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erik [133]
3 years ago
9

Solve for X 3(-2x-1)=2(x+5)

Mathematics
2 answers:
fredd [130]3 years ago
5 0
U need to use the distributive property ok? The u have to add or subtract the number on both sides bring it down and the you have to divide
fenix001 [56]3 years ago
4 0

Answer:

3(-2x-1) = 2(x+5)

-6x-3 = 2x+ 10

-13 = 8x | :8

-13/8 = x

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The minute hand of a clock is 3 inches long. How far does the tip of the minute hand move in 40 minutes​?
Mkey [24]

Answer:

  4π in ≈ 12.57 in

Step-by-step explanation:

One full revolution (2π radians) is made in 60 minutes. In 40 minutes, the hand moves through an angle θ of (40/60)(2π) = 4π/3 radians. The length of the arc is ...

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6 0
3 years ago
Jacob is cutting strips from a foot-long piece of wood for his woodworking class. He needs a strip of wood that is
sdas [7]

Answer:

8 piece shaded for the first one one

2 piece shaded for the second one

Step-by-step explanation:

You said 9/8 so 8 pieces shaded out of 9

You said 2/4 so 2 piece shaded out of 4

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3 years ago
A right triangle's height is 3 times the length of its base. if the area of the triangle is 486, what is the height?
Irina-Kira [14]
The formula of the area of a triangle:
A_\Delta=\dfrac{bh}{2}
b - the bash - the height
We have:
b - the base3b - the height486 - the area

Substitute:
\dfrac{3b\cdot b}{2}=486\ \ \ |\cdot2\\\\3b^2=972\ \ \ |:3\\\\b^2=324\to b=\sqrt{324}\\\\b=16\to h=3b=3\cdot18=54
Answer: The length of the height is equal 54 units.
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3 years ago
What is 51-8 as a fraction
Flura [38]

Answer:

6 3/8

Step-by-step explanation:

8 0
3 years ago
When you flip a biased coin the probability of getting a tail is 0.3.
LenKa [72]

Answer:

96

Step-by-step explanation:

0.3 × 320 = 96

5 0
3 years ago
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