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spayn [35]
2 years ago
12

Darwin’s age is 6 years greater than twice fiona’s age. if darwin is 50 years old, how many years old is fiona?

Mathematics
1 answer:
zvonat [6]2 years ago
8 0
Let, Fiona's age = x
Darwin's age = 2x+6

Then, 2x+6 = 50
2x = 44
x = 22

So, your answer is 22

Hope this helps!
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If 10a+10b=35, what is the average (arithmetic mean) of a and b?
worty [1.4K]

Answer:

1.75

Step-by-step explanation:

If a  and b are two numbers, then their arithmetic mean is

\dfrac{a+b}{2}

Given:

10a+10b=35

Divide this equation by 10:

a+b=3.5

Now, divide it by 2:

\dfrac{a+b}{2}=\dfrac{3.5}{2}\\ \\\dfrac{a+b}{2}=1.75

6 0
2 years ago
Which sentences highlight the protection of consumer rights? Steven and Samuel are managers in different retail stores. Steven a
miv72 [106K]

The basic consumer right includes "Right to be informed" that states the availability of information required for weighing alternatives, and protection from false and misleading claims in advertising and labeling practices.

Hence, the sentence "Steven allows customers to look at different products and verify the product details before choosing a product. Steven’s priority is satisfied customers" - justifies the definition of consumer rights.

So, this above sentence highlights the protection of consumer rights.

7 0
2 years ago
This unit focused, in part, on relationships in triangles. A triangle is the simplest type of polygon and is frequently used in
Galina-37 [17]
The answers are as follows:
1. Triangles are often used to build different types of support structures because of its beneficial properties. Triangles is rigid in shape and it has strength. When force is applied to the side of a triangle, it can not shift into another shape, this is because its sides and angles are fixed. 
2. The properties of triangle that make it a desirable geometric shape for building support structures is its fixed sides, fixed angles, rigidity and strength. Triangles are the strongest shapes and they are stable. Thus, triangle can be easily fix together to provide strength and stability over a wide area.
3. There are different types of triangles, these include: equilateral triangle, scalene, isosceles, right triangle, obtuse and acute. Of all these triangles, the best triangle is equilateral triangle.  
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6 0
2 years ago
Read 2 more answers
Consider the continuous random variable X, which has a uniform distribution over the interval from 20 to 28.
anastassius [24]

Answer:

a) The probability distribution is f(x) = \frac{1}{8}

b) 0.5 = 50% probability that X will take on a value between 21 and 25.

c) 0.25 = 25% probability that X will take on a value of at least 26.

Step-by-step explanation:

Uniform probability distribution:

An uniform distribution has two bounds, a and b.

The probability of finding a value of at lower than x is:

P(X < x) = \frac{a - x}{b - a}

The probability of finding a value between c and d is:

P(c \leq X \leq d) = \frac{d - c}{b - a}

The probability of finding a value above x is:

P(X > x) = \frac{b - x}{b - a}

Uniform distribution over the interval from 20 to 28.

This means that a = 20, b = 28

a. What’s the probability density function?

The probability density function of the uniform distribution is:

f(x) = \frac{1}{b - a}

In this question:

f(x) = \frac{1}{28 - 20} = \frac{1}{8}

b. What’s the probability that X will take on a value between 21 and 25?

P(21 \leq X \leq 25) = \frac{25 - 21}{28 - 20} = \frac{4}{8} = 0.5

0.5 = 50% probability that X will take on a value between 21 and 25.

c. What’s the probability that X will take on a value of at least 26?

P(X > 26) = \frac{28 - 26}{28 - 20} = \frac{2}{8} = 0.25

0.25 = 25% probability that X will take on a value of at least 26.

4 0
2 years ago
2,438,783 divided 893
Naya [18.7K]

Answer:

quotient=2,731

Remainder=0

Step-by-step explanation:

893) 2,438,783 (2,731

      - 1 786

      ---------

          6527

        - 6251

        ---------

            2768

          - 2679

         -----------

                893

             -  893

             ---------

                 0

3 0
2 years ago
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