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klasskru [66]
3 years ago
12

Triangle ABC, shown in the diagram below, is an isosceles triangle

Mathematics
1 answer:
hjlf3 years ago
8 0

Answer:

A. 42.5

Step-by-step explanation:

The triangle shown is an isosceles triangle. An isosceles triangle haas two of its sides and base angles equal. Hence;

<ACB = <ABC (Base angles are equal)

Given

<ACB = 42.5°

Required

<ABC

<em>According to the law above which says <ACB = <ABC , hence <ABC is also equal to 42.5°</em>

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Aune is going to play a game of chance. There are five cups lined up and under one of the cups is a marble. If Aune chooses the
dimaraw [331]

The probability of winning the cup is equal to 1/5 and 20%.

<h3>What is probability?</h3>

Probability is defined as the ratio of the number of favorable outcomes to the total number of outcomes in other words the probability is the number that shows the happening of the event.

Probability = Number of favorable outcomes / Number of sample

Since there are five cups overall and only one of the cups has a marble, she has a 1/5 or 20 percent chance of winning the prize.

The probability will be calculated as,

P = 1 / 5

P = 0.2

P = 20%

Therefore, the probability of winning the cup is equal to 1/5 and 20%.

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4 0
1 year ago
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Solve the system of equations:<br> y=2x-3<br> y=x2-3
Westkost [7]

Answer: x = 0 or x = 2

Step-by-step explanation:

To solve this, we must note that the two equations speaks of a single function of y. So

y = 2x - 3 = x² - 3

So from.here we can equate the two together and solve for x.

x² - 3 = 2x - 3, biw convert to a quadratic expression

x² - 2x - 3 + 3 = 0

x² - 2x = 0

Now factorize

x( x - 2 ) = 0, so solving for x

x = 0 or x = 2. .I believed getting the 2 won't be a problem

When x - 2 = 0

Then x = 2.

5 0
3 years ago
Bob Woodward and Carl Bernstein were Washington Post journalists whose reports during the Watergate affair led to the resignatio
Murrr4er [49]
It is executive privilege
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3 years ago
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Does the function g(x) = -2x2 + 10x + 2 have a minimum or a maximum? Identify its value.<br> +
Hitman42 [59]

Answer:

(5/2, 29/2), and this represents a maximum

Step-by-step explanation:

g(x) = -2x^2 + 10x + 2 is a quadratic function with coefficients {-2, 10, 2}.

The formula for the axis of symmetry (which passes through the vertex) is

x = -b/ [2a].  Here, a = -2; b = 10.  Therefore, the axis of symmetry is

x = -10/ [2(-2)] = -10/(-4) = 5/2

Evaluate the function g(x) = -2x^2 + 10x + 2 at x = 5/2 to determine the y-coordinate of the vertex:

g(5/2) = -2(5/2)^2 + 10(5/2) + 2, or

g(5/2) = -2(25/4) + 25 + 2, or

g(5/2) = -25/2 + 27, or

g(5/2) = 14.5

The vertex is thus (5/2, 29/2), and this represents a maximum, because the coefficient of the x^2 term is negative (the curve opens downward).

3 0
2 years ago
The amount of time that customers wait in line during peak hours at one bank is normally distributed with a mean of 13 minutes a
Neporo4naja [7]

Answer: I believe the answer is c)-2, 0

Step-by-step explanation: The amount of time that customers wait in line during peak hours at one bank is normally distributed with a mean of 13 minutes and a standard deviation of 3 minutes then the answer should be c)-2, 0 ?

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3 years ago
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