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zysi [14]
3 years ago
6

If the graph of the linear equation ax-8y=15 has an x-intercept at (3,0), then what is the value of a?

Mathematics
1 answer:
mart [117]3 years ago
4 0
Ax-8y=15
a(3)-8(0)=15
3a=15
a=5
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How can the mean of the values in a numerical data set be calculated?
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Answer:

C

Step-by-step explanation:

Mean is the average. To find mean, add all the numbers in a data set, then divide by the number of values.

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The length of an equilateral triangle is increased by 5 cm. The perimeter of the new triangle is 72 cm. What is the side length
Igoryamba

Answer:

19cm

Step-by-step explanation:

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for example, if the length of the side of the an equilateral triangle is 5, the perimeter is 5 x 3 = 15

let x = unknown length of side

length after increase = x + 5

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6 0
3 years ago
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3 years ago
If a baseball player get a hit in 31% of his at-bats, what is the probability that he will
solong [7]

Given:

A baseball player get a hit in 31% of his at-bats.

To find:

The probability that he will  get a hit 5 at-bats in a row.

Solution:

Since, a baseball player get a hit in 31% of his at-bats, therefore

Probability that he get a hit = \dfrac{31}{100}

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Now, the probability that he will  get a hit 5 at-bats in a row is

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2 years ago
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