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Verdich [7]
3 years ago
7

Need help plsssss :;):5:$//&-&!.&/).:$83

Mathematics
1 answer:
Katyanochek1 [597]3 years ago
3 0
The answer is b.


Because you multiply (5•12)
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The area of a rectangle is 52 m2 , and the length of the rectangle is 5 m less than double the width. Find the dimensions of the
kotegsom [21]
52m^2= 2[(x-5)+(x)]. 52m^2= 2(2x-5). 52m^2=4x-10
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3 years ago
Al saves pennies. He agreed to give 3/7 of his pennies to Bev if she would give 3/7 of what she got from Al to Carl and if Carl
ser-zykov [4K]

Answer:

2744 pennies.

Step-by-step explanation:

Let x represent the number of pennies Al have initially.

We have been given that Al agreed to give 3/7 of his pennies to Bev, so number of pennies Bev will get would be \frac{3}{7}x.

We are also told that Bev gave 3/7 of what she got from Al to Carl, so number of pennies that Carl will get would be \frac{3}{7}x\cdot \frac{3}{7}=\frac{9}{49}x.

Further, Carl gave 3/7 of what he got from Bev to Dani, so number of pennies that Dani will get would be \frac{9}{49}x\cdot \frac{3}{7}=\frac{27}{343}x.

We are also told that Dani received 216 pennies. Now, we will equate 216 to \frac{27}{343}x and solve for x as shown below:

\frac{27x}{343}=216

\frac{27x}{343}*343=216*343

27x=74088

\frac{27x}{27}=\frac{74088}{27}

x=2744

Therefore, Al have 2744 pennies initially.

3 0
2 years ago
25% of 80 = what percent???
Doss [256]

First off, you really don't need to write "what percent???" here.  

25% of 80 is 0.25(80) = 20.  

4 0
3 years ago
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In the binomial probability​ formula, the variable x represents the​ _______. In the binomial probability​ formula, the variable
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Answer: Option 'A' is correct.

Step-by-step explanation:

In the binomial probability formula, we have

P(X=x)=^nC_xp^{x}q^{n-x}

Here, n = number of events

x = number of trials

p = probability of success

q = probability of failure

x is the number of trials among which we decide the number of successes and number of failures.

So, Option 'A' is correct.

8 0
3 years ago
Pls help fast. Will give brainly
Anna71 [15]

Answer:

\frac{1}{6}  \times 18 +  \frac{2}{5}  \times 35 = 17

4 0
2 years ago
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