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3 years ago

Help please thanks!!!!!!!!!!

Mathematics

1 answer:

sergeinik [125]3 years ago

6 0

The answer is b please be thankful

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Can anyone help me in dis pls

Varvara68 [4.7K]

Answer:

Step-by-step explanation:

a^2 + b^2 = C^2

solve for b

b^2 = c^2 - a^2

square root on both sides of the equation and you get option b as your answer

7 0

3 years ago

James surveyed people at school and asked whether they bring their lunch to school or buy their lunch at school more often. The

Brrunno [24]

Answer:

The correct option is 4.

Step-by-step explanation:

Given information:

Bring lunch : 46 males, 254 females

Buy lunch : 176 males, 264 females

Total number of peoples is

$46+254+176+264=740$

Total number of males is

$46+176=222$

The probability of male is

$P(Male)=\frac{Males}{Total}=\frac{222}{740} =0.3$

Since probability of males is 0.3, therefore options A and C are incorrect.

Total number of persons who buys lunch is

$176+264=440$

The probability of persons who buys lunch is

$P(\text{Buys lunch})=\frac{\text{Buys lunch}}{Total}=\frac{440}{740} =\frac{22}{37}$

We need to find the probability of P(male | buys lunch).

According to the conditional probability, we get

$P(\frac{A}{B})=\frac{P(A\cap B)}{P(B)}$

P(male | buys lunch) $=\frac{P(\text{male }\cap \text{ buys lunch})}{P(\text{buys lunch})}$

P(male | buys lunch) $=\frac{\frac{176}{740}}{\frac{22}{37}}$

P(male | buys lunch) $=\frac{2}{5}=0.4$

Therefore the correct option is 4.

8 0

3 years ago

Read 2 more answers

If the value of x is equal to a -6, does it make this inequality a true statement? -3-5x<-14

Rama09 [41]

Yes it makes it a true statement because if my math is correct it will add up and the negative is not canceled. That’s only with multiplication

7 0

3 years ago

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A football team moved -8 yards on one play, then lost another 4 yards on the next play. How many total yards did the football te

Leokris [45]

Answer:

12 yards

Step-by-step explanation:

you subtract negative 8 and 4 and it gives you twelve yards of the play

8 0

2 years ago

Use rounding or compatible numbers to estimate the sum. 222+203

Anni [7]

Hundreds and tens are easy to add, so we can round 203 to 200, and 222 to 220.
220+200=420, so
222+203 rounds to about 420

3 0

3 years ago

Read 2 more answers