Andre was trying to write 7⁴/ 7⁻³ with a single exponent and wrote 7⁴/ 7⁻³ = 7⁴⁻³ = 7¹. Explain to Andre what his mistake was and what the answer should be.

Answer:

Add them all up then divided by how many numbers there are

Step-by-step explanation:  :)

Answer:

How do you find the mean?

The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are.

Step-by-step explanation:

Answer:

5h 15 min

Step-by-step explanation:

70 mph * 4,5 = 315 miles

315 / 60 = 5,25h

5,25h = 5 1/4h = 5h 15 min

Answer:

6.8

Step-by-step explanation:

i hope tis helps

Answer:

I think its 1/2 hope this helps

Step-by-step explanation:

Answer:

1/2 Block (B)

Step-by-step explanation:

7 1/2 divided by 15 is 1/2.

Answer:

You can practice a lot and reliable resources to help get answers.

Step-by-step explanation:

a couple of sites to practice on is IXL, khan academy, and aleks. hope this helps. :)

Answer:

-9

Step-by-step explanation:

This what you wrote:

[tex] cd - \dfrac{d^2}{4} = [/tex]

[tex] = (0)(-6) - \dfrac{(-6)^2}{4} [/tex]

[tex] = 0 - \dfrac{36}{4} [/tex]

[tex] = -\dfrac{36}{4} [/tex]

[tex] = -9 [/tex]

Maybe this is what you meant to write:

[tex] \dfrac{cd - d^2}{4} = [/tex]

[tex] = \dfrac{(0)(-6) - (-6)^2}{4} [/tex]

[tex] = \dfrac{-36}{4} [/tex]

[tex] = -9 [/tex]

Answer:

1.4 x 10^-4

I cant do powers on my laptop so thats what the arrow represents, I don't know if you know that or not so.

the -4 is because you move the decimal to the right 4 times to make the decimal between the two numbers making it 1.4

Answer:x=-7

Step-by-step explanation:

I hate files that give you viruses, anyways I'm going to do this question.

Though, can you give me more information please?

Answer:

Melinda saves 2 less dollars than Marcus each week.

Step-by-step explanation:

Y = 12x + 75 is Melinda's equation. Y = 14x + 25 is Marcus's equation. First we'll disregard how much money they have saved already to see how much they save weekly. So Melinda's new equation is Y = 12x, and Marcus's new equation is Y = 14x. Now we'll do Marcus's equation (14x) - Melinda's equation (12x) to see how much more money Marcus saves each week, which will in turn will tell us how much less money Melinda saves each week.

14 x - 12x = 2. (x-x=0) This tells us Marcus saves 2 more dollars than Melinda each week.

Which gives us our answer, Melinda saves 2 less dollars than Marcus each week.

Answer:

your welcomeeeeeeeeeeee

Step-by-step explanation:

:)

The sum on both sides need to be equal to be balanced. Because the right side is being multiplied then also multiply the left side.

Answer: 3rd choice: f1 x d1

Answer:

No solutions

Step-by-step explanation:

2x+3=2x+6-5

2x+3=2x+1

The two x's cancel out, so you get

3=1

Subtract 3 from each side to get

0=-2

So the answer is no solutions

Answer:

I think the larger block has a scale 25 times bigger than the smaller block since 100 divided by 4 equals 25

Please tell me if I'm wrong

I hope this helps

:D

Answer:

The Scale factor is 5.  

Step-by-step explanation:  

Because the area has cm^2  to find the scale factor you find the number it takes to get from one area to the next and take the square root.

4X = 100

X = 100/4

X = 25 (Take the sqrt because of area)

X = sqrt(25)

X = 5

The Scale factor is 5.

Answer:

Derions answer is not correct becuase 500 x 0.015=7.5 inches.  If he got this as an answer that would meen that the stack of paper is 7.5 inches tall, which is not correct.  

If we divide 1.875 by 500 we get 0.00375 which is the thickness of each sheet of paper.

Answer:

arithmetic (+3)

15, 18, 21

Step-by-step explanation:

Answer:

15,18,21

Step-by-step explanation:

Step-by-step explanation:

you just have to put the given values in place of the variable names and then simply calculate.

(-2² + 2²) - 2(-2² - 2²) = (4 + 4) - 2(4 - 4) = 8 - 2×0 = 8

so, B is the right answer.

please remember the correct sequence of operations :

first are brackets.

then exponents.

then multiplications and divisions.

and then (at last) additions and subtractions.

and also please remember : multiplying a negative number with a negative number creates a positive result.

that is of course also true for squaring a negative number, as ² just means that the negative number is multiplied with itself.

now you also know the result of -2³, right ?

as this means -2 is multiplied 3 times by itself. what does that do to the sign ?

