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3 years ago

Which equation best represents the line on the graph

Mathematics

2 answers:

Ahat [919]3 years ago

5 0

first it's 4x because the line is on the x axis and it's fourth over and it's positive. second the line is moving downward and it's in the y line which is 8 and would be subtracting because it's negative. so the answer is A. (the first one)

sergeinik [125]3 years ago

3 0

I think it's a I usually count the boxes

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The sum of Jim's weight and Bob's weight is 180 pounds. If you subtract Jim's weight from Bob's weight, you get half of Bob's we

Furkat [3]

Answer:

120 pounds

Step-by-step explanation:

We can use systems of equations to solve this problem. Assuming j is Jim's weight and b is Bob's weight, the equations are:

j + b = 180

b - j = 1/2b

Let's get b - j = 1/2b into standard form (b, then j, then the equal sign, then the constant.)

$b - j = \frac{b}{2}\\\frac{b}{2} - j = 0$

Now we can solve using the process of elimination.

$b + j = 180\\\\\frac{b}{2} - j = 0\\\\b + \frac{b}{2} = 180\\\\b + b \cdot 2 = 180\cdot 2\\3b = 360\\b = 120$

Now we know how much Bob weighs, for fun, let's find Jim's weight by substituting into the equation.

$120 + j = 180\\j = 180-120\\j = 60$

So Bob weighs 120 pounds and Jim weight 60 pounds.

Hope this helped!

4 0

3 years ago

Read 2 more answers

What's the area if an equilateral triangle with sides of 10 inches and height of 7 inches

Hitman42 [59]

Formula: (Base * Height) / 2 = Area

(10 * 7) / 2 =
70 / 2 =35 inches squared

Hope I helped

ΩΩΩΩΩΩΩΩΩΩ

7 0

4 years ago

Eric's notebook has 30 pages he wants to write a number on each page starting with one how many digits will he right when he num

xeze [42]

It will be 29 bc if u minus 30-1 ull get that

4 0

3 years ago

Read 2 more answers

Armando got a job selling bags of peanuts at the local art festival. He is paid a fixed amount of $320 per

skelet666 [1.2K]

0.67n + 320

=(0.67 * 430) + 320

= 288.1 + 320

= $608.1

0.67n + 320 = 728.70

0.67n = 728.70 - 320

0.67n = 408.7

n = 408.7 / 0.67

n = 610 Bags of peanuts

6 0

3 years ago

Solve the system of equations below algebraically <br> 2x+3y=6 and -5x+2y=4

Charra [1.4K]

Steps
I’m using elimination so I’m trying to get rid of y
To do that I multiply the first equation by 2 and the second by -3. Then solve
4x + 6x = 12
15x + -6x = -12
—————————
19x + 0 = 0
Divid by 19 to get x to one side. 0/19 is 0 so
X= 0
Plug that into an equation so 0 + 3y = 6
Divid by 3 and y = 2
Answer x = 0 y = 2

7 0

3 years ago