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3 years ago

What is the answer for the equation above

Mathematics

1 answer:

Dimas [21]3 years ago

3 0

Add 5+3 raised to the 2nd which givea u (8)^2
do the 5 squared which gives u 1+25-23

evaluate 8^2=64
subtract the sum u should get 64 over 3, 21 and 1/3 or 21.3333333 repeating

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Four swimmers, Daniela, Camille, Brennan, and Amy, compete on a relay team. For the first race of the year, Daniela begins the r

Ad libitum [116K]

Answer:

A = {CBA, CAB, BCA, ACB}

Step-by-step explanation:

7 0

3 years ago

A fair coin is flipped twelve times. What is the probability of the coin landing tails up exactly nine times?

seraphim [82]

Answer:

$P\left(E\right)=\frac{55}{1024}$

Step-by-step explanation:

Given that a fair coin is flipped twelve times.

It means the number of possible sequences of heads and tails would be:

2¹² = 4096

We can determine the number of ways that such a sequence could contain exactly 9 tails is the number of ways of choosing 9 out of 12, using the formula

$nCr=\frac{n!}{r!\left(n-r\right)!}$

Plug in n = 12 and r = 9

$=\frac{12!}{9!\left(12-9\right)!}$

$=\frac{12!}{9!\cdot \:3!}$

$=\frac{12\cdot \:11\cdot \:10}{3!}$ ∵ $\frac{12!}{9!}=12\cdot \:11\cdot \:10$

$=\frac{1320}{6}$ ∵ $3!\:=\:3\times 2\times 1=6$

$=220$

Thus, the probability will be:

$P\left(E\right)=\frac{n\left(E\right)}{n\left(S\right)}$

$=\frac{220}{4096}$

$=\frac{55}{1024}$

Thus, the probability of the coin landing tails up exactly nine times will be:

$P\left(E\right)=\frac{55}{1024}$

4 0

3 years ago

Help againn ahh. thank you if you do!

klio [65]

The answer would be B C E hope this helps :)

5 0

3 years ago

Plz help me well mark brainliest if correct!.,

AlekseyPX

Answer: The perimeter is 20 cm

Step-by-step explanation: The top and bottom are same length, so 6+6, and the sides are the same length, so 4+4 don’t forget it’s cm and it becomes 20 cm.

PERIMITER = ADDING ALL SIDES

AREA = MULTIPLYING

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3 years ago

A=1/2(a+b)h <br> SOLVE FOR "h"

Kamila [148]

Solving equations is a basic skill that you must master to deal with a lot of problems in mathematics, physics, chemistry, administration, economy, and almost every activity where you need to use a formula or a model. to solve for h, you follow these steps: 1) multiply both sides by 2 => 2A = (a+b)h; 2) divide both sides by (b+a) => 2A/ (a+b) = h. So the answer is: h = 2A / (a+b).
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3 years ago