I need all the answers please help me and show me step by step...please

Mathematics

1 answer:

navik [9.2K]2 years ago

3 0

where are the equations

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The general form for a linear equation is given as: y = a + bx. In the regression equation, b is called the ______.

Viktor [21]

Answer:

Slope

Step-by-step explanation:

In the regression equation y=a+bx, y is dependent variable and x is independent variable. It means that due to change in x the y changes respectively. The "a" is intercept of the model and it shows the value of y when x is zero. The "b" is the slope of the model and it depicts the change in y due to unit change in x. The positive value of b means that as the x increases y also increases and as the x decreases y also decreases. The negative value of b means that as the x decreases y increases and as the x increases the y decreases.The sign of b shows the type of relationship between independent and dependent variable.

5 0

2 years ago

Round 399,411 to the nearest hundredth thousandth

melamori03 [73]

The nine rounds up so it would be 400,000

6 0

2 years ago

The floor plan of a ballroom is shown at the right. The scale is 3 centimeters: 4 meters. what are the length and width of the b

astraxan [27]

Length = 16
Width = 12
Area = 192

3 0

2 years ago

HOW MANY BASEBALLS CAN FIT INTO THE TRACTOR TRAILER. THE TRAILER DIMENSIONS ARE 301.5"L X 96.99"W X 105.04"H AND CIRCUMFERENCE R

Shkiper50 [21]

Volume of tractor = length x width x height = 301.5 x 96.99 x 105.04 = 3,071,630.624

For baseballs of 9 inches:
$9=2\pi r \\ \\ r= \frac{9}{2\pi}$

Volume = $\frac{4}{3} \pi r^3= \frac{4}{3} \pi \left( \frac{9}{2\pi} \right)^3=12.31$

Number of 9 inches baseballs = $\frac{3,071,630.624}{12.31} = 249,513$

For baseballs of 9.25 inches:
$9.25=2\pi r \\ \\ r= \frac{9.25}{2\pi}$

Volume = $\frac{4}{3} \pi r^3= \frac{4}{3} \pi \left( \frac{9.25}{2\pi} \right)^3=13.37$

Number of 9.25 inches baseballs = $\frac{3,071,630.624}{13.36} = 229,824$

Therefore, the tractor can contain between 229,824 and 249,513 baseballs.

8 0

2 years ago

Can someone show step by step to get the answers please

Elden [556K]

Answer:

i have made it in above picture

hope it helps

6 0

2 years ago