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ankoles [38]
3 years ago
7

Simplify this expression HELP ASAP

Mathematics
1 answer:
Sergio039 [100]3 years ago
8 0

Answer:

B

Step-by-step explanation:

Noting the following rule of radicals

\sqrt{a} × \sqrt{b} = \sqrt{ab}

Given

(\sqrt{2} + \sqrt{3})( \sqrt{5} - \sqrt{7} )

Each term in the second factor is multiplied by each term in the first factor

= \sqrt{2}(\sqrt{5} - \sqrt{7}) + \sqrt{3}(\sqrt{5} - \sqrt{7}) ← distribute parenthesis

= \sqrt{10} - \sqrt{14} + \sqrt{15} - \sqrt{21}

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A basketball team played six games. In those games, the team won by 7 points, lost by 7, won by 8, won by 9, lost by 4, and won
Gemiola [76]

Based on the difference in scores for the basketball team over the six games, the mean difference in scores was 3

<h3>How to find the mean difference in scores?</h3>

The basketball team had 6 games and in these games, their scores were listed as differences in game scores.

The mean of these differences in scores can be found by adding the differences where they won and subtracting the differences where they lost and then dividing by the number of games:

The mean difference in game scores is:

= (7 - 7 + 8 + 9 - 4 + 5) / 6

= 18 / 6

= 3

Find out more on the mean differences at brainly.com/question/11323789

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7 0
1 year ago
A basket of fruit contains four oranges five apples and six bananas. If you choose a piece of fruit at random from the basket, w
Leni [432]

Answer:

6/15

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8 0
3 years ago
Using PEMDAS, which expression would you solve for first in the equation 7 * 4 + 22 / 4 - 2?
Anna71 [15]
A. 7*4


because there are no parentheses or exponents so multiplication is next
8 0
3 years ago
I need help ASAP!!! Please explain how to solve the answer.
Pani-rosa [81]

Answer:

Does the answer help you?

Please choose my answer as a brainliest answer and please rate.

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8 0
3 years ago
Please help me out ASAP
sesenic [268]

Answer:

26^9

Step-by-step explanation:

26^1 *26 ^8\\=26^{1+8} \\=26^{9}

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