sophie is trying to see how thick her pile of paper is. She has 50 pieces of paper that are each 4.5×10^-4. How thick is the whole stack?

Answers

Answer 1
50 pieces of paper so you would multiply 50 by the thickness of each paper.

50x4.5x10^-4

=225x10^-4
Move decimal two times to the left

=2.25x10^-2

Related Questions

6 times the sum of 12 and 8

Answers

12 * 8 = 96 * 6 = 576
6 × (12 + 8) =??
12 + 8 = 20 
6 × 20 = 120
6 × (12 + 8) = 120 

In 1924 the temperature in Fairfield Montana drop 63° to -21° in 12 hours. What was the average hourly change in temperature

Answers

Since we’re trying to find the hourly change, we need to find out first the change in the temperature. We can convert 21 to a positive and subtract 63 from 21.

63 minus 21 is 42.
The temperature change would be positive 42 degrees.

Now, since we’re trying to find the hourly change, we’d need to do 42 divided by 12.

42 divided by 12 is is 3.5.

The hourly change in temperature is 3.5 degrees.

A blue print for a building includes a rectangular room that measures 3 inches long and 5.5 inches wide. The scale for the blueprint says that 1 inch on the blueprint is equivalent to 10 feet in the actual building. What are the dimensions of this rectangular room in the actual building?

Answers

3 inches long and 5.5 inches wide.....1 inch = 10 ft

3 inches = (3 * 10) = 30 ft long <==
5.5 inches = (5.5 * 10) = 55 ft wide <==

Answer:

Length= 30 feet, breadth = 55 feet.

Step-by-step explanation:

Length of building in blue print= 3 inches

Breadth of building in blue print= 5.5 inches

It is given that 1 inch on the blue print is equivalent to 10 feet in actual building

We have to convert the dimensions

So Length of building in blue print in feet= 3 inches= 3×10=30 feet

Breadth of building in blue print in feet= 5.5 inches= 5.5×10= 55 feet

Hence the correct answer is Length= 30 feet, breadth = 55 feet.

What is the slope of this line?



Enter your answer in the box.

Answers

slope is rise over run 0/7 or maybe just 0

the correct slope is 0.

Kelly has 3/4 of a pie left. She wants to slip the pie with 3 of her friends.How much pie will each person get?

Answers

each person will get 1/4 of the pie

Find the percent of each number 350% of 96

Answers

the answer is 336.............
96 x 3.5= 336 (i got 3.5 because that is the decimal form of 350%.... 350/100=3.5)

How many times greater is 7,000 than 70

Answers

Final answer:

To find out how many times greater 7,000 is than 70, one needs to perform a division operation. In this case, it would be 7,000 divided by 70 which equals 100. Hence, 7,000 is 100 times greater than 70.

Explanation:

To determine how many times greater 7,000 is than 70, one must use division. This is done by dividing 7,000 by 70. The equation would look like this: 7,000 ÷ 70. If you solve the equation, the answer is 100. Therefore, 7,000 is 100 times greater than 70.

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which of these nonterminating decimals can be converted into a rational number? A 0.48907542... b 0.02020202... C 0.92589542... D 0.10203040...

Paul is painting a square wall with an area of 115 square feet. To the nearest foot, what is the length of the wall? Hint: A = s2.
11 **
29
42
58

Answers

1.) B because it has a pattern
2.)
[tex]115 = s^{2} [/tex]
[tex] \sqrt{115} = \sqrt{ {s}^{2} } [/tex]
s is approximately 10.72381
Final answer:

Decimals B, C, and D can be converted into rational numbers as they have repeating patterns.

Explanation:

A nonterminating decimal can be converted into a rational number if it is a repeating decimal. Among the given options, decimals B, C, and D can be converted into rational numbers because they have repeating patterns.





Decimal B: 0.02020202... can be converted into a rational number by expressing it as the fraction 2/99.

