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VladimirAG [237]

3 years ago

14

WILL GIVE BRAINLIEST

2 answers:

storchak [24]3 years ago

6 0

B I am pretty sure....

Sindrei [870]3 years ago

4 0

B jxkdjxjzjzkskslsmxndd she k

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Find the slope and y intercept of y= -3x - 2

sergejj [24]

Answer:

slope = -3

y-intercept = -2

Step-by-step explanation:

y = mx + <em>b</em>

m = slope; <em>b</em> = y-intercept

y= -3x <em>- 2</em>

m = -3 = slope

<em>b = -2 = y-intercept</em>

4 0

4 years ago

Read 2 more answers

Solve for x, y, and z

zloy xaker [14]

Answer:

The solution is x=1,y=2,z=3

Step-by-step explanation:

The given system of equations is ;\

2x−3y+4z=8...(1)

3x+4y−5z=−4...(2)

4x−5y+6z=12...(3)

Make x the subject in equation (1)

$x=\frac{8+3y-4z}{2}...(4)$

Put equation (4) into equation (2) and (3)

$3(\frac{8+3y-4z}{2})+4y-5z=-4$

Multiply through by;

$3(8+3y-4z)+8y-10z=-8$

Expand;

$24+9y-12z+8y-10z=-8$

Simplify;

$17y-22z=-32...(5)$

Equation (4) in (3)

$4(\frac{8+3y-4z}{2})-5y+6z=12$

$2(8+3y-4z)-5y+6z=12$

$16+6y-8z-5y+6z=12$

$y-2z=-4$

$y=2z-4...(6)$

Put equation (6) into equation (5)

$17(2z-4)-22z=-32$

$34z-68-22z=-32$

$34z-22z=-32+68$

$12z=36$

z=3

Put z=3 into equation (6)

y=2(3)-4=2

Put y=2 and z=3 into equation 4

$x=\frac{8+3(2)-4(3)}{2}=1$

The solution is x=1,y=2,z=3

3 0

3 years ago

Are 7/18 and -21/-56 are equivalent

kap26 [50]

Answer:

yes they are equivalent. if you simplify -21/-56 by dividing it by 3 you will get -7/-21 which equals to 7/21

6 0

3 years ago

It costs you $22.25 per day to rent a car in New York City. In addition, you have to pay 16 cents for every mile you travel. How

olganol [36]

Answer: $178.13

Step-by-step explanation:

418x0.16=66.88

22.25x5=111.25

111.25+66.88=178.13

4 0

3 years ago

What is the solution for -6x-17=19?

Sauron [17]

x = −6 would be your answer

:)

3 0

3 years ago

Read 2 more answers