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3 years ago

13

What is the function rule for the line

1 answer:

34kurt3 years ago

7 0

C)

f(x)= -2/3x-2

x= -3
f(0)= -2

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What is the solution to 3x -2y =1 and 4y = 7 + 3x

Delvig [45]

Given.

$3x-2y=1$ (1)

$4y=7+3x$ (2)

Re-arrange equation (2)

$(4y=7+3x)-4y$

$0=-4y+3x+7$

$(0=-4y+3x+7)-7$

$-7=-4y+3x$

Multiply equation (2) by -1

$-1(3x-4y=-7)$

$-3x+4y=7$ (3)

Combine like terms and solve.

$3x-3x-2y+4y=1+7$

$2y=8$

Divide by (2y) and solve for (y).

$\frac{2y}{2}=\frac{8}{2}$

$y=4$

Substitute (y) for equation (1).

$3x-2y=1$

$3x-2(4)=1$

$3x-8=1$

Add (8) to both sides.

$(3x-8)+8=(1)+8$

$3x=9$

Divide by (3).

$\frac{3x}{3}=\frac{9}{3}$

$x=3$

Check your work.

$3x-2y=1$

$3(3)-2(4)=1$

$9-8=1$

$1=1$

$4y=7+3x$

$4(4)=7+3(3)$

$16=7+9$

$16=16$

Your answers is $x=3$ and $y=4$

8 0

3 years ago

Need all the help I can get

o-na [289]

7)$25.50×.06=$1.53
$25.50+$1.53=$27.03
8)$66.30×.07=$4.64(actually $4.641 but have to round since it's money)
$66.30+$4.64=$70.94
9)$23.06×.065=$1.50(actually $1.4989 but have to round since it's money)
$23.06+$1.50=$24.56
10)$34.99×.0525=$1.84(actually $1.836975 but have to round since it's money)
$34.99+$$1.84=$36.83
11)$199.99×.0625=$12.50(actually $12.499375 but have to round since it's money)
$199.99+$12.50=$112.49
12)$130.25×.08=$10.42
$130.25+$10.42=$140.37

4 0

3 years ago

Farmer Brown needs to fertilize his hay pasture before spring arrives. He knows that the perimeter of his pasture is 1000 feet a

Pavlova-9 [17]

Answer: 40 bags

Step-by-step explanation:

Given: The dimension of farmers pasture is 1000 feet by 200 feet.

The area of pasture= $1000\ feet\times200\ feet=200,000\ feet^2$

Since, area covered by 1 bag of fertilizer= 5000 square feet

Therefore, the amount of fertilizer required for 1 square feet of area= $\frac{1}{5000}\ of\ bag$

The amount of fertilizer required for 5000 square feet of area= $200,000\times\frac{1}{5000}$

Therefore, the amount of fertilizer required for 5000 square feet of area= 40 bags

6 0

3 years ago

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A surveyor is standing 50 feet from the base of a building. The angle of elevation to the top of the building is 60°. Approximat

djyliett [7]

The building will probably be high but idk

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3 years ago

QUESTION IS DOWN BELOW WORTH 30 POINTS

Semenov [28]

Answer:

40 yds^3

Step-by-step explanation:

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2 years ago

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