Decimal C: 0.92589542... can be converted into a rational number by expressing it as the fraction 92589542/99999999.

Decimal D: 0.10203040... can be converted into a rational number by expressing it as the fraction 10203040/99999999.

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What is 9 divided by 261

Answers

0.0344 is the answer to your question
9 divided my 261 is 29
Hope i helped

Roscoe rides his bike at least 10 miles but not more than 30 miles. He rides at an average rate of 10.5 miles per hour. The amount of time it takes for Roscoe to ride his bike m miles is represented by a function. t(m) = m/10.5 What is the practical domain of the function?

Answers

Answer:

all real numbers from 10 to 30, inclusive

Step-by-step explanation:

The practical domain of function is , Roscoe can ride his bike only from 10 miles to 30 miles.

Domain of function is defined as the set of input values for which the function is defined i.e.  the set of its possible inputs,

The amount of time it takes for Roscoe to ride his bike m miles is represented by a function.

                       [tex]t(m) = m/10.5[/tex]

Where m represent, number of miles he can ride.

Above function is defined for every value of m . But in question it is mention that Roscoe rides his bike at least 10 miles but not more than 30 miles.

Therefore, Domain of function is from 10 miles to 30 miles.

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Steven recorded the growth of a plant over 10 weeks for his science project. He made a graph that shows how much the plant grew each week. The plant was 2 in. tall when Steven started his project. At week 5, the plant was 8 in. tall.

Which equation represents Steven’s situation, where x is the number of weeks and y is the height of the plant?

A. y= 8/5x+2
B. y= 6/5x+2
C. y= 5/8x+2
D. y= 5/6x+2

Answers

y= 6/5x + 2
If you substitute the points (5,8) you get:
8 = 6/5 × 5 + 2
8 = 6 + 2

Answer:

Answer is option B.

Step-by-step explanation:

Given information:

Assume the growth of plant is linear

When Steven started his project [tex](x_1=0)[/tex] , growth of plant is[tex](y_1=2 \rm in)[/tex]

At week 5,[tex](x_2=5)[/tex], growth of plant is [tex](y_2=8 \rm in)[/tex]

We know, equation of line is,

[tex](y-y_1)=m\times (x-x_1)[/tex],where [tex]m[/tex] is the slope of equation

[tex]m=\frac{y_2-y_1}{x_2-x_1} =\frac{8-2}{5-0}=\frac{6}{5}[/tex]

On substituting [tex]m[/tex],

[tex](y-2)=\frac{6}{5}\times (x-0)[/tex]

[tex]y=\frac{6}{5}x +2[/tex]

So, answer is option B.

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Which state's ratification guaranteed the constitution's approval?

Answers

The state of New Hampshire's ratification guaranteed the Constitution's approval, in what is now the United States. Under The Articles of the Confederation, article VII stated that nine states were needed to ratify the Constitution before it could be approved. New Hampshire was the ninth state to ratify the Constitution of the United States, in June of 1788.

the volume of 10 000 drops of liquid is 1 fluid ounce. what is the volume of 1000

Answers

1/10 of a fluid ounce or 0.10
I got 0.10 which is 1/10 as well

Andrew lives 1.7 kilometers from soccer field. He rode his bike 0.9 of the distance to the field. How much farther does Andrew need to ride to reach the soccer field. Include an area model in your answer.

Answers

As for how much farther, you just subtract the two given numbers, so the answer is 0.8. The area model might be a little out of my skill level, sorry.
0.9 of the distance is like saying 90% so he only has 10% left to go of 1.7 km

10% of 1.7 km is 0.17 km
Hope this helps!

i need some help with solving inequalitys 9x-9 greater thab or equal to 2(8x-15)

Answers

Simplify 2(8x-15) first

the solution to -5 m = -20 is negative true or false

Answers

This is False because when you divide the -5 by -20, the negatives will cancel out.