-2 × -2 = 4 (positive).

but now we have to multiply a third time

4 × -2 = -8 (because multiplying a positive number with a negative number creates a negative result).

To find mean:

1) Add up all data values to get the sum

2) Count the number of values in your data set

3) Divide the sum by the count

First we have to find all the data values. We do this by finding all of the peas, not just the information numbers of peas in a pod.

4 x 2 = 8

5 x 10 = 50

6 x 18 = 108

7 x 14 = 98

8 x 6 = 48

8 + 50 + 108 + 98 + 48 = 312 total number of peas

2 + 10 + 18 + 14 + 6 = 50

312 / 50 = 6.24 peas per pod

So in our example the mean number of peas in a pod is 6.24.

I hope this helps! :)

Answer:

$1.25 per pound

Step-by-step explanation:

$5 ÷  4 = $1.25

$8.75 ÷ 7 = $1.25

Answer:

24.75

Step-by-step explanation:

divide 33.00 by 4 and multiply the sum by 3

Answer:

57.75

Step-by-step explanation:

Answer:

Melinda adds $12 to her savings account each week and Marcus adds $14 each week  

Melinda adds $2 less than Marcus

Step-by-step explanation:

Melinda:

135 - 75 = 60

60 ÷ 5 = 12

She saves $12 each week

Marcus:

y=14x+25

y=14x5+25

y= 70+25

y=95

95-25=70

70÷5= 14

Marcus saves $14 each week

Step-by-step explanation:

given,

dollars saved by Sam = 6x + 8

dollars saved by Teresa = 14x + 32

total money = $220

a/q

money saved by,

sam + Teresa = $220

so,

6x + 8 + 14x + 32 = 220

20x + 40 = 220

20x = 220 - 40 = 180

x = 180/20 = 9

x = 9

now,

money saved by,

Sam = 6x + 8 = 6(9) + 8 = $62

Teresa = 14x + 32 = 14(9) + 32 = $158

therefore,

money individually saved by Sam is $62 and by Teresa $158.

HOPE THIS ANSWER HELPS YOU DEAR! TAKE CARE

Well, 9:00 AM to 4:00 PM would be 7 hours. 7 hours into minutes would be 420. 420 divided by 20 is 21. This means it multiplies 21 times from 9:00 to 4:00. Since it multiplies by 2, than you need to skip count with the pattern multiply by 2 and stop once you have 21 numbers.

1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576. That would be 21 numbers.

The answer would be 1048576.

I think this is correct. :/

Answer:

$20

Step-by-step explanation:

multiply 100.00 x 5% which is 100x 0.05, then it will give you 5.

add 5, 4 more times which will give you 20

Answer:

Step-by-step explanation:

First change 4 3/10 to 4.3. Then you change 4.3 + -6.2 to 4.3 - 6.2.

Then you do 4.3 - 6.2 and you should get - 1.9.

Answer:

The answer is (-1.9)

Step-by-step explanation:

4 3/10 = 4 × 10 + 3/10 = 43/10 = 4.3

Now,

4.3 - 6.2 = -1.9

Thus, The answer is (-1.9)

-TheUnknownScientist 72

The answer is c. 180

Answer:

I say the first graph in the first pic

Also,the 2nd graph in the 2nd pic

Answer:

the first one

Step-by-step explanation:

Answer:

3 cups of seeds and 2 tablespoons of maple syrup

-OR-

6 cups of seeds and 4 tablespoons of maple syrup

Step-by-step explanation:

As this is a ratio of 9:6: "for every 9 cups of seeds, there is 6 tablespoons of maple syrup"

The original ratio is 3:2 "for every 3 cups of seeds, there is 2 tablespoons of maple syrup"

Using this ratio, we can infer that 3:2 or 6:4 would be a simpler answer for this problem. If there is doubt, it would be better to use 3:2 as it is the smallest ratio.

Answer:hich number line shows the solution set for StartAbsoluteValue StartFraction s Over 2 EndFraction + 4 EndAbsoluteValue less-than 2.? A number line going from negative 14 to positive 10. Open circles are at negative 12 and negative 4. Everything between the points is shaded. A number line going from negative 14 to positive 10. Open circles are at negative 12 and negative 4. Everything to the left of negative 12 and to the right of negative 4 is shaded. A number line going from negative 14 to positive 10. Closed circles are at negative 4 and positive 4. Everything to the left of negative 4 and to the right of positive 4 is shaded. A number line going from negative 14 to positive 10. Closed circles are at negative 4 and positive 4. Everything between the points is shaded.

Step-by-step explanation:

Answer:

Step-by-step explanation

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