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FromTheMoon [43]
3 years ago
9

Solve for x. Show your work. 1/2x - 1/4 = 3/5x + 2

Mathematics
2 answers:
Sati [7]3 years ago
7 0
The answer for this Is -45/2
Damm [24]3 years ago
4 0
<h3>Answer:</h3>

x =  -  \frac{45}{2}

<h3>Step-by-step explanation:</h3>

\frac{1}{2} x -  \frac{1}{4}  =  \frac{3}{5} x + 2

20( \frac{1}{2} x -  \frac{1}{4} ) = 20( \frac{3}{5} x + 2)

20 \times  \frac{1}{2} x - 20 \times  \frac{1}{4}  = 20( \frac{3}{5} x + 2)

10x - 20 \times  \frac{1}{4}  = 20 \times  \frac{3}{5} x + 20 \times 2

10x - 5 = 20 \times  \frac{3}{5} x + 20 \times 2

10x - 5 = 4 \times 3x + 20 \times 2

10x - 5 = 4 \times 3x + 40

10x - 5  - 12x  =  40

10x - 12x = 40 + 5

- 2x = 40 - 5

- 2x = 45

x =   - \frac{45}{2}

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<h2>Answer:</h2>

B. 3

<h2>Step-by-step explanation:</h2>

A tangent is a line that passes through exactly one point on a circle. For any point on a circle, the radius and tangent line through that point are always perpendicular to each other making a right angle. If two triangles touch each other externally, then there will be 3 lines making right angle with radius of the circles at the point of intersection of circle and tangents. These three tangent lines are shown below. They are the black, blue and green ones.

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3 years ago
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2) Rosa is making a board game that is 16 inches by 24 inches. She wants to use square tiles. What
solniwko [45]

Answer:

8x8

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Step-by-step explanation:

3 0
3 years ago
Someone please say the correct answer!
algol [13]
2nd, 4th, and 5th answers are correct
8 0
3 years ago
Jan buys 3 bags of beads. Each bag contains 7 beads. Draw a bar diagram and write an addition equation and a multiplication equa
-Dominant- [34]

Answer:

  - The diagram bar is attached.

  - Addition equation:  7+7+7=21

  - Multiplication equation: (3)(7)=21

  -  How are the equation related? Each equation shows 3 groups of 7.

Step-by-step explanation:

We know that Jan buys 3 bags of beads and each bag contains 7 beads, then, you can draw the bar diagram shown attached.

 Observe that the diagram has 3 blocks (each block represents a bag of bead) and there is a number 7 inside of each block (which is the number of beads contained in a bag).

Therefore:

- Add the numbers inside the blocks in order to get the addition equation that shows the number of  beads Jan buys. This is:

7+7+7=21

- Multiply 3 blocks by 7 in order to get multiplication equation that show the number of beads Jan buys:

(3)(7)=21

The equations are related. Each one shows 3 groups of 7.

6 0
2 years ago
A triangle has a side lengths of 3 and 8. The diagonal has a length of 11. Can this be a right triangle? Show your work to prove
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If the triangle is a right triangle, the pythagorean theorem would work
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(see attached pic for work :))

6 0
3 years ago
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