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Alecsey [184]
3 years ago
14

The opposite sides of a parallelogram have measures (2x+10) cin and (x+15)

Mathematics
1 answer:
xz_007 [3.2K]3 years ago
6 0

Answer:

The measure of the sides is 20 cm.

Step-by-step explanation:

Opposite side of a parallelogram:

Opposite sides of a parallelogram are congruent, that is, they have the same measure.

Measures (2x+10) cm and (x+15) cm:

This means that:

2x + 10 = x + 15

2x - x = 15 - 10

x = 5

2x + 10 = 2*5 + 10 = 10 + 10 = 20

The measure of the sides is 20 cm.

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A track runner is eager to see if practicing helps her improve. She has plotted data on her weekly 100-meter dash times (s) as w
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Answer:

\displaystyle s = -\frac{1}{5}h + 20

Step-by-step explanation:

<em>Time</em><em> </em>is the dependent variable, so you set your function equal to <em>s</em>. Then, the correlation of the graph has a \displaystyle -\frac{1}{5}<em>rate</em><em> </em><em>of</em><em> </em><em>change</em><em> </em>[<em>slope</em>] from the y-intercept of \displaystyle [0, 20],so we choose this answer choice.

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3 years ago
The distance between the Town Hall and the Post Office is 4 km, and the distance between
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Answer:

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Step-by-step explanation:

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5 0
3 years ago
Which algebraic expression is equivalent to the expression below?
Anna007 [38]

Answer:

\boxed {52x - 45} (Choice B)

Step-by-step explanation:

Solve the following expression:

9(5x - 5) + 7x

-Use <u>Distributive Property</u>:

9(5x - 5) + 7x

45x - 45 + 7x

-Combine like terms:

45x - 45 + 7x

\boxed {52x - 45}

6 0
3 years ago
Perimeter of quadrilateral
aleksandr82 [10.1K]

Answer:

The answer to your question is:  14 + 2√40  = 26.6 units

Step-by-step explanation:

Data

A ( -5, 4)     B (-3, -2)     C (4, -2)     D (2, 4)

Formula

d = √(x2 - x1)² + (y2 - y1)²

Perimeter = dAB + dBC + dCD + dAD

Process

dAB = √(-3 + 5)² + (-2 - 4)²

dAB = √(2)² + (-6)²

dAB = √4 + 36

dAB = √40 units

dBC = √(4 + 3)² + (-2 + 2)²

dBC = √(7)²

dBC = √49

dBC = 7 units

dCD = √(2 - 4)² + (4 + 2)²

dCD = √(2)² + (6)²

dCD = √40 units

dAD = √(2 + 5)² + (4 - 4)²

dAD = √49

dAD = 7 units

Perimeter = √40 + 7 + √40 + 7

Perimeter = 14 + 2√40  = 26.6 units

3 0
3 years ago
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