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Readme [11.4K]
3 years ago
12

Solve value of x. solve for x

Mathematics
1 answer:
user100 [1]3 years ago
3 0

Answer:

6

Step-by-step explanation:

8x+6x+6 = 90

14x = 84

x = 6

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The midpoint of AB is (3,2). If point is is located at(8,4) what are the coordinates of point B
Dmitry [639]

Step-by-step explanation:

8-3 = 5,

3-5 = -2 = the x coordinate of B

-2-4 =-6,

-2-6 =-8 = the y coordinate of B

(-2,-8) is the point B

A is 5 to the right of the midpoint, so B is 5 to the left of the midpoint

A is 6 up from the midpoint so B is 6 down from the midpoint

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2 years ago
In an endurance race, Rachel ran
Reil [10]

Answer:

31\frac{1}{5}\ miles

Step-by-step explanation:

we know that

The speed is equal to divide the distance by the time

so

The distance is equal to multiply the speed by the time

we have

speed=9\frac{3}{5}\ \frac{miles}{hour}

time=3\frac{1}{4}\ hours

distance=(9\frac{3}{5})(3\frac{1}{4})

Convert mixed number to an improper fraction

9\frac{3}{5}=9+\frac{3}{5}=\frac{9*5+3}{5}=\frac{48}{5}

3\frac{1}{4}=3+\frac{1}{4}=\frac{3*4+1}{4}=\frac{13}{4}

substitute

distance=(\frac{48}{5})(\frac{13}{4})=\frac{624}{20}=31,2\ miles

Convert to mixed number

31.2\ mi=31+0.2=31+\frac{1}{5}=31\frac{1}{5}\ miles

3 0
3 years ago
What is the volume of the cone
Darina [25.2K]

Answer: C. 2,787.64 yd.³

Step-by-step explanation:

Diameter = 22 Yards

Radius = 11 Yards (Diameter/2)

Height = 22 Yards

V = 1/3Bh

V = 1/3π(11 yd)²×(22yd)

V = 1/3π(121 yd)×(22yd)

V = 1/1π(121 yd)×(7.33yd)

V = 886.93π yd.³

V ≈ 2,787.64 yd³

7 0
3 years ago
Look at the picture <br> Please help
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I am not sure of this answer
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What is the domain of <img src="https://tex.z-dn.net/?f=%5Csqrt%7B2x-4%7D" id="TexFormula1" title="\sqrt{2x-4}" alt="\sqrt{2x-4}
MariettaO [177]

Answer:

all real numbers such that x is greater than or equal to 2 (x≥2)

Step-by-step explanation:

3 0
3 years ago
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