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Fynjy0 [20]
3 years ago
5

In the equation y=mx+b, what does the x stand for? And, in the equation y=3x+6 how would I solve for y?

Mathematics
1 answer:
ladessa [460]3 years ago
7 0

Answer:

x stays x in both equations so x stands for x

Step-by-step explanation:

y=3x+6

you can put this into a graphing caculator or draw it yourself.

6 is the y value when x equals 0. and the 3 represents the slope so then it is solved for any y value

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Diana's painting statue she has 7/8 of a gallon of paint remaining each student requires 1/16 of a gallon of paint how many stat
julsineya [31]
Easy, first turn the factions into deciamls, then so 1.16-7.8=6.64. So, 6.64
4 0
3 years ago
What is -3(-6+8)^3-2(1-3)^3
marin [14]

Assignment: \bold{Solve \ Equation: \ -3\left(-6+8\right)^3-2\left(1-3\right)^3}

<><><><><>

Answer: \boxed{\bold{-8}}

<><><><><>

Explanation: \downarrow\downarrow\downarrow

<><><><><>

[ Step One ] Follow PEMDAS Order Of Operations; Calculate Within Parenthesis

Note: \bold{PEMDAS: \ Parenthesis, \ Exponents, \ Multiply, \ Divide, \ Add, \ Subtract}

\bold{-6+8: \ 2}

[ Step Two ] Rewrite Equation

\bold{-3\cdot \:2^3-2\left(1-3\right)^3}

[ Step Three ] Calculate Within Parenthesis

\bold{1-3: \ -2}

[ Step Four ] Rewrite Equation

\bold{-3\cdot \:2^3-2\left(-2\right)^3}

[ Step Five ] Calculate Exponents

\bold{2^3: \ 8}

[ Step Six ] Rewrite Equation

\bold{-3\cdot \:8-2\left(-8\right)}

[ Step Seven ] Multiply

\bold{2\left(-8\right): \ -16}

[ Step Eight ] Rewrite Equation

\bold{-24-\left(-16\right)}

[ Step Nine ] Subtract

\bold{-24-\left(-16\right): \ -8}

[ Step Ten ] Rewrite Equation

\bold{-8}

<><><><><><><>

\bold{\rightarrow Mordancy \leftarrow}

8 0
3 years ago
24 x 10 x 90 = 90 x 2,400 True or False?
xenn [34]
False, 24 x 10 x 90 = 21,600, 90 x 2,400 = 216,000
6 0
3 years ago
Read 2 more answers
NEED THE ANSWER PLEASE
Alexus [3.1K]

Answer:

d. 89°

Step-by-step explanation:

The given measure of the angles formed are;

m∠AED = 48°, m\widehat{AG} = 175°

According to circle theorem, the angle formed by a chord and a tangent of a circle is given by half of the measure of the arc intercepted by the chord in the direction of the angle;

Therefore;

m∠AED = (1/2) × m\widehat{ABE}  = 48°

∴ m\widehat{ABE} = 2 × 48° = 96°

m∠AEF = (1/2) × m\widehat{AGE}

m\widehat{ABE} + m\widehat{AGE} = 360° (angle round a circle)

∴ m\widehat{AGE} = 360° - m\widehat{ABE} = 360° - 96° = 264°

m\widehat{AGE} = m\widehat{AG} + m\widehat{EG}

∴ m\widehat{EG} = m\widehat{AGE} - m\widehat{AG} = 264° - 175° = 89°

m\widehat{EG} = 89°.

5 0
3 years ago
Bob Nale is the owner of Nale’s Quick Fill. Bob would like to estimate the mean number of gallons of gasoline sold to his custom
ira [324]

Answer:

a) The best estimator for the population mean is given by the sample mean \hat \mu = \bar X = 5.70

b) The 99% confidence interval would be given by (4.969;6.431)    

c) We are 99% confident that the true mean for th number of gallons of gasoline  sold to his customers is between 4.969 and 6.431.

Step-by-step explanation:

1) Previous concepts

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

\bar X represent the sample mean for the sample  

\mu population mean (variable of interest)

\sigma=1.9 represent the population standard deviation

n=45 represent the sample size  

2) Part a

The best estimator for the population mean is given by the sample mean \hat \mu = \bar X = 5.70

3) Part b. Develop a 99 percent confidence interval for the population mean.

The confidence interval for the mean is given by the following formula:

\bar X \pm z_{\alpha/2}\frac{\sigma}{\sqrt{n}}   (1)

Since the Confidence is 0.95 or 95%, the value of \alpha=0.01 and \alpha/2 =0.005, and we can use excel, a calculator or a table to find the critical value. The excel command would be: "=-NORM.INV(0.005,0,1)".And we see that z_{\alpha/2}=2.58

Now we have everything in order to replace into formula (1):

5.7-2.58\frac{1.9}{\sqrt{45}}=4.969    

5.7+2.58\frac{1.9}{\sqrt{45}}=6.431

So on this case the 99% confidence interval would be given by (4.969;6.431)    

4) Part c. Interpret the meaning of part (b).

On this case we can say this: We are 99% confident that the true mean for th number of gallons of gasoline  sold to his customers is between 4.969 and 6.431.

4 0
3 years ago
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