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1 year ago

7

Simplify: 2/3 divided by 3 3/4

1 answer:

Nat2105 [25]1 year ago

3 0

Answer:

$\frac{8}{45}$

Step-by-step explanation:

convert mixed number to improper fractions

3 $\frac{3}{4}$ = $\frac{15}{4}$

$\frac{\frac{2}{3} }{\frac{15}{4} }$

apply the fraction rule:

$\frac{2 * 4}{3 * 15}$

multiply the numbers

$\frac{8}{45}$

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Use Gauss's approach to find the following sums (do not use formulas). 1+3+5+7+...999

muminat

$S=1+3+5+\cdots+995+997+999$
$S=999+997+995+\cdots+5+3+1$
$\implies 2S=(1+999)+(3+997)+(5+995)+\cdots+(995+5)+(997+3)+(999+1)$

$2S=\underbrace{1000+1000+\cdots+1000+1000}_{500\text{ times}}$

(We are adding 500 instances of 1000 because that's how many odd numbers there are between 1 and 1000, inclusive.)

$2S=500\times1000=500000$
$\implies S=250000$

4 0

3 years ago

N÷102=0.123<br> What is the value of n

Sonbull [250]

Answer:

n = 12.546

Step-by-step explanation:

to find the value of n we need to transpose

n ÷ 102 = 0.123

n = 0.123 × 102

n = 12.546

6 0

2 years ago

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Give an example of infinite solution

valkas [14]

Answer:

?

Step-by-step explanation:

3 0

2 years ago

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Find angles X and Y for the question

Sav [38]

Answer:

x = 129

y = 82

Step-by-step explanation:

x + 51 = 180

x = 180 - 51

x = 129

y + 51 + 47 = 180

y = 98 - 180

y = 82

3 0

2 years ago

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I need this as soon as possible. Select all irrational numbers.

Phoenix [80]

A rational number can be expressed in the form

$\frac{a}{b}$ where a and b are integers

Otherwise irrational

Note that $\sqrt{8}$ , $\sqrt{10}$ , $\sqrt{2}$ are all irrational

$\sqrt{}\frac{1}{16}$ = $\frac{1}{4}$ → rational

$\sqrt{}\frac{1}{8}$ → irrational

$\sqrt{}\frac{1}{10}$ → irrational

$\sqrt{}\frac{1}{4}$ = $\frac{1}{2}$ → rational

$\sqrt{}\frac{1}{2}$ → irrational

4 0

2 years ago