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Anarel [89]
3 years ago
6

Please help me!It's urgent! I beg you guys

Mathematics
1 answer:
LiRa [457]3 years ago
6 0

Answer:

y = -13

Step-by-step explanation:

y = 3x - 1             equation(i)

2x - y = 5            equation(ii)

now substitute the value of y in equation(ii)

2x - y = 5

2x - (3x -1) = 5

2x - 3x + 1 = 5

-x = 5 -1

-x = 4

x = -4

again substitute the value of x in equation (i)

y = 3x - 1

y = 3*-4 - 1

y = -12 - 1

y = -13

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A store keeper buys a fishing rod for $20 and sells it for $5 more than he bought it for. express this profit or gain as a perce
nataly862011 [7]
25/20 × 100% = 125%

125% - 100% = 25%

25% profit :)
5 0
4 years ago
A triangle has side lengths of 34 in., 20 in., and 47 in. Classify it as acute, obtuse, or right.
Anestetic [448]
34^2 + 20^2 = 1156 + 400 = 1556

47^2 = 2209

 because the squares of the 2 smaller sides is less than the square of the longer side the triangle is Obtuse

3 0
3 years ago
Will give brainlyest if u help
goblinko [34]

Answer:

No, because it fails the vertical line test ⇒ B

Step-by-step explanation:

To check if the graph represents a function or not, use the vertical line test

<em>Vertical line test:</em> <em>Draw a vertical line to cuts the graph in different positions, </em>

  • <em>if the line cuts the graph at just </em><em>one point in all positions</em><em>, then the graph </em><em>represents a function</em>
  • <em>if the line cuts the graph at </em><em>more than one point</em><em> </em><em>in any position</em><em>, then the graph </em><em>does not represent a function </em>

In the given figure

→ Draw vertical line passes through points 2, 6, 7 to cuts the graph

∵ The vertical line at x = 2 cuts the graph at two points

∵ The vertical line at x = 6 cuts the graph at two points

∵ The vertical line at x = 7 cuts the graph at one point

→ That means the vertical line cuts the graph at more than 1 point

   in some positions

∴ The graph does not represent a function because it fails the vertical

   line test

7 0
3 years ago
Yael used to have a square garage with 254 ft2 of floor space. She recently built an addition to it. The garage is still a​ squa
Anna [14]

Answer:

120

Step-by-step explanation:

5 0
4 years ago
A tree that is 3 feet tall is growing at a rate of 32% each year. How tall will it be in 3 years?
pashok25 [27]

Answer: 5.88 feet tall

Step-by-step explanation:

Using this formula

Interest =principal×rate×time/100

Principal is the actual growth=3ft

Rate is the 32%

Time is 3yrs

Interest =3×32×3/100

Interest =2.88

To get the value for 3yrs,add the interest to the principal value

Exact value in 3yrs=

3+2.88

=5.88 feet tall

4 0
3 years ago
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