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3 years ago

Determine the slope and the y-intercept 6y+x=6 Answer:

Mathematics

2 answers:

hram777 [196]3 years ago

7 0

Y would equal 0 so y=0

pishuonlain [190]3 years ago

6 0

I think y=0 because 6 multiple by 0 is 0 then x= 6 hope this helps might want to check my work to

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Pls solve the simultaneous equation in the attachment.

siniylev [52]

Answer:

Part a) The solution is the ordered pair (6,10)

Part b) The solutions are the ordered pairs (7,3) and (15,1.4)

Step-by-step explanation:

Part a) we have

$\frac{x}{2}-\frac{y}{5}=1$ ----> equation A

$y-\frac{x}{3}=8$ ----> equation B

Multiply equation A by 10 both sides to remove the fractions

$5x-2y=10$ ----> equation C

isolate the variable y in equation B

$y=\frac{x}{3}+8$ ----> equation D

we have the system of equations

$5x-2y=10$ ----> equation C

$y=\frac{x}{3}+8$ ----> equation D

Solve the system by substitution

substitute equation D in equation C

$5x-2(\frac{x}{3}+8)=10$

solve for x

$5x-\frac{2x}{3}-16=10$

Multiply by 3 both sides

$15x-2x-48=30$

$15x-2x=48+30$

Combine like terms

$13x=78$

$x=6$

<em>Find the value of y</em>

$y=\frac{x}{3}+8$

$y=\frac{6}{3}+8$

$y=10$

The solution is the ordered pair (6,10)

Part b) we have

$xy=21$ ---> equation A

$x+5y=22$ ----> equation B

isolate the variable x in the equation B

$x=22-5y$ ----> equation C

substitute equation C in equation A

$(22-5y)y=21$

solve for y

$22y-5y^2=21$

$5y^2-22y+21=0$

Solve the quadratic equation by graphing

The solutions are y=1.4, y=3

see the attached figure

<em>Find the values of x</em>

For y=1.4

$x=22-5(1.4)=15$

For y=3

$x=22-5(3)=7$

therefore

The solutions are the ordered pairs (7,3) and (15,1.4)

3 0

4 years ago

If you are paid every 3 months, or 4 times a year, what is that called?

ollegr [7]

Thank you! This helped a lot!!! :)

5 0

2 years ago

-7x+x-y-3+3 what is the answer Click and drag like terms onto each other to simplify fully.

Ilia_Sergeevich [38]

Answer:

the answer is -6x-y

Step-by-step explanation:

I'm good at math

5 0

1 year ago

2y to the power of 4 x 5y to the power of 3

Yakvenalex [24]

Answer:

(2•5y to the 7th power)

Step-by-step explanation:

Step 1: (2y to the 4th power • 5) • y to the 3rd power

Step 2: (2•5y to the 4th power) • y to the 3rd power

Step 3: 3.1 y to the 4th power multiplied by y to the 3rd power = y to the (4 + 3) power = y to the 7th power

Final answer: (2•5y to the 7th power)

6 0

3 years ago

John bought a cell phone for $99 and the %7 sales tax was added at the register. John gave the cashier six $20 bills, how much c

lord [1]

6.93 = tax

105.93 = total

He would receive $14.07

8 0

3 years ago

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