4 years ago

What function is 2x+3y=12

Mathematics

1 answer:

sergeinik [125]4 years ago

7 0

The answer to your question is alphabetical order

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Joshua is five years older than David. Simon is four years older than Joshua and nine years older than David. Simon’s and David’

Tasya [4]

David's age: x
Joshua: x + 5
Simon: (x+5) + 4 or x + 9

Simon's age + David's age = 15
(x+9) + (x) = 15
2x = 15 - 9
2x/2 = 6/2
x = 3

The ages of the boys:

David: x = 3 years old
Joshua: 3+5 = 8 years old
Simon: 3+9 = 12 years old

Read more on Brainly.ph - https://brainly.ph/question/1602102#readmore

8 0

3 years ago

What happens when you round 9,999.999 to any place?

puteri [66]

Answer:

Step-by-step explanation:

9,999.999 becomes 10,000 regardless of what place is being rounded.

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4 years ago

If A, B, and C are collinear, and B is between A and C. The ratio of AB to AC is 4:5. If A is at (-3, 7) and B is at (1, -5), wh

Levart [38]

Answer:

the coordinates for c is 5, -17

Step-by-step explanation:

5 0

3 years ago

Consider this equation. cos(theta) = (-2√5)/5. If theta is an angle in quadrant II, what is the value of sin(theta)? NO LINKS!!!

vlada-n [284]

In second quadrant sin and cosec are positive

$\\ \tt\hookrightarrow sin^2\theta=1-cos^2\theta$

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$\\ \tt\hookrightarrow sin^2\theta=1-\dfrac{20}{25}$

$\\ \tt\hookrightarrow sin^2\theta=\dfrac{5}{25}$

$\\ \tt\hookrightarrow sin\theta=\dfrac{\sqrt{5}}{5}$

$\\ \tt\hookrightarrow sin\theta=\dfrac{1}{\sqrt{5}}$

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3 years ago

If $\frac{9u-11}{2} = \frac{19u+11}{3}$, what is the value of $u$? Ps i need the answer

klio [65]

I believe you are referring to this equation: (9u-11)/2 = (19u +11)/3. To solve this step-by-step, first, multiply each side by 6 which is the least common denominator of 2 and 3. This then results to: 27u - 33 = 38u + 22. Second, combine like terms on one side such that: 11u = -55. Finally, the value for u is calculated to be -5.

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3 years ago