2 years ago

Taylin buys 5 ounces of tea leaves for $2.35. At this rate, how much money does

Mathematics

1 answer:

Ganezh [65]2 years ago

5 0

She would need $5.64
(Not sure if correct but this is what I got)

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Laura is 12 years old witch 6/7 of her brothers age how old is her brother

sweet [91]

Answer:

Step-by-step explanation:

12:6=2

12+2=14

so her brother it's 14 years old

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2 years ago

How do you write negative seven minus the product of 5 and number is 28

goldenfox [79]

-7 - (5.x) = 28? Is that what you were looking for?

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3 years ago

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Vedmedyk [2.9K]

Answer:

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Step-by-step explanation:

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3 years ago

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If the check after the substitution of the answer doesn't work, does that mean that the result is incorrect for equation with va

Alecsey [184]

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3 years ago

20 people applied for a job. Everyone either has a school certificate or diploma or even both. If 14 have school certificates an

STatiana [176]

Given:

Either has a school certificate or diploma or even both = 20 people

Having school certificates = 14

Having diplomas = 11

To find:

The number of people who have a school certificate only.

Solution:

Let A be the set of people who have school certificates and B be the set of people who have diplomas.

According to the given information, we have

$n(A)=14$

$n(B)=11$

$n(A\cup B)=20$

We know that,

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

$20=14+11-n(A\cap B)$

$20=25-n(A\cap B)$

Subtract both sides by 25.

$20-25=-n(A\cap B)$

$-5=-n(A\cap B)$

$5=n(A\cap B)$

We need to find the number of people who have a school certificate only, i.e. $n(A\cap B')$ .

$n(A\cap B')=n(A)-n(A\cap B)$

$n(A\cap B')=14-5$

$n(A\cap B')=9$

Therefore, 9 people have a school certificate only.

3 0

2 years ago