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Oksana_A [137]
3 years ago
15

Two points, (-2,4) and (2,4), are plotted on a coordinate grid.

Mathematics
1 answer:
LekaFEV [45]3 years ago
6 0

Answer:

Step-by-step explanation:

Given the coordinate points  (-2,4) and (2,4), the expression to calculate the distance between the points is expressed as:

D = √(x2-x1)²+(y2-y1)²

From the coordinates;

x1 = -2, y1 = 4, x2 = 2 and y2 = 4

Substitute

D = √(2-(-2))²+(4-4)²

D = √(4)²+(0)²

D = √16

D = 4

The distance between the two points is 4 and the expression used is D = √(2+2))²+(4-4)²

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Joel gives 1/3 of his baseball cards to his sister.<br> Write a fraction that is equivalent to 1/3.
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2 years ago
The width of a rectangle is 19 meters more than the length. The perimeter is 242 meters. Find the length and width.
dimaraw [331]

Answer:

The length of the rectangle is 51 meters and the width is 70 meters.

Step-by-step explanation:

Let us assume that the length of the rectangle is L and the width of the same rectangle is W.

it is given in the problem that, the width of the rectangle is 19 meters more than the length.

Hence, L+19 =W ......(1)

Again, the perimeter of the rectangle is given by 2(L+W), which is given to be 242 meters.

So, 2(L+W) =242, ⇒L+W =121 ..... (2)

Now, solving equations (1) and (2) by substitution method, we get,

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Therefore, the length of the rectangle is 51 meters and the width is 70 meters. (Answer)

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A tumor is injected with 10 grams of Iodine-125, which has a half-life of 76 days. Write an exponential model representing the a
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a traffic study has shown that the probability that 55 cars will pass over a small bridge in a 4-4-minute period is 0.16.0.16. w
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<h3>Why don't we use probability instead of odds ?</h3>

A probability must be between 0 and 1 (nothing can happen with a greater than 100% likelihood). The chances are not as limited. Odds can be any positive number; for example, a chance of 2/3 is equivalent to odds of 2/1. By simply dividing the favorable number of possibilities by the entire number of possible outcomes, the probability of an occurrence can be determined using the probability formula.

By dividing the odds in the first group by the odds in the second group, the odds ratio is calculated. For many clinicians, odds and odds ratios are difficult to comprehend. Odds are calculated by dividing the likelihood of an event happening by the probability that it won't.

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