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Sergio039 [100]
4 years ago
7

Find three ordered pairs that satisfies thefollowing equation:3x+2y=4​

Mathematics
1 answer:
Readme [11.4K]4 years ago
5 0

Answer:

see explanation

Step-by-step explanation:

Rearrange the equation expressing x or y in terms of the other variable.

2y = 4 - 3x ( divide both sides by 2 )

y = \frac{4-3x}{2}

Choose suitable values for x and evaluate for y

x = 2 → y = \frac{4-6}{2} = \frac{-2}{2} = - 1

Thus (2, - 1 ) ← is a solution

x = - 2 → y = \frac{4+6}{2} = \frac{10}{2} = 5

Thus (- 2, 5 ) ← is a solution

x = 4 → y = \frac{4-12}{2} = \frac{-8}{2} = - 4

Thus (4, - 4 ) ← is a solution

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Someone answer need to delete
pishuonlain [190]

Answer:

I hope this helps!

Step-by-step explanation:

Have a great rest of your day!

6 0
3 years ago
What is the slope of (17,-15) (11,-13)
Korolek [52]

Answer:

The slope of this line is -1/2

Step-by-step explanation:

To find the slope of any equation, we need to use the slope formula.

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

m = (-13 - -15)/(11 - 17)

m = (-12 + 15)/(11 - 17)

m = 3/-6

m = -1/2

7 0
4 years ago
In a sample of 800 U.S. adults, 218 dine out at a restaurant more than once a week. If two U.S adults are selected at random fro
andre [41]

Answer: 0.074

Step-by-step explanation:

Given : The total number of U.S. adults in the sample = 800

The number of U.S. adults dine out at a restaurant more than once a week = 216

The probability for an adult dine out more than once per week :-

\dfrac{218}{800}

If another person is selected without replacement ,then

Total adults left = 799

Total adults left who dine out at a restaurant more than once a week = 217

The probability for the second person dine out more than once per week :-

\dfrac{217}{799}  

Now, the probability that both adults dine out more than once per week :-

\dfrac{218}{800}\times\dfrac{217}{799}=0.074

3 0
3 years ago
David weeds lawns in his neighborhood to earn money to buy video games. For each lawn, he charges $5.50. If he weeds 4 lawns on
yawa3891 [41]

Answer:

$51.75

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
B. If some amount of water contains 1400 oxygen atoms, how many hydrogen atoms does it contain?
Genrish500 [490]

Answer:

B: 2800 hydrogen atoms

C: 6760 hydrogen atoms

D: y=amount of oxygen atoms*2

Step-by-step explanation:

B: We know the formula for water is H2O. SO that means that there is 2 hydrogen atoms and 1 oxygen atom. So there is 2 times the amount of hydrogen atoms so we can do 1400*2=2800, So there is 2800 hydrogen atoms in the water.

C: Same thing as B. 3380*2=6760

D: y=amount of oxygen atoms*2. Because there is one oxygen atom and two hydrogen atoms so 1*2=2.

5 0
3 years ago
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