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Effectus [21]
3 years ago
10

Help for number 12 pls

Mathematics
2 answers:
Marianna [84]3 years ago
7 0
10 minutes left of homework
andrew11 [14]3 years ago
4 0
Set up an equation of 22-12 to get 10 questions left.

Then remember that for one question he needs one minute so for 10 questions he needs 10 minutes.
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Simpify the expression.<br>5+4z-2z<br><br>Simpilfied expression ​
Dafna11 [192]

Answer:

2z + 5

Step-by-step explanation:

you have to combine like terms

subtract 4z - 2z and you get 2z

the number with the variable next to it goes first not the constant

2z + 5

the variable is z and the constant is 5 because it doesn't have variable next to it

hope this makes sense and helps :)

tell me if you have any questions

4 0
3 years ago
Read 2 more answers
At some department store, all suits are reduced 30% from the retail price. If a man purchased a suit that originally rera ec for
Arisa [49]

Answer:

$78.72

Step-by-step explanation:

To find 30% of the original value, we need to turn this percentage into a decimal or a fraction and then multiply it by the original value

  • 30% is equivalent to 0.30, \frac{30}{100}, and \frac{3}{10}
  • So we can use either of these values. I will use 0.30 for simplicity

  • ($262.40)(0.30) = $78.72 is the amount saved
5 0
3 years ago
Approximately how many times greater is
katovenus [111]

Answer:

30

Step-by-step explanation:

To compare the numbers, divide the first number by the second number.

(7.4 x 10^8)/(2.5 x 10^7) = (74 x 10^7)/(2.5 x 10^7) = 74/2.5 = 29.6

Answer: 30

3 0
2 years ago
Read 2 more answers
The number of hours Linda sleeps eachnight for two weeks is shown. Find themean absolute deviation, rounding tothe nearest whole
uysha [10]
To do this add all the numbers up then divide it by the amount of numbers there are
8 0
3 years ago
What is 3x+5=-9 in slope intercept form
Nata [24]

Answer:

x=-14/3

Step-by-step explanation:

3x+5=-9

3x=-9-5

3x=-14

x=-14/3

4 0
3 years ago
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