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emmasim [6.3K]
3 years ago
11

Explain the difference between a rate, a ratio, and a proportion?

Mathematics
1 answer:
kaheart [24]3 years ago
3 0

Answer:

A proportion is an equality of two ratios.

Example : \frac{1}{3} = \frac{x}{9}

​

We write proportions to help us find equivalent ratios and solve for unknown quantities.

A rate is the quotient of a ratio where the quantities have different units.

Example : \frac{distance}{time}

A ratio is a comparison of two quantities.

Example : 1 : 3 or \frac{1}{3}

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I don’t know the answer
Sunny_sXe [5.5K]

Answer:

AC ≈ 12.9 cm

Step-by-step explanation:

Using the ratio

sin40° = \frac{b}{20}

Multiply both sides by 20

20 × sin40° = b, hence

AC = b = 20 × sin40° ≈ 12.9

5 0
3 years ago
Read 2 more answers
Help with this pls?????
Alenkinab [10]

Answer:

83.74 in squared

Step-by-step explanation:

The area of the original rectangle is: 14 * 8 = 112 in squared.

The area of a circle is \pi r^{2}, where r is the radius. In this case, we know the diameter is 6, so the radius is 3. Then, the area of the circle is:

3.14 * 3^2 = 3.14 * 9 = 28.26 in squared.

The remaining area is just the total minus the circle area:

112 - 28.26 = 83.74 in squared

6 0
3 years ago
Read 2 more answers
Help me please i’ll give points !!
Keith_Richards [23]

Answer:

Slope of PV = -4

Step-by-step explanation:

Coordinates of the vertices of the given triangle PSV,

P → (2, 4)

S → (3, 4)

V → (3, 0)

Slope of the segment between two points (x_1,y_1) and (x_2,y_2) is given by,

Slope = \frac{y_2-y_1}{x_2-x_1}

Therefore, slope of segment PV will be,

Slope = \frac{4-0}{2-3}

          = -4

Slope of PV = -4

6 0
3 years ago
Can someone help me solve D, a, or/and b
Margaret [11]

Answer:

slop = (175 - 125) \div (2 - 1) = 50 \\ y - 125 = 50 \times (x - 1) \\ y = 50x - 50 + 125 \\ y = 50x + 75

you can solve problems by this equation

4 0
3 years ago
The sides of a triangle are 5, 12, and n. Write an inequality that expresses the interval of values that n may have.
Airida [17]
Since the sum of third side of a triangle is smaller than the sum of other two sides
So n<12+5
n<17
3 0
3 years ago
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