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Airida [17]
3 years ago
7

A family is tracking its spending habits. Over the past year, the grocery bill has ranged from $120 to $180. Suppose you were go

ing to plot these points on a coordinate grid.
(a) What is a good scale to use for the y-axis? Explain your reasoning.

(b) What is a good interval to use for the y-axis? Explain your reasoning
Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
3 0
A vertical scale 0 to 200 with steps of 20 accommodates zero as base reference as well as 120 and 180 without falsely representing 180 as maximal.
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A box of baseball cards is $25.00 with %15 off. What is the sale price of the box of cards? In other words, how much is it after
yan [13]

Answer:

21.25

Step-by-step explanation:

you would multiply 25 by 0.15 to get the percent being taken off then subtract that from your original price

8 0
3 years ago
6.493 rounded to the hundredths
Nana76 [90]
The answer is 6. 49 you welcome :)
7 0
3 years ago
Read 2 more answers
After a storm damages the community center, Shanika and her friends hold fundraising
Inessa [10]

Answer:

The total amount of money Shanika and her friends want to raise is <u>$2400</u>.

Step-by-step explanation:

Given:

After a storm damages the community center, Shanika and her friends hold fundraising.

After the first event, they raise $240, which is 10% of the  total amount that they want to raise.

Now, to find the total amount of money that Shanika and her friends want to raise.

Let the total amount of money that Shanika and her friends want to raise be x.

As given 10% of fundraise is $240.

So, according to question:

10\%\ of\ x=\$240.

\frac{10}{100}\times x=240

\frac{10x}{100}=240.

<em>Multiplying both sides by 100 we get:</em>

10x=24000.

<em>Dividing both sides by 10 we get:</em>

x=\$2400.

Therefore, the total amount of money Shanika and her friends want to raise is $2400.

3 0
3 years ago
Suppose that the world's current oil reserves is R = 1820 billion barrels. If, on average, the total reserves
iVinArrow [24]

Answer:

A. R = -18t + 1,820

B. 1,568 billions of barrels

C. approximately 101.11 years

Step-by-step explanation:

To make our equation, we'll use the form R = mt + b. M represents how many billion barrels of oil are being lost each year, which we know is 18 billion. So -18 will be our m. B is how many total barrels of oil there are, which is 1,820. So 1,820 will be our b. Now the equation looks like this:

R = -18t + 1,820

We can use this equation to answer Part B.

Replace the t with 14:

R = -18(14) + 1,820

Now solve for R:

R = -18(14) + 1,820

R = -252 + 1,820

R = 1,568

14 years from now, there will be 1,568 billions of barrels left.

To solve part C, we need to find how many years it will take for all of the oil to be used up. After it's all used up, the total amount of oil will be 0, so we can replace R with 0 and then solve for t:

0 = -18t + 1,820

Subtract 1,820 from both sides to isolate -18t:

0 - 1,820 = -18t + 1,820 - 1,820

-1,820 = -18t

Divide both sides by -18 to isolate the t:

-1,820/-18 = -18t/-18

101.11 = t

After approximately 101.11 years, all of the oil will be used up.

3 0
3 years ago
*please include an explanation!*
miv72 [106K]
I hope this help ypu

6 0
3 years ago
Read 2 more answers
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