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11Alexandr11 [23.1K]
4 years ago
15

Some one please HeLp and explain ​

Mathematics
1 answer:
mihalych1998 [28]4 years ago
3 0

Answer:

2nd option

Step-by-step explanation:

You're goal is to isolate b by itself. The only part you need to worry about is the equation, the rest of the word problem is irrelevant.

The whole process of solving this is to do PEMDAS in reverse.

So first add/subtract all the values that does not have a <em>b</em> attach to it to the other side.

then multiply/divide all the values that is not a <em>b</em> to get the b-value by itself

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GIVING BRAINIEST IF CORRECT!!!
GREYUIT [131]

Answer:

C. 2/5 full

Step-by-step explanation:

\frac{1}{\frac{1}{15} } :\frac{6}{y}

y · 1 = 1/15 · 6

y = 0.4

y=\frac{2}{5}

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3 years ago
Classify the following triangle. Check all that apply.
11Alexandr11 [23.1K]
That is an isosceles right triangle.  (Also known as a 45 45 90 triangle).


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Levart [38]

Answer:

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Step-by-step explanation:

4 0
3 years ago
What is the probability of choosing a pair that contains ONLY cards labeled with the letters B, C, or F?
Nezavi [6.7K]

Answer:

Pr = \frac{1}{6}

Step-by-step explanation:

Given

Cards = \{A,B,C,D,E,F\}

r = 2 --- selection

Required

Probability of choosing a pair with only B, C and F

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This is calculated as thus:

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Second = 6 --- Second selection can be any of the 6 cards [No restriction]

So, we have:

n = First * Second

n = 6 * 6

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The pair of only B, C or F is:

Pair = \{(B,C), (B,F), (C,B),(C,F),(F,B),(F,C)\}

n(Pair) = 6

So, the probability is:

Pr = \frac{n(Pair)}{n}

Pr = \frac{6}{36}

Simplify

Pr = \frac{1}{6}

4 0
3 years ago
Using the distributive property, what is the best way to multiply 8 by 7?
Wittaler [7]

8 x 7 = 56

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then you'd multiply 8 by 7 and that would give you 56

then you'd add 7 for the final answer of 63 but you don't have to add 7 in this problem 


4 0
3 years ago
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