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Nitella [24]
3 years ago
5

Graph the linear equation y=2x-1.

Mathematics
1 answer:
Papessa [141]3 years ago
8 0

Answer:

https://youtu.be/R0A-fEUWv1Y

Step-by-step explanation: I found this vid just watch this I hope it helps (just copy and paste)

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20 points to help with this
Vikentia [17]

Answer:

Help what?

Step-by-step explanation:

6 0
2 years ago
C G<br> Write a quadratic function f whose zeros are -9 and 2<br> I
yan [13]
Zeros are -2 and -8
Functions are =-2 and -8
(X + 2) (X + 8)
X to the power of 2 + 8x + 2x+16
= x to the power of 2 + 10x + 16
3 0
2 years ago
You can model the population of a certain city between 1955-2000 by the radical function
OverLord2011 [107]

<em><u>Complete Question:</u></em>

You can model the population of a certain city between 1955-2000 by the radical function

P(x) = 55,000 sqrt x-1945

Using this model, in which year was the population of that city 275,000?

<em><u>Answer:</u></em>

In 1970 population of that city is 275,000

<em><u>Solution:</u></em>

Given that,

<em><u>You can model the population of a certain city between 1955-2000 by the radical function :</u></em>

P(x) = 55000\sqrt{x - 1945}

To find: year in which was the population of that city 275,000

Therefore,

x = ?

P(x) = 275000

Thus we get,

275000 = 55000\sqrt{x - 1945}\\\\Divide\ both\ sides\ by\ 55000\\\\\frac{275000}{55000} = \sqrt{x-1945}\\\\5 = \sqrt{x - 1945}\\\\Take\ square\ on\ both\ sides\\\\25 = x - 1945\\\\x = 1945 + 25\\\\x = 1970

Thus, in 1970 population of that city is 275,000

4 0
2 years ago
Which number is equivalent to 0.000 000 1 : 10^7 or 10^-7 and why
kondaur [170]
It would be 10^-7.

When you have a negative number in scientific notation, you count a whole zero and start counting behind the decimal point because a negative number is less than 0. So, it cannot have a value over 0. Though if it was after the decimal, it would be the positive answer because a positive number is higher than 0.

An example would be:
10^-3=0.001
10^3=1000




4 0
3 years ago
A right triangular prism is constructed so that it's height is equal to the leg length of the base. What expression represents t
Verdich [7]

Answer:

A) \frac{1}{2}x^3

Step-by-step explanation:

The volume of a triangular prism can be found using the formula

V=Ah (1)

where

A is the area of the base

h is the height of the prism

Here, the base is a right triangle; the area of a triangle is

A=\frac{1}{2}bh'

where

b is the base

h' is the height of the triangle

Here, the triangle has the two sides equal, and it is a right triangle, so we have

b=h=x

So the area of the base is

A=\frac{1}{2}x\cdot x = \frac{1}{2}x^2

We also know that the height of the prism is equal to the leg length of the base, so

h=x

Therefore substituting into (1) we find:

V=\frac{1}{2}x^2 \cdot x = \frac{1}{2}x^3

3 0
3 years ago
Read 2 more answers
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