I hope this helps! Try asking your teacher just to make sure it's correct.

3 0
2 years ago
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