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blsea [12.9K]
3 years ago
15

Solve for x. 100° (2x+3) 51°

Mathematics
1 answer:
Evgen [1.6K]3 years ago
4 0
I think it’s im not sure 400x
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It takes Fred 32 minutes to type and spell check 5 pages of a manuscript. Find how long it takes
sveta [45]

Answer:

26

Step-by-step explanation:

we \: rounded \: it \: to \: the \: nearest \: whole \: number

6 0
2 years ago
In many fast food restaurants, there is a strong correlation between a menu item's fat content (measured in grams) and its calor
Kruka [31]

Answer:

1. The slope of the least-squares regressin line is 11.364

2. The intercept of the least-squares regression line is 204.343

3. The residual corresponding to this observation is -10 calories

Step-by-step explanation:

1. In order to calculate the slope of the least-squares regressin line we would have to use the following formula:

slope of the least-squares regressin line=r*sy/sx

Therefore, slope=0.979*324.90/27.99

slope=11.364

2. In order to calculate the intercept of the least-squares regression line we would have to use the following formula:

intercept of the least-squares regression line=ybar - slope*xbar

intercept=662.88 - 11.364*40.35

intercept=204.343

3. In order to calculate the the residual corresponding to this observation we would have to use the following formula:

residual = observed y - predicted y

predicted y=11.364*x + 204.343

if the x value is 7, therefore predicted y=11.364*107 + 204.343

predicted y=1,420

Therefore, residual=1410 calories - 1420 calories

residual=-10 calories

8 0
3 years ago
For every 4 gallons of green paint he uses 3 gallons of blue paint. Drag the correct number of each type of paint into the box t
Inga [223]

Answer:

Amount of green color used =

\dfrac{64}{7}\text{ gallons}

Step-by-step explanation:

We are given the following in the question:

Every  4 gallons of green paint is mixed with 3 gallons of blue paint. to make a particular shade.

Ratio of green color to blue paint can be calculated as:

=\dfrac{\text{Amount of green color}}{\text{Amount of blue color}}\\\\=\dfrac{4}{3}

Amount of shade = 16

Amount of green paint = 4x

Amount of blue paint = 3x

Thus, we can write:

4x + 3x = 16\\7x = 16\\\\x = \dfrac{16}{7}

Amount of green color used =

4x = 4\times  \dfrac{16}{7} = \dfrac{64}{7}\text{ gallons}

Amount of blue paint used =

3x = 3\times  \dfrac{16}{7} = \dfrac{48}{7}\text{ gallons}

4 0
3 years ago
PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
Nady [450]

Answer:  b) -0.625

<u>Step-by-step explanation:</u>

The formula for the z-score is:

z=\dfrac{x-\mu}{\sigma}\\\\\bullet z \text{ is the z-score}\\\bullet x \text{ is the value}\\\bullet \mu \text{ is the mean}\\\bullet \sigma \text{ is the standard deviation}\\\\z=\dfrac{6-8}{3.2}\\\\\\.\ =\dfrac{-2}{3.2}\\\\\\.\ =\large\boxed{-.0625}

6 0
3 years ago
Rearrange the formula d= m/v for m
Sergeu [11.5K]

Answer:

m=d*v

Step-by-step explanation:

7 0
3 years ago
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