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Anni [7]
2 years ago
7

Find the error in the student’s calculation. 2 cubed (2 minus 4) + 5 (3 minus 8). 2 cubed (negative 2) + 5 (5). 8 (negative 2) +

25. Negative 16 + 25. 9. The student should have simplified the exponent first. The student did not subtract 3 and 8 correctly. The student should not have multiplied 8 and -2. The student did not make an error.
Mathematics
2 answers:
Mars2501 [29]2 years ago
7 0

Answer:

B

Step-by-step explanation:

jonny [76]2 years ago
4 0

Answer:

the other dude got it right its b

Step-by-step explanation:

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5 times a number is 110 less than 7 times that number
Nitella [24]

Answer:

55

Step-by-step explanation:

let the number=x

5x=7x-110

7x-5x=110

2x=110

x=110/2=55

3 0
3 years ago
HELP HELP HELP Sally can paint a room in 4 hours. Joe can paint a room in 6 hours. How
Dmitry [639]

Answer:

2 hrs, 24 min

Step-by-step explanation:

Sally:  in one hour, she can paint 1/4 of the room.

Joe: in one our, he can paint 1/6 of the room

Hour one: 1/4+1/6=3/12+2/12=5/12

1÷5/12=1*12/5=12/5

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6 0
2 years ago
Read 2 more answers
I need some guidance and help on this please.
MatroZZZ [7]
The answer is (3,4) since x=3 and when the line is at x=3, it hits y=4. So the answer is (3,4).
3 0
3 years ago
Find the perimeter of a circle O
ExtremeBDS [4]

The formula for finding the perimeter of a circle is P = 2 x 3.14 x r

The perimeter would be 2 x 3.14 x 14

The perimeter is 87.92 cm


6 0
3 years ago
What is the gcf of 23 and 50
valkas [14]

Answer:

The greatest common factor of 23 and 50 is 1

Step-by-step explanation:

7 0
3 years ago
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