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3 years ago

By visual inspection, determine the best-fitting regression model for the data

Mathematics

1 answer:

igor_vitrenko [27]3 years ago

4 0

Answer:

it's quadratic

Step-by-step explanation:

sorry i answered late but i hope this helps other people

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Leo sold candy bars for a fundraiser. He spent $25 on a box of candy bars and sold them for $2 each. His profit (after earning b

kykrilka [37]

As given by the question

There are given that the $2c-$25=$69.

Now,

$\begin{gathered} $2c-$25=$69$ \\ $2c-$25+25=$69$+25 \\ 2c=$69$+25 \\ 2c=94 \\ c=\frac{94}{2} \\ c=47\text{ bars} \end{gathered}$

Hence, the correct answer is C.

4 0

1 year ago

Which expression is equivalent to StartFraction c squared minus 4 Over c + 3 EndFraction divided by StartFraction c + 2 Over 3 (

Firdavs [7]

Answer:

Step-by-step explanation:

Given:

$\dfrac{c^2-4}{c+3}\div \dfrac{c+2}{3(c^2-9)}$

Changing the division to multiplication by taking the reciprocal of the second fraction.

$\dfrac{c^2-4}{c+3}X \dfrac{3(c^2-9)}{c+2}$

<u>The correct option is C</u>

3 0

3 years ago

Read 2 more answers

Pls help?!?!? With this

zhenek [66]

Answer:

7 buses. 52÷ 8 = 6.5 so rounding up to 7

4 0

3 years ago

Which table shows a proportional relationship between x and y?

swat32

Answer: C

Step-by-step explanation:A proportional relationship is a relationship which crosses through the origin (0,0) and which has a proportional constant. We can determine this either by finding (0,0) where x=0 and y=0 in the table or by dividing y/x. None of the tables contain (0,0) so we will divide y by x. We are looking for a table which when each y is divided by its x we have the same constant appearing.

These fractions are not equal. This is not proportional.

x 2 3 4 5

y 7 9 11 13

These fractions are not equal. This is not proportional.

x 3 7.5 15 20

y 1 2.5 4 6

These fractions are not equal. This is not proportional.

x 3 6 8 10

y 12 15 18 20 HOPE IT HELPS:P

8 0

3 years ago

Any one help with a step by step answer so I can write notes for future reference when working out similar questions? I need hel

max2010maxim [7]

Answer:

<em>Volume = ( About ) 2406.165 cm^3</em>

Step-by-step explanation:

If you consider a cube or a rectangular prism, you could identify it's volume through the multiplication of it's Base by height. A pyramid has 1 / 3rd that volume, so in order to take a volume of the figure to the left, we would multiply Base * height and take 1 / 3rd of that;

$Square Pyramid,\\Base ( Square ) = a^2, a = length = 17.2 cm\\Height = 24.4 cm\\\\Volume = 1 / 3 ( Base ) ( Height ),\\Volume = 1 / 3 ( ( 17.2 )^2 )( 24.4 ),\\Volume = 1 / 3( 295.84 )( 24.4 ),\\\\Volume = 98.6133333333( 24.4 ),\\Volume = 2406.16533333,\\\\Volume = ( About ) 2406.165$

<em>Solution ⇒ ( About ) 2406.165 cm^3</em>

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Hope that helps!

3 0

3 years ago