What value of x will make the equation below true? x−4.5=9

Mathematics

1 answer:

lara31 [8.8K]3 years ago

7 0

Answer:

13.5

Step-by-step explanation:

9*4.5=13.5

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URGENT A virus is spreading by a factor of 2 every hour from 1:00 p.m. to 11:00 p.m. The function below shows the number of vira

Mars2501 [29]

Answer:

0 ≤ x ≤ 10

Step-by-step explanation:

The function representing the spread of virus is:

$f(x)=20(2)^{x}$

Where x represents the number of hours after 1:00 pm

So, at 1:00 pm "x" will be equal to 0. So the domain will start from x = 0

According to the given statement, the virus spreads from 1:00 pm to 11:00 pm. So, the number of hours starting from 1:00 pm and ending on 11:00 pm will be the Domain. 11:00 pm means 10 hours after 1:00 pm i.e. x = 10

So, the domains starts at x = 0 and ends at x = 10. Therefore, the correct answer is 0 ≤ x ≤ 10

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kramer

Answer:

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Step-by-step explanation:

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Deion has a 3/4 pound bag of dog treats. he will give his dog 1/8 pound of the treats after they play each day how many days wil

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If u make them common denominators, then the bag would be 6/8

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34. For the following exercises, given each set of information, find a linear equation satisfying the conditions, if possible.

skad [1K]

Answer:

The linear equation for the line which passes through the points given as (-1,4) and (5,2), is written in the point-slope form as $y=\frac{1}{3} x-\frac{13}{3}$ .

Step-by-step explanation:

A condition is given that a line passes through the points whose coordinates are (-1,4) and (5,2).

It is asked to find the linear equation which satisfies the given condition.

Step 1 of 3

Determine the slope of the line.

The points through which the line passes are given as (-1,4) and (5,2). Next, the formula for the slope is given as,

$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

Substitute 2&4 for $y_{2}$ and $y_{1}$ respectively, and $5 \&-1$ for $x_{2}$ and $x_{1}$ respectively in the above formula. Then simplify to get the slope as follows,