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labwork [276]
3 years ago
8

“Solve for x” x/3 + x-1/4 =2+x

Mathematics
1 answer:
Lana71 [14]3 years ago
3 0

Answer:

-27/5

Step-by-step explanation:

[x*4 + 3(x-1)]\12=2+x

4x+ 3x -3 =12(2+x)

7x -3 =24 +12x

7x-12x =24 +3

-5x =27

x = (-27/5)

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The radius of a quarter circle is 3 what is the quarter circle's perimeter?
slava [35]

Answer:

21.42

Step-by-step explanation:

Imagine it as a full circle. 3 x 4 will give you the diameter of a full circle, which is 12. circumference = pi x diameter. so 12 pi (we can work that out later). now for the quater circle, divide it by 4, so 3 pi. Then you have the 2 extra edges which are both 2r, so 6 each. finally, you have 3 pi plus 12 which = 21.42

6 0
2 years ago
Convert the following repeating decimal to a fraction in simplest form.<br> .05
wolverine [178]

Answer:

1/20

Step-by-step explanation:

Hope that helped :))

6 0
3 years ago
PLEASE READ THE PICTURE
Kazeer [188]
f(x)
-5¾-3-4 that correct
5 0
3 years ago
Each of 7 students reported the number of movies they saw in the past year. Here is what they reported. 19, 7, 19, 7, 18, 7, 4 F
ohaa [14]
So to find mean you have to add all of the numbers together and divide by how many there are. So after they have been added it should come out to be 81. Now that they have been added you must divide them by 7 because that’s how many numbers there are. The final answer should round to 11.6
3 0
3 years ago
If m&lt; BCD = 54, find m&lt; BAC
dmitriy555 [2]

m∠BAC = 27°

Solution:

ABCD is a quadrilateral.

AB and CD are parallel lines.

Given m∠BCD = 54°

AC bisect ∠BCD.

m∠DCA + m∠CAB = m∠BCD

m∠DCA + m∠DCA = 54°   (since ∠ACB = ∠DCA)

2 m∠DCA  = 54°

Divide by 2 on both sides, we get

m∠DCA  = 27°

AB and CD are parallel lines and AC is the transversal.

<em>If two parallel lines cut by a transversal, then the alternate interior angles are equal.</em>

m∠BAC = m∠DCA

m∠BAC = 27°

Hence m∠BAC = 27°.

7 0
3 years ago
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