Find the slope. Is it positive,negative,zero or undefined? Show your work. Y=-1/8x+12

Answers

You already found the slope, it is -1/8. It is a negative like because the slope is negative as well.
The slope is m= -1/8

Yousef typed a 36-word paragraph in 2/3 minute. What is his typing speed, in words per minute? Enter your answer in the box.

Answers

we know that

Yousef typed a [tex]36[/tex]-word paragraph in [tex]2/3[/tex] minute

so

by proportion  

Find  the number of words typed in one minute

[tex]\frac{36}{(2/3)} \frac{words}{minutes} =\frac{x}{1} \frac{words}{minute}\\ \\x=36*\frac{3}{2}\\ \\x= 54\ words[/tex]

therefore

the answer is

Yousef typing speed, in words per minute is equal to

[tex]54\frac{words}{minute}[/tex]

The typing speed of Yousuf in words per minutes is [tex]54\;\rm words\;per\;minute[/tex].

Yousuf typed 36 words in  [tex]\dfrac{2}{3}\;\rm minutes[/tex].

By Unitary method, calculate the speed of typing by Yousuf as-

[tex]\dfrac{2}{3} \;\rm minutes \rightarrow 36\;\rm words\\1\;\rm minute \rightarrow \dfrac{36}{(\frac{2}{3})}\;\rm words\\1\;\rm minute \rightarrow \dfrac{36\times 3}{2}\;\rm words\\1\;\rm minute \rightarrow 54\;\rm words[/tex]

Hence, the typing speed of Yousuf in words per minutes is [tex]54\;\rm words\;per\;minute[/tex].

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After a 90% reduction, you purchase a new soft drink machine on sale for 72$. What was the original price of the soft drink machine?

Answers

To find the original price we have to divide the sale price by 1 minus the percentage. 

Original price = Sale price/(1 - percentage reduction)

 $72/(1-.90) = $720

So, the original price for the drink machine was $720.

Write a real-word problem where you have to multiply 120 and 75.

Please help best answer will be marked as braniiest

Answers

Bob works at a factory.
He makes $120 a day and Bob needs to make a certain amount of money to pay his bills at the end of three months. Bob has to pay $8675 for his bills. If Bob worked 75 days, does he have enough to pay his bills?

(answer)
Yes.

(work)
120 x 75 = 9000

9000-8675

I hope this helped!
Final answer:

In a cinema with 120 rows and 75 seats in each row, we can find the total number of seats by multiplying these two numbers together. This results in 9000 total seats.

Explanation:

The subject of this question is related to a real-world mathematical problem. Suppose there is a cinema having 120 rows and each row consists of 75 seats. We want to find out the total number of seats in the cinema hall.

To solve this, we need to use multiplication. In mathematics, multiplication is one of the four elementary mathematical operations, with the other three being addition, subtraction, and division. By multiplying 120 (the number of rows) with 75 (the number of seats in each row), you can find out the total number of seats in the cinema hall.

So, 120 * 75 = 9000. Hence, there are 9000 seats in the cinema.

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math question down below

Answers

You need to divide the - 4/5 by 3 to get the depth after 1 minute;
To do this you flip the second fraction (3/1) around and you multiply:
3/1 = 1/3

- 4*1/5*3 = - 4/15

This means he went - 4/15 miles down,
Hope this helps! :)

Selena babysit on the weekends. The equation is Y equals 13x represents the amount of money she earns. What is the constant of proportionality

Answers

Since the equation of proportionality is represented as y = kx, k being the proportionality constant. And here the amount that selena earns on the weekends by doing babysitting is represented as y= 13x. So deriving from the equation above k is 13, which is the proportionality constant.

The slope-intercept form of the equation of a line that passes through point (–3, 8) is y = –x + 6. What is the point-slope form of the equation for this line?
y – 3 = –(x + 8)y + 3 = –(x – 8)y + 8 = –(x – 3)y – 8 = –(x + 3)

Answers

The point-slope intercept is y - 8 = -(x + 3).  I think.

