Maria has c boxes of 10 pencils. The teacher gives her another 20 pencils. How many pencils does she have altogether?

Answers

Answer 1

Answer: the equation to your question would be P =10(c)+20. meaning 10 pencils in each box multiplied by the number of boxes (c) plus the 20 pencils the teacher gives her will equal the number of pencils (P) she has altogether. (C stands for the number of boxes and P stands for pencils)

so lets say she has 3 boxes. well, c stands for boxes soooo...... all you have to do is plug in 3 were c is. giving you this equation P = 10(3)+20. then all you have to do is solve. P = 10(3)+20
10 times 3 = 30 so P = 30+20
then add 30 and 20 P = 50 she has 50 pencils altogether

(remember this is just an example, 50 pencils is NOT the answer to your question. but you can use the equation i gave you to find your own answer!) :) Hope this helps!!

Answer 2

Answer: 10c+20

Hope this helps :)

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Mrs. Ferguson looked at another hotel. She waited a week before she decided to book nights at that hotel, and now the prices have increased. The original price was $1589. The price for the same room and same number of nights is now $2075. What is the percent increase? Round to the nearest percent. Show your work. Will you plaes explain this ?

Answers

To calculate the percentage increase: First: work out the difference (increase) between the two numbers you are comparing. Then: divide the increase by the original number and multiply the answer by 100. If your answer is a negative number then this is a percentage decrease.

2075-1589=486

486*100/1589=30.58%

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30.6%
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What is the quotient of 3600 and 20?

Answers

Answer:

180

Step-by-step explanation:

3600 / 20 = 180

Answer:

180

Step-by-step explanation:

2. Simplify -6x - (-9x+4)

Answers

Answer:

3x-4

Step-by-step explanation:

Inside of the parenthesis, it cannot be further simplified, so we moe to distributing.

=-6x+9x-4

Combine like terms

=3x-4

cannot be further simplified on its own

Answer:

$\huge\boxed{-6x-(-9x+4)=3x-4}$

Step-by-step explanation:

$-6x-(-9x+4)=-6x-1(-9x+4)\n\n\text{Use the distributive property}\ a(b+c)=ab+ac\n\n=-6x+(-1)(-9x)+(-1)(4)\n\n=-6x+9x-4\qquad\text{combine like terms}\n\n=(-6x+9x)-4=3x-4$

sue wants to know how many families in her small neighborhood of 50 homes would volunteer to help at a neighborhood animal shelter. She put all the addresses in a bag and drew a random sample of 25 addresses. She then asked those families if they would volunteer to help at the shelter. She found that 18% of the families would volunteer to help at the shelter. She claims that 18% of the neighborhood families would be expected to help at the animal shelter. Is this a valid inference? Yes, this is a valid inference because the 25 families speak for the whole neighborhood Yes, this is a valid inference because she took a random sample of the neighborhood No, this is not a valid inference because she only asked 25 families No, this is not a valid inference because she did not take a random sample of the neighborhood

Answers

Answer:

Step-by-step explanation:

the store is 5/6 mile from yuri's house. the bank is 2/5 the distance from yuri's house to the store, how many miles is the bank from yuris house

Answers

Answer:

$The\ bank\ from\ yuris\ house\ is (1)/(3)\ miles.$

Step-by-step explanation:

As given

$The\ store\ is\ (5)/(6)\ mile\ from\ yuri's\ house.$

$The\ bank\ is\ (2)/(5)\ the\ distance\ from\ yuri's\ house\ to\ the\ store.$

Than

$The\ bank\ from\ yuris\ house = (2)/(5)* (distance\ from\ yuri's\ house\ to\ the\ store) }$

$The\ bank\ from\ yuris\ house = (2* 5)/(5* 6)$

$The\ bank\ from\ yuris\ house = (10)/(30)$

$The\ bank\ from\ yuris\ house = (1)/(3)\ miles$

$Therefore\ the\ bank\ from\ yuris\ house\ is (1)/(3)\ miles$

distance of bank from yuri's house=(5/6)*(2/5)=2/6=1/3 mile

On the first of each month, Stacie runs a 5k race. She keeps track of her times to track her progress. Her time in minutes is recorded in the table: Jan 41.55 July 36.38 Feb 42.51 Aug 38.48 Mar 43.01 Sept 41.87 Apr 39.76 Oct 51.32 May 37.32 Nov 42.59 June 35.28 Dec 43.71 Determine the difference between the mean of the data, including the outlier and excluding the outlier. Round to the hundredths place. 1.21 0.93 40.98 40.22