Use place value multiplication with powers of 10 or equivalent fractions to explain what is happening mathematically to the decimal points in the divisor and the dividend before dividing

Answers

Answer 1

Answer:

436.8 x 100 / 62.08 x 100 = 43680/6208

Step-by-step explanation:

When you write the problem as a fraction, multiply the numerator and denominator by 100.  Multiplying each by 100 resulted in both numbers being whole numbers. 436.8/62.08 is the same as 43,680/6,208.


Related Questions

Harry bought 25 pens for 1.00. Find the unit rate

Answers

Answer:

4 cents

Step-by-step explanation:

1.00 divied by 25 =0.04 aka 4 cents

The answer is 4 cents because when you divide 1.00 by 25 it equals to 00.4 if you want a picture of the work her you go :)

Hope this helps :)

Find the domain of the relation.
{(23, 4), (-3, 8), (-25, -21), (20, 13), (21, -14)}
FA

Answers

Answer:

Here is the domain and range

Step-by-step explanation:

(0,0), (-6,6) , (3,1), (3,2), (3,-2), (8,9), (0,1), (1,0)

Domain are the x values
{-25, -3, 20, 21, 23}

The diagram represents a triangle that is reduced by a scale factor of 0.4.

A rectangle has a base of 6 inches and a height of 2 inches.

What is the height of the original triangle?
0.8 inches
2.4 inches
5 inches
8 inches

Answers

Answer:the answer would be 8.

Step-by-step explanation:

If you look at the reduced triangle, the height is 2. Therefore you would have to multiply by 4 instead of 0.4 even if the scale factor is 0.4. The reason is, you are enlarging the triangle to find the bigger triangle. If you did 0.4 times 2 you would get 0.8. But that wouldn’t make any sense if you said that that was the height of the ENLARGED triangle.

Answer:

8

Explanation:

Brainliest would be nice

I have a picture that is 30 inches wide and 20 inches tall. I would like the
picture to be a smaller scaled copy, and it needs to be 10 inches tall. How
wide should the new picture be?*

Answers

Answer:5 inches

Step-by-step explanation:

After complaining about the bonus plans, you wake up
on Conglomo's private island, where you break big rocks
into smaller rocks for $10 a day. There are 999 other
employees on the island, 998 of whom get paid the same
way you do. The last employee is your overseer, who is
paid $10 million per year.
What is the mean and median income for
workers on Super Happy Fun Island?
Which method of describing central tendency
better represents this data? Why?

Answers

Answers:

mean annual income =  $13,646.35

median annual income = $3,650

The median is a better measure of center

=======================================================

Explanation:

If you earn $10 a day, and do so for 365 days, then you earn 365*10 = 3650 dollars per year.

If there are 999 employees earning this amount, then the amount earned is 999*3650 = 3,646,350

Add on the 10,000,000 to get

10,000,000+3,646,350 = 13,646,350

The total amount earned is $13,646,350

Divide this over the 1000 people (999 workers + 1 boss)

We get: (13,646,350)/(1,000) = 13,646.35

The mean is annual income is $13,646.35

--------------------------------

The median is the middle most value. If you list out the pay amounts of just the workers, you'll get the list:

{3650, 3650, 3650, ..., 3650}

We will have 999 copies of 3650 listed out. You don't have to list all 999 of them. Just a few is a good start. The three dots indicate the pattern goes on until we reach the 999th item.

If we then tack on the overseer's pay, then we have the list

{3650, 3650, 3650, ..., 3650, 10 million}

I'm using "million" instead of the digits to avoid using commas here.

The middle won't change due to one item being tacked onto the end. The middle is going to be 3650 either due to it being part of the set, or we find the midpoint between 3650 and 3650, which averages out to 3650.

The median income is $3,650

-----------------------------------

The median income is the better measure of center because it represents where the workers are instead of some distant "midpoint" between the workers and the boss. No person is making $13,646.35 a year. They are either making $3,650 or they are making $10,000,000. There's nothing in between. So it's better go lean toward the larger group when deciding where the center should go. Think of it like a balance beam or a see-saw.

