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Alja [10]
3 years ago
7

Which answer explains the correct way to move the decimal to find the quotient of 23.8 × 100?

Mathematics
1 answer:
natima [27]3 years ago
6 0
The correct way to move the decimal to find the quotient is b. two places to the right.

This is because 100 has two zeroes in it, so you know that you have to move the decimal either two places to the right or two places to the left.  

100 is a positive number, and when multiplied by a positive number with a decimal, it makes an even larger number.  So, you would move 23.8 decimal place two places to the right.
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Find the domain of h(x)=x/x^2-x-6​
Fynjy0 [20]

Answer:

x

∈

R

−

{

−

2

.

3

}

Explanation:

h

(

x

)

=

x

x

2

−

x

−

6

is defined for all Real values of

x

except those values for which

x

2

−

x

−

6

=

0

x

2

−

x

−

6

=

(

x

+

2

)

(

x

−

3

)

So if

x

=

−

2

or

x

=

3

XXXX

x

2

−

x

−

6

=

0

and

XXXX

h

(

x

)

is undefined

3 0
3 years ago
Read 2 more answers
What is 1 1/8-3/4 also what is 3 5/8-2 7/8
katrin2010 [14]

Answer: 4.25

Step-by-step explanation: Conversion a mixed number 3 1/

8

to a improper fraction: 3 1/8 = 3 1/

8

= 3 · 8 + 1/

8

= 24 + 1/

8

= 25/

8

To find new numerator:

a) Multiply the whole number 3 by the denominator 8. Whole number 3 equally 3 * 8/

8

= 24/

8

b) Add the answer from previous step 24 to the numerator 1. New numerator is 24 + 1 = 25

c) Write a previous answer (new numerator 25) over the denominator 8.

Three and one eighth is twenty-five eighths

Conversion a mixed number 2 3/

8

to a improper fraction: 2 3/8 = 2 3/

8

= 2 · 8 + 3/

8

= 16 + 3/

8

= 19/

8

To find new numerator:

a) Multiply the whole number 2 by the denominator 8. Whole number 2 equally 2 * 8/

8

= 16/

8

b) Add the answer from previous step 16 to the numerator 3. New numerator is 16 + 3 = 19

c) Write a previous answer (new numerator 19) over the denominator 8.

Two and three eighths is nineteen eighths

Add: 25/

8

+ 19/

8

= 25 + 19/

8

= 44/

8

= 4 · 11/

4 · 2

= 11/

2

For adding, subtracting, and comparing fractions, it is suitable to adjust both fractions to a common (equal, identical) denominator. The common denominator you can calculate as the least common multiple of both denominators - LCM(8, 8) = 8. In practice, it is enough to find the common denominator (not necessarily the lowest) by multiplying the denominators: 8 × 8 = 64. In the next intermediate step, , cancel by a common factor of 4 gives 11/

2

.

In words - twenty-five eighths plus nineteen eighths = eleven halfs.

Conversion a mixed number 1 1/

4

to a improper fraction: 1 1/4 = 1 1/

4

= 1 · 4 + 1/

4

= 4 + 1/

4

= 5/

4

To find new numerator:

a) Multiply the whole number 1 by the denominator 4. Whole number 1 equally 1 * 4/

4

= 4/

4

b) Add the answer from previous step 4 to the numerator 1. New numerator is 4 + 1 = 5

c) Write a previous answer (new numerator 5) over the denominator 4.

One and one quarter is five quarters

Subtract: the result of step No. 3 - 5/

4

= 11/

2

- 5/

4

= 11 · 2/

2 · 2

- 5/

4

= 22/

4

- 5/

4

= 22 - 5/

4

= 17/

4

For adding, subtracting, and comparing fractions, it is suitable to adjust both fractions to a common (equal, identical) denominator. The common denominator you can calculate as the least common multiple of both denominators - LCM(2, 4) = 4. In practice, it is enough to find the common denominator (not necessarily the lowest) by multiplying the denominators: 2 × 4 = 8. In the next intermediate step, the fraction result cannot be further simplified by canceling.

In words - eleven halfs minus five quarters = seventeen quarters.

3 0
3 years ago
The ratio of cakes to cookies in the bakery was 3:5. If there were 90 cakes, how many cookies were in the bakery?
dsp73

Answer:

150 cookies

Step-by-step explanation:

⠀⠀⠀⠀⠀⠀⢀⣤⣀⣀⣀⠀⠻⣷⣄

⠀⠀⠀⠀⢀⣴⣿⣿⣿⡿⠋⠀⠀⠀⠹⣿⣦⡀

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⠀⠀⠙⢿⣿⡿⠋⠻⣿⣿⣦⡀⠀⠀⠀⢸⣿⣿⡆

⠀⠀⠀⠀⠉⠀⠀⠀⠈⠻⣿⣿⣦⡀⠀⢸⣿⣿⡇

⠀⠀⠀⠀⢀⣀⣄⡀⠀⠀⠈⠻⣿⣿⣶⣿⣿⣿⠁

⠀⠀⠀⣠⣿⣿⢿⣿⣶⣶⣶⣶⣾⣿⣿⣿⣿⡁

⢠⣶⣿⣿⠋⠀⠀⠉⠛⠿⠿⠿⠿⠿⠛⠻⣿⣿⣦⡀

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5 0
2 years ago
Read 2 more answers
I don’t know how to solve is hard
garri49 [273]

-7 + 1 + -1 x - 6

By PEMDAS, we must multiply first.

-7 + 1 + (-1 x -6)

-7 + 1 + 6

Then, we can add the numbers together.

-6 + 6

0

Evaluated expression: 0

Hope this helps!! :)

5 0
3 years ago
Read 2 more answers
Lisa, Susan, and Chris participated in a three person relay team. Lisa ran 1284 meters. Susan ran 1635 meters, and Chris ran 147
mars1129 [50]

Answer:

4.392 kilometers

Step-by-step explanation:

To find the length of the race in meters:

1284+1635+1473=4392 meters

Then divide by 1000 to find the length in kilometers:

4392/1000=4.392 kilometers

8 0
3 years ago
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