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3 years ago

Gehdidhdvrhsiwhscsujsbejd

Mathematics

1 answer:

zhannawk [14.2K]3 years ago

3 0

Answer:

I agree completely

Step-by-step explanation:

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What is the value of y in the solution to the system of equations? x + y = 1 2x – 3y = –30

Sauron [17]

X + y = 1.....multiply by -2
2x - 3y = -30
-----------------
-2x - 2y = -2 (result of multiplying by -2)
2x - 3y = -30
----------------add
-5y = -32
y = -32/-5
y = 32/5 or 6.4 <===

7 0

3 years ago

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11+x=-7 <br><br>im using the wall thing with the line though the =.

mezya [45]

Answer:

x= -7-11

x=-18

Step-by-step explanation:

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3 years ago

Divide m2n3/p3 by mp/n2

Crank

I think this might be the answer you're looking for m^3n/p^2

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3 years ago

one family spends $134 on 2 adult tickets and 3 youth tickets at an amusement park. Another family spends $146 on 3 adult ticket

Eddi Din [679]

Answer:

Let x be the price of an adult ticket and y be the price of a youth ticket.

One family spends $134 on 2 adult tickets and 3 youth tickets so we can write: 2x+3y=134

Another family spends $146 on 3 adult tickets and 2 youth tickets so we can write: 3x+2y=146

We need to find y so we eliminate x. Multiply (1) by 3 and (2) by 2 to obtain (3) and (4): 6x+9y=402

6x+4y=292

Subtract (3) and (4) and solve for y: 5y=110

y=22→$22

Step-by-step explanation:

3 0

2 years ago

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. 7 prizes are to be distributed between 3 people with a guarantee that each person gets at least one prize. Find the number of

ANEK [815]

Answer:

Total number of ways to distribute the prize = 2187

$3^{7}= 2187$

Step-by-step explanation:

Given:

Number of prizes = 7

Number of peoples = 3

We need to find the total number of ways to distribute the prize.

Solution:

From the above statement, 7 prizes are to be distributed between 3 people, wherein each person gets at least one prize.

Each prize is to be distributed among three persons. When the first prize is to be awarded, one of the three is chosen to win the prize. When the second prize is to be awarded, there are again three choices.

So, total number of distribution of the prizes is given as:

$3\times 3 \times 3\times 3\times 3\times 3\times 3=3^{7}$

$3^{7}= 2187$

Therefore, total number of ways to distribute the prizes = 2187

7 0

3 years ago