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Vlad [161]
3 years ago
14

the local hardware store wants to increase their inventory. Last year 15 electric screwdrivers cost them 300.how much would 45 s

crewdrivers cost
Mathematics
1 answer:
Harman [31]3 years ago
7 0
One way of doing this is to write the equation of ratios (15 screwdrivers / 45 screwdrivers) = ($300 / x).    Solve this equation for x.  To do this, you might try multiplying both sides of this equation by x to eliminate fractions.

Another way is to obtain the unit cost of each screwdriver and then multiply the result by 45 screwdrivers.
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17,34,35,70,71,142,143,_,_,_ find the next three numbers
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What is the measure of
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Answer:

Okay buddy the answer is 63 because if you look at all the angles they are suppose to add up to 180 so with the line D and A the angles is 128 so the angle on the other side is 52 so 52 plus65 is 117 so then 180-117 is 63

Step-by-step explanation:

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4 years ago
Y-30≥32 lol i need help again
Korolek [52]

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y ≥ 62

Step-by-step explanation:

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3 0
3 years ago
The variable that assigns a real number value to an event in a sample space is called.
Bas_tet [7]

The variable that assigns a real number value to an event in a sample space is called Random variable.

<h3>What is Random variable?</h3>

A random variable is a variable that can take on many values. This is because there can be several outcomes of a random occurrence. Thus, a random variable should not be confused with an algebraic variable. An algebraic variable represents the value of an unknown quantity in an algebraic equation that can be calculated. On the other hand, a random variable can have a set of values that could be the resulting outcome of a random experiment.

As, A random variable can be defined as a type of variable whose value depends upon the numerical outcomes of a certain random phenomenon. It is also known as a stochastic variable. Random variables are always real numbers as they are required to be measurable.

For example

Suppose 2 dice are rolled and the random variable, X, is used to represent the sum of the numbers. Then, the smallest value of X will be equal to 2 (1 + 1), while the highest value would be 12 (6 + 6). Thus, X could take on any value between 2 to 12 (inclusive). Now if probabilities are attached to each outcome then the probability distribution of X can be determined.

Hence, The variable that assigns a real number value to an event in a sample space is called Random variable.

Learn more about random variable here:

brainly.com/question/17238189

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