As you can see the median is not affected by outliers. We can change the "ten million" to something like "a hundred million" and the median would still be the same. I recommend you compute the mean if the overseer earns 100 million dollars, and you'll find the mean will increase dramatically. However, the median will stay where it's at. The only time the median will change is if we introduce elements that are somewhere around (either higher or lower) than 3650, and these values are close to 3650. But this won't change the center very much compared to the drastic changes the mean undergoes due to such a large outlier.

The general rule of thumb is: a large outlier to the right pulls the mean to the right. An outlier to the left pulls the mean to the left. In this case, the mean is pulled to the right. The data is skewed to the right (or positively skewed).

So again, the conclusion is that the median is the better measure of center.

Need help ASAP!!!!
Which two ratios form a proportion?

Answers

Answer:

C

Step-by-step explanation:

Pls make me brainliest

Answer:

The answer is C 1/2 and 7/14

Two equivalent ratios for a proportion

To determine whether the two ratios form a proportion, you can compare them using a common denominator

1/2 = 7/14

1x7 = 7

2x7 = 14

7/14 = 7/14

True or False:
If you have an odd number of negative factors your answer will be negative. *
<3

Answers

Answer:

It's true,

I'm sure about it

4 4/10 divided by 4 2/3

Answers

Answer: Responding for points

Step-by-step explanation:

Answer:

33/35

Step-by-step explanation:

I think

a number, a variable, or a product of a number and one or more variables

Answers

Answer:

Polynomials

Step-by-step explanation:

The scale on a map indicates that 1 inch corresponds to an actual distance of 115 miles . Two cities are 7.5 inches apart on the map . What is the actual distance between the two cities?

Can someone please help me with this question I don’t understand it. Thank you

Answers

Answer:

it is 862.5

Step-by-step explanation:

each inch is 115 miles, so if theres two inches theres double the amount that there would be if there was 1 inch, so if theres 7 inches then you would have 7 times the amount it would be if there was 1 inch, in this situation theres 7.5 so you would multiply the 115 miles by 7.5 becuase that's how many inches there is, so multiplying that is the same as adding 115 plus 115 plus 115, and so on till you get the amount you need. did this help?

Jina's dance recital started at 4:46 PM. It ended at 6:13 PM. How long did the recital last?

Answers

Answer:

Jina's recital lasted 2 hours and 7 minutes

Hope that helped

Step-by-step explanation:

Answer:

2 hour and 7 minutes is the answer

Timed!! Answer hurry!

Answers

45/65 equals .6923, so D is the right answer

simplify the fraction 15/20

Answers

15/20

Figure out what number to use for simplify

Which is 5

Divide the numerator and denominator by 5

15/5=3

20/5=4

Answer:3/4

List the number from greatest to least 3/2, 0.75,-24,-3/2

Answers

Answer:

3/2, 0.75,-3/2, -24

Step-by-step explanation:

I think that's the answer

Evaluate 5⁶/5²

is it not 5⁴?​

Answers

Your answer is correct because you subtract the exponents!


Which of these functions are linear?
Choose all that apply.
Ay+ 4 = 2x
By=3-x?
с
X
0
1
2
3
4
у
-1
-0.5
o
-0.5
-1
D
X
-2
2.5
wlo
1
3.25
2
3.5
у
2.75
E
-51
-2
2
F

Answers

Can we get a picture, cant see what im supposed to and we’re

Find a quadratic function that includes the set of values below.
(0,4), (2,10), (4,0)
The equation of the parabola is y=

Answers

Answer:

Step-by-step explanation:

The standard form is (x - h)2 = 4p (y - k), where the focus is (h, k + p) and the directrix is y = k - p. If the parabola is rotated so that its vertex is (h,k) and its axis of symmetry is parallel to the x-axis, it has an equation of (y - k)2 = 4p (x - h), where the focus is (h + p, k) and the directrix is x = h - p.

Identify the graphed linear equation.
A) y = 5x + 2 y = 5x + 2
B) y = 5x - 2 y = 5x - 2
C) y = -5x + 2 y = -5x + 2
D) y = -5x - 2 y = -5x - 2

Answers

Answer:

Option (D)

Step-by-step explanation:

Let the equation of the given line is,

y = mx + b

m = slope of the line

b = y-intercept

From the graph attached,

Slope 'm' = [tex]\frac{\text{Rise}}{\text{Run}}[/tex]

m = [tex]\frac{-5}{1}[/tex] = -5

y-intercept of the given line = -2

Therefore, equation will be,

y = -5x - 2

Option (D) is the correct option.

