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3 years ago

How well do you know your fractions? if maria has a cake with 8 slices and she eats 3 slices, what fraction of the cake is left?

Mathematics

2 answers:

sineoko [7]3 years ago

8 0

The answer is only 5/8 slices of cake is left. Hoped this helped!

Sliva [168]3 years ago

5 0

When an object is divided into a number of equal parts then each part is called a fraction. A proper fraction has numerator and denominator mutually prime.

The amount of cake maria has is $8X$ . $X$ is some positive real number.

She eats 3 slices, then the amount of cake left with Maria is $8X-3X=5X$ .

The fraction of cake left with Maria is $\frac{5X}{8X}= \frac{5}{8}$ .

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If A is a subset and equal to B then B'-A' is equal to

german

Answer:

A-B

Step-by-step explanation:

It doesn't say A=B... But just that A is a subset of B.

Anyways, why not try an example to help reveal the answer.

Let the universe set, U, be U={1,2,3,4,5,6}.

Let B={1,2,3,4} and A={1,3,5}

First choice would become A'={2,4,6}

Second choice would become B'={5,6}

Third choice would become A-B={5}

Fourth choice is just { }

B'-A'={5}

The only choice matching is A-B

*Just so you know X-Y is the set of elements contained in X only if they are not also in Y.

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3 years ago

Daniels is considering two job offers: a full-time permanent position that pays $78,000 annually and a full-time contract job th

WITCHER [35]

Answer:

Option B,contract job

Step-by-step explanation:

It is likely the number of hours in a work week is 40 hours .

With fifty weeks in year 2020 and 10 ten days of Bank Holidays,the gross annual income from the contract full time employment can be computed thus

gross annual income=$40*40*(53-2)=$81,600

The pay is $40 per hour

In a week 40 hours are worked

There are fifty three weeks in the year minus 10 days of holiday which represents 2 working weeks for a Monday to Friday job

The gross annual income for full time permanent role is $78,000

As a result,the full time contract job pays more

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2 years ago

What is the distance between the points 1 - 6 + -5 2

Nata [24]

(1, -6) and (-5, 2)

Distance between 1 and -5 = 6
Distance between -6 and 2 = 8

6²+8²=x² (PYTHAGOREAN THEOREM)
36+64=x²
x² = 100
x = 10

Note: Not -10 because <em>distance cannot be negative.</em>

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3 years ago

Which are the solutions of x2 = 10x + 1?

padilas [110]

Answer:

we have

Complete the square. Remember to balance the equation by adding the same constants to each side

Rewrite as perfect squares

Square Root both sides

substitute

therefore

the answer is

the solutions are

Click to let others know, how helpful is it

RStep-by-step explanation:

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2 years ago

The high temperature on Friday was 8 degrees above zero. The low temperature was 3 degrees below zero. Which expression gives th

alexandr1967 [171]

Answer:

Option 2, (-3+8)/2

Step-by-step explanation:

Average: Sum of two numbers/ How many numbers

Sum: -3+8

Amount of Numbers: 2

(-3+8)/2

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2 years ago