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3 years ago

What is the difference between the sum of 1/2 and 1/2 and the product of 1/2 and 1/2

Mathematics

1 answer:

liq [111]3 years ago

8 0

Answer:

0.75 or 3/4

Step-by-step explanation:

The sum of 1/2 and 1/2 is 1. (1/2 + 1/2 = 1)

The product of 1/2 and 1/2 is (1*1)/(2*2) = 1/4.

If you subtract 1/4 from 1, you get 3/4.

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Chris plotted 3 points on the graph of the equation y=2x. Which coordinates name the points on Chris’s graph?

Makovka662 [10]

Answer:

(0,0) (2,4) (-2,-4)

Step-by-step explanation:

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3 years ago

Kat runs 3 1/2 miles in 3/4 of an hour. What is her unit rate? Use fractions to find out and express your answer as a mixed numb

Drupady [299]

Answer:

This is a fraction equal to

30 miles ÷ 2.5 hours

We want a unit rate where

1 is in the denominator,

so we divide top and bottom by 2.5

30 miles ÷ 2.5

2.5 hours ÷ 2.5

12 miles

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Step-by-step explanation:

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3 years ago

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Help me with this Please.

sukhopar [10]

35
the ratio for the two is 5:7 and you want to find _:49. to get from 7 to 49 you multiply the 7 by 7. because you did that to one side you have to do the same to the other and multiply 5 by 7 which gives you 35

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2 years ago

Given the following diagram, enter the required information.

devlian [24]

CXB = 40 degrees

I am not positive but from what I have looked up this is the answer.

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3 years ago

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The weather forecast for the weekend is a 34% chance of rain for Saturday and a 32% chance of rain for Sunday. If we assume that

kaheart [24]

Answer:

$P( A \cap B) = P(A) *P(B) = 0.34*0.32 = 0.1088$

And then replacing in the total probability formula we got:

$P(A \cup B) = 0.34+0.32 - 0.1088 = 0.5512$

And rounded we got $P(A \cup B ) = 0.551$

That represent the probability that it rains over the weekend (either Saturday or Sunday)

Step-by-step explanation:

We can define the following notaton for the events:

A = It rains over the Saturday

B = It rains over the Sunday

We have the probabilities for these two events given:

$P(A) = 0.34 , P(B) = 0.32$

And we are interested on the probability that it rains over the weekend (either Saturday or Sunday), so we want to find this probability:

$P(A \cup B)$

And for this case we can use the total probability rule given by:

$P(A \cup B) = P(A) + P(B) - P(A \cap B)$

And since we are assuming the events independent we can find the probability of intersection like this:

$P( A \cap B) = P(A) *P(B) = 0.34*0.32 = 0.1088$

And then replacing in the total probability formula we got:

$P(A \cup B) = 0.34+0.32 - 0.1088 = 0.5512$

And rounded we got $P(A \cup B ) = 0.551$

That represent the probability that it rains over the weekend (either Saturday or Sunday)

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3 years ago