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2 years ago

2+2 I will give brainlyest

Mathematics

2 answers:

AleksandrR [38]2 years ago

8 0

Answer:

Step-by-step explanation:

its super simple, i know u can do it!

Dafna11 [192]2 years ago

6 0

Answer: 2 + 2 = 4

Step-by-step explanation: imagine not knowing this.

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Five mote than twice a number is -25. Solve for the Variable

skelet666 [1.2K]

2x+5=-25
-5 -5 = 20

20/5= 4
So your answer would be x=4
Hope that helps

5 0

3 years ago

How many centimeters are in 9 feet if one inch is 2.54

Viktor [21]

There are 274.32 cm in 9 feet.

Hope this helps :)

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4 years ago

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What is the measure of Angle A?

Marysya12 [62]

Answer:

136

Step-by-step explanation:

The sum of interior angles of a polygon is (n-2)x180 where n is the no. of sides. Here n=5 Therefore sum of int. angles = (3-2)x180= 3x180=540.

Sum of all given angles =404.

Remaining angle= 540-404=136

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3 years ago

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The original cost of a comic book was $3.95. The store markup on the comic book was 20%. What is the store's price for the comic

deff fn [24]

Answer:

$3.16

Step-by-step explanation:

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3 years ago

Find the probability of getting exactly 6 girls in 8 births.

AnnyKZ [126]

Answer:

The probability of getting exactly 6 girls in 8 births is 0.1093

Step-by-step explanation:

Given : 6 girls in 8 births.

To find : The probability of getting exactly 6 girls in 8 births.

Solution :

The probability of getting girl is $\frac{1}{2}$

The probability of getting 6 girl is $(\frac{1}{2})^6$

Since we have 6 girls,

We also need to find the probability of getting 2 boys, which is

$(\frac{1}{2})^2$

There are $^8C_6$ ways to get 6 girls in 8 births

i.e, $^8C_6=\frac{8!}{6!\times 2!}$

$^8C_6=\frac{8\times 7\times 6!}{6!\times 2\times 1}$

$^8C_6=28$

There are 28 ways to get 6 girls in 8 births.

The probability of getting exactly 6 girls in 8 births.

$=28\times (\frac{1}{2})^6\times (\frac{1}{2})^2$

$=28\times 0.015625\times 0.25$

$=0.109375$

Therefore, The probability of getting exactly 6 girls in 8 births is 0.1093

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4 years ago

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