The area of a trapezoid is 150 in squared if the height is 8 in. And the longer base is 23 in. What is the length of the shorter base ?
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Find the term named in the problem.-21, - 13, -5, 3, ... Find a23
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This list shows how many hours twenty batteries lasted when they ran continually in a flashlight. 78 31 47 51 16 58 60 10 30 40 46 63 65 10 93 22 13 47 64 93 What is the mean, median, and mode of the battery life data?a. mean: 47 median: 46.85 mode: 10, 47, 93c. mean: 46.85 median: 47 mode: noneb. mean: 46.85 median: 47 mode: 10, 47, 93d. mean: 47 median: 46.85 mode: none
What two numbers add up to 1 but multiply to -2
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B. 100x2 + 49y2
C. 100x2 - 49y2
D. 100x2 + 55y2
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C)
Factorization:
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Answer: $30
Step-by-step explanation:
Notice the wording. 40 percent of 80 dollars
of= multiply
1. Turn 40% to decimal.
40% = 0.40
2. Multiply
0.40(80)= 32
So your answer is 30 dollars.
Final answer:
To solve the percentage problem, you multiply $80 by 0.40 (which is the decimal equivalent of 40%). The result is $32.
Explanation:
The question is asking for the value of 40% of $80. To solve this percent problem, you will need to multiply the total amount ($80) by the percentage (40%). However, since the percentage is given as a whole number, you must first convert it to a decimal by dividing by 100. So, 40% becomes 0.40 as a decimal.
To find out what 40% of $80 is, you then multiply $80 by 0.40. Here's the math:
$80 x 0.40 = $32
So, 40% of $80 equals $32.
Learn more about Percentage Calculation here:
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Answer:
when two things are said to be in inverse proportion , the two things are connected to each other in a particular way that if one thing increases its quantity the other will decrease .
For example : More the number of workers the less time needed to finish the work.
hope this helps you .
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Answer:
A direct and inverse proportion is used to show how the quantities and amount are related to each other. For example, if we say, a is proportional to b, then it is represented as 'a∝b' and if we say, a is inversely proportional to b, then it is denoted as 'a∝1/b'.
What is the direct proportion?
Direct proportion is the relationship between two variables whose ratio is equal to a constant value.
Example
The term direct proportion means that two (or more) quantities increase or decrease in the same ratio. For example, in the purple paint mixture, the ratio of blue to red of 4:3. This does not necessarily mean we every mixture would have 4 red and 3 blue cans.
Formula
In mathematical statements, it can be expressed as y = kx. This reads as “y varies directly as x” or “y is directly proportional as x” where k is constant in the equation.
What is the indirect proportion?
Inverse proportion occurs when one value increases and the other decreases.
Example
More workers on a job would reduce the time to complete the task. They are inversely proportional.
Formula
The equation for inverse proportion is x y = k or x = k/ y. Therefore, for finding the value of the constant k, you can use the known values and then use this formula to calculate all the unknown values.