- 4(6 + 5g) equivalent expressions

Answers

Answer:

the awnser is 4g because if you multiply the -4 by 6 and 5 g you get the equation: -24+-20g.. subtract -24 from -20 you will get 4g

What is the measure of

Answers

Answer:

m∠B = 105°

Step-by-step explanation:

Given

A = x+5B = 3xC = x

We know that the sum of angles in a triangle = 180°

A + B + C = 180°

x + 5 + 3x + x = 180°

5x + 5 = 180°

5x = 180° - 5

5x = 175

x = 175 / 5

x = 35

Thus, the measure of ∠B will be:

m∠B = 3x

         = 3(35)

         = 105°

m∠B = 105°

What is the slope for the line 8x-4y=24

Answers

Answer:

the slope is 2

Step-by-step explanation:

subtract 8x from both sides to get -4y = -8x + 24

then divide by -4 to get:

y = 2x - 6

3 - 1 1/4
This is Fractions

Answers

1 3/4 would be your answer

To make your fraction while you would add 3/4 to get 2 and the add one to get 3

So you answer would be 1 3/4

3.4+12a divided by 4 for a = 10

Answers

Answer:

the answer to your question is 33.4

Appliances at Discount City Store are on sale for 55% off of the original price. If the original price of a washing machine is $500, what does it cost after being reduced by 55% (before tax)?

Answers

Answer:

it will cost $255.

Step-by-step explanation:

225.

a product that normally costs $500 with a 55 percent discount will cost you $225.00, and you saved $275.00. You can also calculate how much you save by simply moving the period in 55.00 percent two spaces to the left, and then multiply the result by $500 as follows: $500 x . 55 = $275.00 savings.

solve each equation by finding square roots. If the equation has no real number solution, write no solution. 64b^2=16

Answers

B=1/4 hope it helps sorry if I’m wrong

3 r = 7/10 can anyone explain me how to do it please.

Answers

Answer:

3r = 7/10

3r = 0.7

r = 0.7/3

r = 0.23

Step-by-step explanation:


Petra bought some art supplies from an online retailer. The retailer charges a $5.95 shipping fee or 7.5% of the total purchase, whichever is
greater. If Petra's total purchase is $75,99, how much shipping will she pay?

Answers

Answer:

$81.94

Step-by-step explanation

I would subtract 5.95 to 75.99 first and get a total of 70.04 and put it off to the side then I would find out what 7.5 of the total purchase is (75.99) and that is 5.70 rounded and in the paragraph it said "whatever one is bigger" and in this case the 5.95 is bigger so you would add that to your total and get $81.94

Find the solution set of the inequality
- 4x + 35 > 2

Answers

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

Inequality Form:

x < 33/4

Interval Notation:

(− ∞, 33/4)

Recent test scores on the Law School Admission Test (LSAT) are normally distributed with a mean of 162.4 and a standard deviation of 15.9. What is the probability that the mean of 8 randomly selected scores is less than 161?

Answers

Answer:

0.40166

Step-by-step explanation:

When given random number of samples, we solve using the z score formula:

z = (x-μ)/σ/√n where

x is the raw score= 161

μ is the population mean = 162.4

σ is the population standard deviation = 15.9

n is random number of samples = 8

Hence,

z = 161 - 162.4/15.9/√8

z = -0.24904

Probability value from Z-Table:

P(x<161) = 0.40166

The probability that the mean of 8 randomly selected scores is less than 161 is 0.40166

Student #2:

4x + 1 ≤ -4
x + 1 ≤ -1
x ≤ -2


Solved the inequality incorrectly but graphed their solution correctly.
Solved the inequality incorrectly and graphed their solution incorrectly.
Solved the inequality correctly and graphed their solution correctly.
Solved the inequality correctly but graphed their solution incorrectly.

Answers

Answer:

B

Step-by-step explanation:

Answer:

The student solved the inequality correctly, but the graph incorrectly represents the solution calculated.

Step-by-step explanation:

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