3 years ago

What is 13 4/5 - 10 3/11

Mathematics

2 answers:

Irina18 [472]3 years ago

7 0

Answer:

3 29/55

Step-by-step explanation:

aniked [119]3 years ago

6 0

Answer:

3 29/55

Step-by-step explanation:

In the attached file

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Combine as indicated by the signs. 4/ y^2-9 + 5/y+3

natka813 [3]

$\frac{4}{y^{2}-9 } + \frac{5}{y+3} = \frac{4}{(y-3)(y+3) } + \frac{5}{y+3}= \frac{4}{(y-3)(y+3) } + \frac{5(y-3)}{(y-3)(y+3)}=
\\ \\=\frac{4}{(y-3)(y+3) } + \frac{5y-15}{(y-3)(y+3)}= \frac{5y-11}{(y-3)(y+3)}=\frac{5y-11}{y^{2}-9}
$

8 0

3 years ago

Robert and Chris can skate 4 miles in 18 minutes. How far can they ride in 45 minutes?

adell [148]

Answer: Robert and Chris can skate 10 miles in 45 minutes.

Step-by-step explanation:

Let's start by finding the unit rate.

$\frac{4}{18} =\frac{2}{9} \\\frac{18}{18} =1$

Robert and Chris can skate $\frac{2}{9}$ of a mile in 1 minute. Now we can multiply both by 45 to see how far the can go in 45 minutes.

$(\frac{2}{9}) (\frac{45}{1} )\\\frac{(2)(45)}{(9)(1)} \\\frac{90}{9} \\10$

45x1=45

The can skate 10 miles in 45 minutes.

6 0

3 years ago

How many halves make up the whole circle

adell [148]

2 halves make up one whole
Hope this helps!
Vote my brainliest!

6 0

3 years ago

Read 2 more answers

I need help for this question

Nikitich [7]

V=V of cube- V pyramid= 8^3- 7^2*8/3=512-49*8/3=512-130,67=381.33 cm^3

7 0

3 years ago

Which type of line of symmetry does the figure have? <br>

9966 [12]

Answer:vertical

Step-by-step explanation:

4 0

2 years ago

What is 13 4/5 - 10 3/11​

What is 13 4/5 - 10 3/11