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2 years ago

Solve for p.

Mathematics

1 answer:

jeyben [28]2 years ago

8 0

Answer: C

Step-by-step explanation:

thank me later

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The graph shows Linda's math scores versus the number of hours spent doing math homework.

xz_007 [3.2K]

Answer=A

Let's write the an equation in slope intercept for for the line.

y-intercept=10

slope=rise/run=15/2=7.5

equation:

y=mx+b
y=7.5x+10

Solve for x=7

y=7.5(7)+10
y=52.5+10
y=62.5

Answer=A

6 0

3 years ago

Read 2 more answers

Evaluate 4(x+3)(x+1)/(x+5)(x-5) for x =3. A. 3/2 B. -6 C. 6 D. -3/2

sergey [27]

Answer:

-6

Step-by-step explanation:

Reduce the expression by cancelling common factors

5 0

2 years ago

Loretta places 20 red tiles in a bag. How many blue tiles must be added to the bag to make the probability of randomly drawing a

Galina-37 [17]

Answer:

If the number of blue tiles in the bag is 180, then the probability of randomly drawing a red tile equal to 1/10.

Step-by-step explanation:

Total number of red tiles in a bag = 20

Let us assume the number of blue tiles in a bag = p

So, the total number of tiles in a bag = Red Tiles + Blue tiles

= 20 + p

Now, let us find the probability of drawing a red tile:

$\textrm{The probability of drawing a red tile} = \frac{\textrm{Total Number of red tiles}}{\textrm{Total Tiles}}\\= \frac{20}{20 + p}$

But, here the probability of drawing a red tile = 1/10

$\implies \frac{1}{10} = \frac{20}{20+p} \\\implies 20 + p = 200\\\implies p = 200- 20 = 180$

or, p = 180

Hence, if the number of blue tiles in the bag = 180, then the P Picking out a red tile ) is 1/10.

5 0

2 years ago

What is the most important thing that must be true about a sample so that you can make a valid inference about population

exis [7]

<span>Unless you have some other choices, I'd have to say Stratification, to make sure the groups are representative and heterogeneous.

I hope I helped.</span>

4 0

3 years ago

Chef Fabio does beginning inventory on Thursday night and finds that he has $1456 in food products in the restaurant. Throughout

Leto [7]

Using it's concept, it is found that the percentage of his sales that area food costs is of 29.62%.

<h3>What is a percentage?</h3>

The percentage of an amount a over a total amount b is given by a multiplied by 100% and divided by b, that is:

$P = \frac{a}{b} \times 100\%$

In this problem, he has $1643 out of $5546 in food, hence the percentage is given by:

$P = \frac{1643}{5546} \times 100\% = 29.62%$

More can be learned about percentages at brainly.com/question/10491646

#SPJ1

7 0

1 year ago