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3 years ago

What could represent the total cost

Mathematics

1 answer:

sp2606 [1]3 years ago

6 0

Answer:

Step-by-step explanation:

<u>vertical axis = total cost, horizontal axis = number of cd</u>

it would start higher on the vertical axis as the starting cost is higher (7000 vs 5000), but the line would be less steep as the increase in cost between cds is less.

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Lin ran 2 3/4 miles in 2/5 of an hour, Noah ran 8 2/3 miles in 4/3 of an hour, how far would Lin run in 1 hour?

Marizza181 [45]

Answer:

$6\frac{7}{8}\ miles$

Step-by-step explanation:

Given that Lil's distance in 2/5 hrs is 2 3/4hrs

-Let x be the distance ran in 1 hr.

#We equate and cross multiply to solve for x as follows:

$\frac{2}{5}\ hrs=2\frac{3}{4}\\1\ hr=x\\\\\therefore x=2\frac{3}{4}/\frac{2}{5}\\\\=6\frac{7}{8}\ miles$

Hence, Lil can run 6 7/8 miles in 1 hr.

5 0

3 years ago

<img src="https://tex.z-dn.net/?f=%5Cfrac%7B3%7D%7B5%7D%20%2B%5Cfrac%7B5%7D%7B7%7D%20%2B-%5Cfrac%7B1%7D%7B5%7D" id="TexFormula1"

natali 33 [55]

3/5 + 5/7 = 1 11/35 - 1/5 = 1 4/35 which is your final answer.

7 0

3 years ago

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Hannah completed 40 problems in 32 minutes.<br> I have to put it in a unit rate pls help

il63 [147K]

Answer: 1.25 problems/min

32 minutes --> 40 problems

1 minute --> 40/32

--> 1.25

5 0

3 years ago

It takes 4 pounds of apples to make 6 cups of applesauce. At this rate, how much applesauce can you make with 7 pounds of apples

Nesterboy [21]

Answer:

10 1/2 cups.

Step-by-step explanation:

4 pounds of apples make 6 cups apple sauce.

So 1 pound apples makes 6/4 = 1 1/2 cups of sauce.

7 pounds will make 1 1/2 * 7

= 10 1/2 cups sauce.

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3 years ago

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Rewrite in simplest rational exponent form x^1/2*X^1/4

jasenka [17]

Answer:

$\sqrt[4]{x^3}$

Step-by-step explanation:

First, let's examine our original statement.

$x^{\frac{1}{2} }\cdot x^{\frac{1}{4}}$

Using exponent rules, we know that if we have $x^a \cdot x^b$ , then simplified, the answer will be equivalent to $x^{a+b}$ .

So we can simplify this by adding the exponents $\frac{1}{2}$ and $\frac{1}{4}$ .

Converting $\frac{1}{2}$ into fourths gets us $\frac{2}{4}$ .

$\frac{2}{4} + \frac{1}{4} = \frac{3}{4}$ .

So we now have $x^{\frac{3}{4}}$ .

When we have a number to a fraction power, it's the same thing as taking the denominator root of the base to the numerator power.

Basically, this becomes

$\sqrt[4]{x^3}$ . (The numerator is what we raise x to the power of, the denominator is the root we take of that).

Hope this helped!

4 0

3 years ago

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