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Anit [1.1K]
3 years ago
5

Please help i really need it :(

Mathematics
1 answer:
liraira [26]3 years ago
5 0

Answer:

Step-by-step explanation:

For the second one the probability is 10

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What is the product of 4/5 x 5/7?
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4/7

Step-by-step explanation:

5 and 5 cancel out each other

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Find the range of the data set 102, 105, 103, 104, 106, 103, 101.
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3 years ago
Simplify<br><br> Will give brainiest to person who solves all the problems in picture.
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Answer:

\sqrt{10+4\sqrt{6 } = 4.44948

or = \sqrt{6}  + 2

<em>step by step...solving </em>

<em>10 + 4</em>\sqrt{6}<em />

<em>add/subtract </em>\sqrt{6}<em>² = 6</em>

<em>=10 + 4</em>\sqrt{6}<em> + </em>\sqrt{6}<em>² - 6</em>

<em>Refine</em>

<em>= </em>\sqrt{6}<em> ² + 4</em>\sqrt{6}<em> + 4</em>

<em>rewrite </em><em>↑</em><em> as </em>\sqrt{6}<em>² + 2</em>\sqrt{6}<em> * 2 + 2²</em>

<em>apply Perfect Square Formula (a + b)² = a² + 2ab +²</em>

<em>a = </em>\sqrt{6}<em>, b=2</em>

<em>= (</em>\sqrt{6}<em> + 2)²</em>

<em>= </em>\sqrt \sqrt({6}+ 2)<em>2square    </em>

<em>(the 2 square would not fit like i wanted it to)</em>

<em>apply radical rule </em>\sqrt[n]{a^{n} } = a<em>, assuming a ≥ 0</em>

<em>= </em>\sqrt{6} + 2<em />

posting others as picture (have an account with Symbolab to help me as well.  Just taking too long to type in the step by step if you need it.  all pictures have the decimal result.

5 0
3 years ago
Simplify -5(-5-2+2)-[(3-4) multiplied by 2]
Step2247 [10]
The first step to solving this is to eliminate the opposites.
-5 × (-5) - ((3 - 4) × 2)
Calculate the difference from the expression in the parenthesis.
-5 × (-5) - (-1 × 2)
Multiply the numbers on the left side of the expression
25 - (-1 × 2)
Any expression multiplied by -1 equals the opposite,, which will change the expression to the following:
25 - (-2)
When there is a "-" sign in front of the parenthesis,, you must change the sign of each term in the parenthesis. This rule will make the expression look like the following:
25 + 2
Finally,, add the numbers together to get your final answer.
27
This means that the correct answer to your expression is 27.
Let me know if you have any further questions
:)
4 0
3 years ago
Chloe just turned 8 years old and her sister Sheila just turned 14 years old. In how many years will the sum of their ages be eq
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14 years. In 14 years Chloe will be 22 and Sheila will be 28. 22+28 is 50.
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