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3 years ago

Hey guys PLZ help 4/8+1/2+1/4 and2⅓+⅚ I will give brainst

Mathematics

2 answers:

Nata [24]3 years ago

6 0

Answer:

seven sixths plus five quarters = twenty-nine twelfths.

Step-by-step explanation:

Savatey [412]3 years ago

3 0

4/8 + 1/2 + 1/4 = 1 1/4
2 1/3 + 5/6 = 3 1/6

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Can you help me with the problem listed in the pictures below? Please and thank you. Will mark BRAINLIEST!!! :)

vagabundo [1.1K]

Answer:

14 books

Step-by-step explanation:

Let b = number of books at the beginning

She sold 1/2 of the books

b - 1/2 b

This is how many she had left

Then she bought 7

b - 1/2 b + 7

this equals 14

b - 1/2 b + 7 = 14

Combine like terms

1/2 b + 7 = 14

Subtract 7 from each side

1/2 b = 14-7

1/2 b = 7

Multiply each side by 2

1/2 b * 2 = 7*2

b = 14

She started with 14 books

6 0

4 years ago

Hi i need helpppppppp

Juli2301 [7.4K]

The product is greater that 1

the exact answer is 27

Hope i helped
Good luck!!!!!

4 0

3 years ago

An urn contains 6 red marbles and 4 black marbles. Two marbles are randomly drawn (one by one) from the urn without replacement.

strojnjashka [21]

Answer: The required probability is $\dfrac{2}{15}.$

Step-by-step explanation: Given that an urn contains 6 red marbles and 4 black marbles. Two marbles are randomly drawn one by one from the urn without replacement.

We are to find the probability that both drawn marbles are black.

Let E and F denote the events of two marbles one by one without replacement and let S and S' denote the corresponding sample spaces.

Then, we have

$n(E)=^4C_1=4,\\\\n(F)=^3C_1=3,\\\\n(S)=^{10}C_1=10,\\\\n(S')=^9C_1=9.$

Therefore, the probability that both marbles are red is given by

$p=P(E)\times P(F)=\dfrac{n(E)}{n(S)}\times\dfrac{n(F)}{n(S')}=\dfrac{4}{10}\times\dfrac{3}{9}=\dfrac{2}{15}.$

Thus, the required probability is $\dfrac{2}{15}.$

4 0

3 years ago

Lisa took a survey of her classmates' favorite sport and recorded their genders. The results are in the table below:

Igoryamba

Answer:

0.43

Step-by-step explanation:

8 0

3 years ago

What does -3 1/2+ (-8 1/4)!equal?

MissTica

Answer:

$-11\frac{3}{4}$

Step-by-step explanation:

-3 $\frac{1}{2}$ + -8 $\frac{1}{4}$ equals;

-3 $\frac{1}{2}$ - 8 $\frac{1}{4}$

Putting it in improper function way:

$-\frac{7}{2}$ - $\frac{33}{4}$ = $\frac{-14 - 33}{4}$ = $-\frac{47}{4}$

$-\frac{47}{4}$ in simplified form equals $-11\frac{3}{4}$

8 0

4 years ago

Hey guys PLZ help 4/8+1/2+1/4 and2⅓+⅚ I will give brainst ​

Hey guys PLZ help 4/8+1/2+1/4 and2⅓+⅚ I will give brainst