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NISA [10]
3 years ago
8

Solve the problem below X-y=1 X+y=3

Mathematics
2 answers:
baherus [9]3 years ago
8 0
X=4 y=-3 that is the answer I think I am not positive did it in my head fast
torisob [31]3 years ago
3 0
X = 2
Y= 1

2-1 = 1 ✔️
2+1 = 3 ✔️
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Are there always the same number of prime numbers between 2 consecutive multiples of 10? Why?
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Step-by-step explanation:

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Harlamova29_29 [7]

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D

Step-by-step explanation:

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ki77a [65]
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3 0
3 years ago
Read 2 more answers
On three examinations, you have grades of 85, 78, and 84. There is still a final examination, which counts as one grade In order
kirill [66]

Answer:

The average of the provided grades are 86.75

Step-by-step explanation:

Consider the provided information.

On three examinations, you have grades of 85, 78, and 84. In order to get an A your average must be at least 90.

In the last exam you get 100 marks now calculate the average by using the formula:

\frac{\text{Sum of observations}}{\text{Number of observations}}

\frac{85+78+84+100}{5}

\frac{347}{5}

86.75

86.75 is less than 90 so you will not get A.

The average of the provided grades are 86.75

6 0
4 years ago
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