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3 years ago

Why do you have to show your work

2 answers:

swat323 years ago

8 0

In order to help explain how you came to your answer. It also helps when marking or reviewing because it's easier to find any mistakes

erica [24]3 years ago

7 0

In a problem you need to show your work because you need to show what strategies or equations, evidence to your answer. In math you show your work for that. In Ela you show work to give text evidence to your statement. Sometimes showing your work isn't that annoying. Sometimes it is don't worry I feel you.

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Tim is training for a marathon, He ran 24 miles in 5 days, if he ran the same distance each diay, how far did he run per day?

malfutka [58]

Answer:

I believe its 4.8, which is confusing seeing as its not an option.

Step-by-step explanation:

If he ran 24 miles in 5 days, divide 24 by 5 to get your answer.

7 0

3 years ago

which equation is the quadratic variation equation for the relatonship? the variable y varies directly with x^2 and y=36 when x=

svetoff [14.1K]

For this case we have a direct variation of the form:

$y = kx ^ 2$

Where,

<em>k: proportionality constant </em>

We must find the value of k.

For this, we use the following data:

$y = 36\\x = 3$

Therefore, replacing values we have:

$36 = k (3) ^ 2$

Rewriting:

$36 = 9k$

Clearing the value of k we have:

$k = \frac {36} {9}\\k = 4$

Therefore, the direct variation equation is given by:

$y = 4x ^ 2$

Answer:

The quadratic variation equation for the relatonship is:

$y = 4x ^ 2$

8 0

2 years ago

How do I find the vertex?

pav-90 [236]

Answer:

2. (5, -5)

3. (-3, 2)

4. (2, 4)

Step-by-step explanation:

Each vertex can be found using two simple steps.

1) The number being added or subtracted from x.

-The x coordinate of your vertex is the opposite of that number.

2) The number after the absolute value symbol.

-The y coordinate is that value.

3 0

3 years ago

Drake's Drugstore is getting ready for the upcoming summer season. The manager of the store wants to

patriot [66]

Answer:

22222222222222222 not 3 and not 1

Step-by-step explanation:

5 0

3 years ago

Consider a circle whose size can vary. Let r represent the radius of the circle (in cm) and let C represent the circumference of

Firdavs [7]

Answer:

$g (15)$ represents the radius (in cm) of a circle whose circumference is 15 cm

if $g (a) = 15$ , then a represents the circumference (in cm) of a circle whose radius is 15cm

Step-by-step explanation:

In a circle the following relationship can be posed:

$C = 2 \pi r$

Let g be a function that determines the radius of the circle from the value of its circumference, so, you have:

$g (C) =\frac{C}{2\pi}$

Thus, $g (15)$ represents the radius (in cm) of a circle whose circumference is 15 cm. You have to $g (15) =\frac{15}{2\pi}$ .

On the other hand, if $g (a) = 15$ , then $a$ represents the circumference (in cm) of a circle whose radius is 15cm. You have to $a=2 \pi(15) = 30 \pi$

4 0

3 years ago