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Valentin [98]
4 years ago
5

What is the answer to 2x(x-2)=x+3?

Mathematics
2 answers:
mariarad [96]4 years ago
5 0

2x^{2}-4x=x+3

2x^{2}-4x-x-3=0

2x^{2}-5x-3=0

2x        1

1x        -3

(2x-3)(x+1)

x=3/2 and x= -1

julia-pushkina [17]4 years ago
3 0

2
x
2
−
5
x
−
3
=
0
Step 3: Factor left side of equation.
(
2
x
+
1
)
(
x
−
3
)
=
0
Step 4: Set factors equal to 0.
2
x
+
1
=
0
or
x
−
3
=
0
x
=
−
1
2
or
x
=
3
Answer:
x
=
−
1
2
or
x
=
3
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The length of the midsegment of a triangle is always half the length of the side it is parallel to true or false
Vladimir [108]
True. The midsegment of a triangle is halfway up the triangle, and since the top half and the full triangle are similar triangles, its dimensions are proportional.

This means half the height will give half the base (midsegment). So the midsegment is always half the length of the side it's parallel to.
3 0
3 years ago
Graph the function f(x)=−13x+1.
pogonyaev

Graph each points:

f(x) = -13x + 1

when x = 0, y = 1

f(0) = -13(0) + 1

f(0) = 0 + 1

f(0) = 1

when x = 1, y = -14

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f(1) = -13 + 1

f(1) = -14

when x = 2, y = -25

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f(2) = -26 + 1

f(2) = -25

etc.

Graph each point and connect them.

7 0
4 years ago
A pet shop sells goldfish for $ 9 per dozen. How much would 6 goldfish cost? How many goldfish could you buy with $50?
deff fn [24]

Answer:

6 goldfish = $4.50. You can buy 66 goldfish with $50

Step-by-step explanation:

We know that dozen is 12, so 12 goldfish would be $9. To find how much one goldfish costs we would divide 9 and 12. 9÷12 is 0.75. So one goldfish is $0.75.

To find 6 goldfish just multiply 0.75 to 6. 6 goldfish would be $4.50.

We know that 0.75 times 100 would be 75 so you can only buy less than 100 goldfishes. You can buy 66 goldfishes with $50.

If this helped, I would appreciate it if you marked me brainliest. Have a nice day!

6 0
3 years ago
70 × 6000 associative properties
Hatshy [7]
You can do
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8 0
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11? Because, 4 times 11 is 44, plus 11 is 54. 12 would be too much.

7 0
3 years ago
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