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Alla [95]
3 years ago
11

HELLLPPPPPP MEEEEE PLEASEEEEE!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
Nat2105 [25]3 years ago
5 0

Answer:

OK

Step-by-step explanation:

I said I would help.

Ira Lisetskai [31]3 years ago
4 0
Mkay help you with what
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A cargo elevator has a maximum carrying capacity of 400 pounds. If each cargo box weighs 25 pounds, what is the maximum number o
daser333 [38]

Answer:

16

Step-by-step explanation:

400÷25

=16

25×16

=400

5 0
3 years ago
-3x 2 x (-4)<br> What is the answer
crimeas [40]

Answer:

The answer would be 24.

-3 x 2 = -6

-6 x -4 = 24

5 0
3 years ago
Refer to the figure at the right. Line a is parallel to line b
frosja888 [35]

Answer:

angle 9 = 55°

angle 7 = 145°

angle 3 = 35°

angle 4 = 55°

Step-by-step explanation:

Correct me if I'm wrong. I hope it helps.

3 0
3 years ago
In a batch of 100 parts, 40 are red, 50 are L-shaped and 22 are both red and L-shaped. What is probability that a part picked fr
Bogdan [553]

The probability that a part picked from this batch at random is either red or L-shaped is 0.68

Step-by-step explanation:

Let us revise some rules of probability

The addition rules are:

  • P(A or B) = P(A) + P(B) ⇒ mutually exclusive (events cannot happen  at the same time)
  • P(A or B) = P(A) + P(B) - P(A and B) ⇒ non-mutually exclusive (if they  have at least one outcome in common)

∵ A batch has 100 parts

∵ 40 are red

- Probability of an event is the [even occurs/total outcomes]

∴ P(red) = \frac{40}{100}=0.4

∵ 50 are L-shaped

∴ P(L-shaped) = \frac{50}{100}=0.5

∵ 22 are both red and L-shaped

∴ P(red and L-shaped) = \frac{22}{100}=0.22

This is non-mutually exclusive because there is a common between them, so we will use the 2nd rule

∵ P(red or L-shaped) = P(red) + P(L-shaped) - P(red and L-shaped)

∴ P(red or L-shaped) = 0.4 + 0.5 - 0.22

∴ P(red or L-shaped) = 0.68

The probability that a part picked from this batch at random is either red or L-shaped is 0.68

Learn more:

You can learn more about the probability in brainly.com/question/2254182

#LearnwithBrainly

3 0
3 years ago
Lucy wants to make different types of cheesecake. Each cheesecake uses 2/3 pound of cream cheese. She has 2 pounds of cream chee
AnnyKZ [126]
Lucy can make a total of 2 cheesecakes with 2 pounds of cream cheese.
8 0
3 years ago
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