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masya89 [10]
3 years ago
7

What is the solution?

Mathematics
2 answers:
wariber [46]3 years ago
5 0
Whats the attachment
ivann1987 [24]3 years ago
5 0
If you solve by graphing just remember that the slope of the lines are the x values and the y-intercept is the constant value. 

But I will also solve by substitution:

Set one equation equal to the other:

x - 1 = 1/2 x + 1

Add one to both sides of the equation:

x = 1/2 x + 2

Subtract 1/2 x from both sides of the equation:

1/2 x = 2 

Multiply both sides of the equation by two:
x = 4. 
Plug this value of x into the first equation:
y = 4 - 1 
Solve for y:
y= 3 
Check the solution by plugging the values of x and y into either equation:
3 = 1/2(4) + 1
3= 2 + 1 
3 = 3

Hope this helps and let me know if you have more questions!

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The radius of a circle is 2.9 in. Find the circumference to the nearest tenth.
ELEN [110]

Answer:

\bf \large 20 \: inches

Step-by-step explanation:

<h2>Given that :</h2>

  • The radius of a circle is 2.9 in.

<h2>to find :</h2>

  • Find the circumference to the nearest tenth.

<h2>formulas used :</h2>

  • circumference = 2 × π × r

where,

  • π = 22/7
  • r = 2•9 inches

<h2>explanation :</h2>

⟼ c = 2πr

⟼ c = 2 × 22/7 × 2•9 inches

⟼ c = 2 × 3•14 × 2•9 inches

⟼ c = 6•28 × 2•9 inches

⟼ c = 18•21 inches.

<h2>Round to the nearest tenth :</h2>

⟼ c = 18•21 inches

⟼ c = 20 inches

∴ circle circumference is 20 inches .

3 0
3 years ago
Josh has a box of ballons.in that box he finds that 1/8 of the ballons are blue out of 120 ballons in the box the rest is red.ho
Stolb23 [73]

Answer:

15

Step-by-step explanation:

1/8 times 120= 15

5 0
3 years ago
your friend bought 3 bags of wild bird seed and an $18 bird feeder. each bag of birdseed costs the same amount. if your friend s
IrinaVladis [17]
The total amount that your friend spent is the sum of the cost for 3 bags of wild bird seed and the bird feeder. By letting x be the cost of each bag of wild bird seed, the total cost for purchasing 3 bags of this is 3x. The equation that may be used to determine x is letter "B. 3x + 18 = 45". Each bag costs $9.
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3 years ago
Is this correct or need more? but still need help
lana [24]
8 ft= ___ inches
1 ft= 12 inches
8 ft= 12 x 8 inches
8 ft=96 inches
She has 96 inches, but she needs 100 inches. So she needs 4 more inches of lumber. 
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3 years ago
Read 2 more answers
Y 20 18 16 14 12 Total Cost ($) 10 000 2 3 1 2 Time (hours) 2. 3 4 6 8 y = IX +​
Monica [59]
To find the m(slope) of our graph we can take two points from the graph, im going to use (0,2) and (1,8) the formula for slope is y2-y1/x2-x1
Plug the points in to get 8-2/1-0
The slope of this equation is 6.

For the y-intercept we just find where the line meets the y-axis and that is at 2.

The equation for this graph is y=6x+2
8 0
3 years ago
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