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3 years ago

16

Graph a system of equations to approximate the value of x, the rate of depreciation. Give your answer as a percent. about 4% abo

ut 13% about 1.2% cannot be determined

2 answers:

muminat3 years ago

9 0

Answer:about 13%

Step-by-step explanation:

Dovator [93]3 years ago

7 0

Answer: about 13% (B)

Step-by-step explanation:

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Round .0091 to the nearest hundredths

azamat

0.0091 rounded to the nearest hundredths is 0.01.
I hope this helped!!

3 0

3 years ago

Can someone help me please

Taya2010 [7]

Answer:

n = -1

Step-by-step explanation:

n^2 + 5n + 1 = 3n

N^2 +2n +1 = 0 (subtract 3n from both sides)

(n+1)(n+1) = 0 (factor

n+1 =0; n= -1

n+1 = 0 ; n=-1

4 0

2 years ago

the formula for glue says to add 60 ml of hardener to each container of resin. How much hardener should be added to 15 container

Aleonysh [2.5K]

Answer:

0.9 L of hardener

Step-by-step explanation:

Find the total mL then convert into L

60*15=900

900mL=0.9

5 0

3 years ago

nA car dealer who sells only late-model luxury cars recently hired a new salesperson and believes that this salesperson is selli

7nadin3 [17]

Answer:

The value of an appropriate test statistic for the car dealer to use is -4.

Step-by-step explanation:

The null hypothesis is:

$H_{0} = 4600$

The alternate hypotesis is:

$H_{1} < 4600$

The test statistic is:

$t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

In which X is the sample mean, $\mu$ is the value tested at the null hypothesis, $\sigma$ is the standard deviation and n is the size of the sample.

In this problem:

$X = 4100, \mu = 4600, \sigma = 500, n = 16$

Then

$t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}$

$t = \frac{4100 - 4600}{\frac{500}{\sqrt{16}}}$

$t = -4$

The value of an appropriate test statistic for the car dealer to use is -4.

8 0

2 years ago

Without graphing f(x)=3x-1.3, determine if the graph goes through each point. <br> (0,-1.3)

jekas [21]

Answer:

Yes

Step-by-step explanation:

In the equation, -1.3 is the y-intercept. The y-intercept always has a x value of 0. On the point (0,-1.3), it matches the y-intercept and is therefore part of the function/equation.

Hope this helps :)

3 0

2 years ago