2 years ago

Write 10x - 5y = 30 in slope intercept form

Mathematics

1 answer:

ladessa [460]2 years ago

4 0

Slope intercept form is y = 2x - 6

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He simultaneous equations<br>5x + y = 21<br>x - 3y = 9 <br><br>With working out

Elza [17]

Answer:

see explanation

Step-by-step explanation:

Given the 2 equations

5x + y = 21 → (1)

x - 3y = 9 → (2)

Multiply (1) by 3 and add the result to (2) to eliminate y term

15x + 3y = 63 → (3)

Add (2) and (3) term by term

(x + 15x) + )- 3y + 3y) = (9 + 63)

16x = 72 ( divide both sides by 16 )

x = 4.5

Substitute x = 4.5 into (1) for corresponding value of y

22.5 + y = 21 ( subtract 22.5 from both sides )

y = - 1.5

Solution is (4.5, - 1.5 )

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2 years ago

1. What is the solution to 5 + t = 23 a. T=28 b. T=18 c. T= -18 d. T= -23 2. What is the value of b if -7 + b = -8 a. B=15 c. B=

kramer

The answer to number one is 18 and the answer to number two is -1

3 0

2 years ago

Read 2 more answers

A rental company charges a flat fee of $200 plus $50 per day. Create a linear function to represent where f(x) is the total cost

VARVARA [1.3K]

Y=50x+200

Hope that helps!

7 0

3 years ago

10. Which of the following corresponds to the midpoint of the points A(-2, 5, -3) and B(7,-4, 10)

pochemuha

Answer:

Step-by-step explanation:

$mid ~point~of~A(-2,5,-3)~and~B(7,-4,10) ~is~C(\frac{-2+7}{2} ,\frac{5-4}{2} ,\frac{-3+10}{2} )\\=(\frac{5}{2},\frac{1}{2} ,\frac{7}{2} )$

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3 years ago

SOMEONE DO NUMBER 1 AND 2 FOR ME, ILL GIVE BRAINLIEST

amid [387]

Answer:

1. The second number line, the third number line, the first number line.

$a) \: 1 \frac{7}{8} > \frac{7}{4}$

$b) \: \frac{21}{5} = 4 \frac{1}{5}$

$c) \frac{13}{4} < 3 \frac{5}{6}$

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2 years ago