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avanturin [10]
2 years ago
8

9 Which expression is equivalent to 53p + (16p+7p)?

Mathematics
1 answer:
earnstyle [38]2 years ago
5 0

Answer:

D) (53p+16p)+7p

Step-by-step explanation:

53p + (16p+7p)=53p+23p=76p\\\\(53p+16p)+7p=69p+7p=76p

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How do. You solve <br> {4+3[2^3÷2
IgorC [24]

Answer:

16

Step-by-step explanation:

Simplify the following:

4 + 3×2^3/2

3×2^3/2 = (3×2^3)/2:

4 + (3×2^3)/2

Combine powers. (3×2^3)/2 = 3×2^(3 - 1):

4 + 3×2^(3 - 1)

3 - 1 = 2:

4 + 3×2^2

2^2 = 4:

4 + 3×4

3×4 = 12:

4 + 12

4 + 12 = 16:

Answer: 16

7 0
3 years ago
What is 2+32+24-46 *34-56=
Lapatulllka [165]
2+32 would be 34 then 34+34 is 68 and 68-56 is 12 that’s your answer
5 0
3 years ago
The incubation period for the eggs of a House Wren has a normal probability distribution with a mean time of 336 hours and a sta
geniusboy [140]

Answer:

2.28%

Step-by-step explanation:

If X is the random variable that measures the time of incubation needed before hatching, we want

P(X>343)

This is the area under the normal curve whose mean is 336 hours and its standard deviation 3.5 hours to the right of the point 343. (See picture attached)

This can be done easily with the help of a computer and we find

P(X>343) = 0.0228 or 2.28%

6 0
3 years ago
1) A chemist has 250 ml of a 5% acid solution. How much water should be added to this solution to reduce it to a 3% solution.
Firlakuza [10]

Answer:

153.1ml

Step-by-step explanation:

We have 12.5ml of acid in the solution.

If we want this to be 3% then we can divide this value by 3 and times by 100 to get the total value.

416.6ml total solution amount

415.6-12.5-250=153.1

3 0
3 years ago
helppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppppp
Klio2033 [76]

Answer:

12a + 18 = 12a + 18

Step-by-step explanation:

times what's in the brackets by what's to the left of the brackets

3 0
3 years ago
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