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AVprozaik [17]
3 years ago
9

A first number plus twice a second number is 8 twice the first number plus the second totals 25

Mathematics
1 answer:
meriva3 years ago
6 0

Answer:

The first number is 14

The second number is -3

Step-by-step explanation:

x + 2y = 8

2x + y = 25

Solving simultaneously,

2x + 4y = 16

2x + y = 25

On subtracting, we have

3y = -9

y = -3

Going to substitute for y, we have

x + 2(-3) = 8

x - 6 = 8

x = 14

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6 0
3 years ago
A square in the board below and a letter in the word ATTENTION is chosen at
kolezko [41]

Answer:

4 /15

Step-by-step explanation:

From the number cube :

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P(choosing T) = 3 / 9 = 1/3

P(greater than 4, then T) = 4/5 * 1/3 = 4 /15

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3 years ago
identify a pattern in the given list of numbers. then use this pattern to find the next number.​ 1,5,1,10,1,20,1
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Rewrite the equation in vertex form. Name the vertex and y-intercept. y=3/5x^2+30x+382
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