Answer:

Option 4 - [tex]y-8=-(x+3)[/tex]

Step-by-step explanation:

The slope-intercept form of the equation of a line that passes through point (–3, 8) is [tex]y =-x+ 6[/tex].

The general form of slope intercept is [tex]y=mx+c[/tex]

where, m is the slope and c is the y-intercept.

On comparing,

m=-1 and c=6

The point slope form of the equation of a straight line is

[tex]y-y_1=m(x-x_1)[/tex]

Point is [tex](x_1,y_1)=(-3,8)[/tex]

Substitute the values,

[tex]y-8=-1(x-(-3))[/tex]

[tex]y-8=-(x+3)[/tex]

The point-slope form of the equation for this line is [tex]y-8=-(x+3)[/tex]

Therefore, Option 4 is correct.

You and your friends decide to take a survey to try to convince mall managers to add a new store. You split up to survey parts A, B, and C of the mall. If you survey part B what percent of the will you survey

Answers

33.3 percent or 33 and 1/3
You would be doing 33.3333333333 Repeting % of the survey

What is the solution to the inequality 2(x + 3) ≥ –10 – 4x? solve step by step, please.

Answers

I'm in 7th grade i need help with my math homework
Your answer is:

Here are the steps:

2(x + 3) ≥ –10 – 4x
=2x+6≥-10-4x
=2x+6-6≥-10-4x-6
=2x≥-4x-16
=2x+4x≥-4x-16+4x
=6x≥-16
=6x/6≥16/6
=x=-8/3

The area of a square is 49 cm. What is the length of one side

Answers

Actually, the area of the square is 49 cm^2.

The length of one side is sqrt(49 cm^2) = 7 cm (answer)

Simplify negative 2 over 3 ÷ negative 7 over 4.

a. negative 7 over 6
b. negative 8 over 21
c. 8 over 21
d. 7 over 6

Answers

Answer:

B 8/21

Step-by-step explanation:

probabiltiy can be used to determine the likelihood of specific ---------------- ( a:games,b:occurrences,c:questions,d:opportunities

Answers

The answer is B because it predicts what kind of things could come out as a probablility.

the length of a rectangle is 2cm more than 5 times the width ,the perimeter is 196 cm,what is the width & length?

Answers

196=x+((5*x)+2). The width is 32.33 and the length is 163.67

i got 36.333333333333333333333333333333333333

Carmen has 18 connecting cubes. She wants to model a house shaped like a rectangle. If the model has a height of one connecting cube, how many different ways can Carmen model the house using all 18 connecting cubes?

Answers

Final answer:

To determine the number of ways Carmen can model the house using all 18 connecting cubes, considering them as distinguishable objects and applying permutations is essential.

Explanation:

Carmen has 18 connecting cubes and wants to model a house shaped like a rectangle with a height of one connecting cube. To find the number of ways to model the house using all 18 cubes, we can approach it using combinatorics. One way to visualize this is by considering the cubes as distinguishable objects and applying permutations.

One approach could involve fixing the base of the rectangle, which will have a length of 16 cubes, leaving 2 cubes for the width. The 2 remaining cubes can be placed in 2! = 2 ways. So, the total number of ways to model the house would be 16!×2.

Answer:

There are 3 ways.

Step-by-step explanation:

Let each cube be 1 cm on the side.

The volume of each cube is 1 cm³.

volume = length × width × height

We are told the height is 1.

The volume is 18 cubes, so volume = 18 cm³.

length × width × height = 18 cm³

length × width × 1 cm = 18 cm³

length × width = 18 cm³

There are 3 ways to factor 18 into integer factors:

1, 18

2, 9

3, 6

Carmen can make the model 18 cubes long by 1 cube wide,

or 9 cubes long by 2 cubes wide, or 6 cubes long by 3 cubes wide.

Answer: There are 3 ways.

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