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Anuta_ua [19.1K]
2 years ago
15

Solve this equation by elimination method...

Mathematics
1 answer:
Snowcat [4.5K]2 years ago
4 0

Answer:

x=2,y=-3

Step-by-step explanation:

detailed explanation showed in the image above

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I need help please?!!!!!
Oksi-84 [34.3K]

Answer:

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8 0
3 years ago
Read 2 more answers
Our club has 25 members, and wishes to pick a president, secretary, and treasurer. In how many ways can we choose the officers,
Rus_ich [418]

Answer:

13800

Step-by-step explanation:

The order of the members is important (because each selected member will receive a different position), thus we then need to use the definition of permutation.

There are 25 members, of which 3 are selected.

\begin{array}{l}n=25 \\r=3\\end{array}

Evaluate the definition of a combination:

P(25,3)=\frac{25 !}{(25-3) !}=\frac{25 !}{22 !}=25 \cdot 24 \cdot 23=13800

8 0
3 years ago
Average rate of change
Ganezh [65]

Answer:

The average rate of change in that space would be 12.

Step-by-step explanation:

To find this, use the two ordered pairs (-1, 3) and (1, 27) in the slope formula.

m(slope) = (y2 - y1)/(x2 - x1)

m = (27 - 3)/(1 - -1)

m = 24/2

m = 12

7 0
2 years ago
Student A has a probability of 0.9 of solving a problem while student B has a probability of 0.6 of solving the problem. What is
Vilka [71]

answer

0.54

explanation

since student A and student B are independent of each other, we multiply their individual probabilities to get the probability of both solving the problem

A * B

= 0.9 * 0.6

= 0.54

there is a 0.54 probability that both will solve the problem

6 0
3 years ago
Y=35+x how I do solve for x
Mazyrski [523]

Try to put x on one side.

Do y       =       35+X

    -35            -35

Now you have Y-35=x

Hope this helped

5 0
3 years ago
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