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2 years ago

The graph of a linear system is shown. What is the solution the linear system?

Mathematics

1 answer:

Mkey [24]2 years ago

7 0

Answer:

y=3x-1 and y=3x+1

Step-by-step explanation:

y=mx+b form

m stands for the slope which is rise over run.

b stands for the y intercept. where the line intersects with the y axis.

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Find the length of BC. A.) 14 B.) 9 C.) 2 D.) 3

Vera_Pavlovna [14]

Answer:

A) 14

Step-by-step explanation:

BC is congruent to DC in saying this you can plug the equations to each other and solve for y and then put its back into the equation for BC to get the length.

3y+5=5y-1

subtract 3y from both sides --> 5=2y-1

add 1 to both sides --> 6=2y

now get y alone, divide by 2 by both side --> y=3

plug y in back to 5y-1 --> 5x3-1

15-1

BC = 14

7 0

3 years ago

LCM of 20 and 24. Pls answer this question.

GREYUIT [131]

Answer:

it's very simple..just see the image which I have sended you I have done it myself...hope you will understand

Step-by-step explanation:

please do follow me and keep asking me questions of maths and science I am quite good in them and don't forget to mark me as the brainliest answer✌✌

7 0

3 years ago

Read 2 more answers

Find the product of f(x)=3 and g(x)=x+7

DaniilM [7]

F(x)=3 domain: negative infinity, positive infinity range: 3

g(x)=x+7 domain: - infinity, + infinity range: - infinity, + infinity

8 0

3 years ago

9mph in still water it takes 5hrs longer to travel 74 miles upstream than downstream find the rate of current and round to neare

prohojiy [21]

Answer:

The rate of current is 2.5 mph.

Step-by-step explanation:

The speed in the water when current is absent is 9 mph.

If the speed of the current is v mph then the upstream speed is (9 - v) mph and the downstream speed is (9 + v) mph.

Now, it takes 5 hours longer to travel 74 miles upstream than down stream, then we can write the equation as

$\frac{74}{9 - v} - \frac{74}{9 + v} = 5$

⇒ $\frac{2v}{81 - v^{2} } = \frac{5}{74}$

⇒ 148v = 405 - 5v²

⇒ 5v² + 148v - 405 = 0

Applying Sridhar Acharya's formula we can write

$v = \frac{-148 + \sqrt{148^{2} - 4(5)(-405) } }{2(5)}$ (Neglecting the negative root)

⇒ $v = \frac{- 148 + 173.2166}{10} = 2.5$ mph (Rounded to the nearest 10th) (Answer)

7 0

4 years ago

A mean ogre stole 24 of your muffins. That was 3/4 of them! With how many did u start with?

Dmitry_Shevchenko [17]

Answer:32

Step-by-step explanation:

24/x = 3/4.....cross multiply and then divide

4 0

3 years ago

Read 2 more answers