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3 years ago

5

What is the answer???

1 answer:

bonufazy [111]3 years ago

3 0

First, change one of the equations to an y=x form I'll use the top one for example.
3x-2y=14
-2y=14-3x
y=-7+(3/2)x
Not that you can show what y is in terms of x, plug in the x side of the equation into the other equation, for y.
x+2(-7+(3/2)x)=10
Now, you can solve for x
x-14+3x=10
4x-14=10
4x=24
x=6
Using this value of x, we can now solve for y using one of the original equations.
(6)+2y=10
2y=4
y=2

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PLEASE HELP WILL MEDAL BRAINLIEST ANSWER!

babunello [35]

The amount after 7 years is given by:
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3 years ago

A room contains three urns: u1, u2, u3. u1 contains 3 red and 2 yellow marbles. u2 contains 3 red and 7 yellow marbles. u3 conta

Archy [21]

Answer:

$\dfrac{11}{30}$

Step-by-step explanation:

Urn U1: 3 red and 2 yellow marbles, in total 5 marbles.

The probability to select red marble is $\dfrac{3}{5}=0.6.$

Urn U2: 3 red and 7 yellow marbles, in total 10 marbles.

The probability to select red marble is $\dfrac{3}{10}=0.3.$

Urn U1: 1 red and 4 yellow marbles, in total 5 marbles.

The probability to select red marble is $\dfrac{1}{5}=0.2.$

The probability to choose each urn is the same and is equal to $\frac{1}{3}.$

Thus, the probability that the marble is red is

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3 years ago

N + N - 35000=833000

adell [148]

Answer:

N + 434000

Step-by-step explanation:

N + N - 35000 = 833000

(add 35000 to both sides)

N + N = 868000

(N + N is equivalent to 2N)

2N = 868000

(divide both sides by 2)

N = 434000

8 0

3 years ago

A bag contains 77 orange marbles and 21 green marbles. If a representative sample contains 33 orange marbles, then how many gre

Cerrena [4.2K]

77 green marbles

try googling the rest or 33/77=77%

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3 years ago

25 points please help!

AnnZ [28]

Answer:

x= 10

Step-by-step explanation:

If line m is parallel to line n,

(8x +50)°= 130° (corr. ∠s, m//n)

8x +50= 130

Bring constants to one side:

8x= 130 -50

8x= 80

Divide both sides by 8:

x= 80 ÷8

x= 10

5 0

3 years ago