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notka56 [123]
3 years ago
12

What is Julen 3/4÷1 and 1/8 in simplest form

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
6 0

let's firstly convert the mixed fraction to improper fraction and then divide.


\bf \stackrel{mixed}{1\frac{1}{8}}\implies \cfrac{1\cdot 8+1}{8}\implies \stackrel{improper}{\cfrac{9}{8}} \\\\\\ \cfrac{3}{4}\div\cfrac{9}{8}\implies \cfrac{3}{4}\cdot \cfrac{8}{9}\implies \cfrac{3}{9}\cdot \cfrac{8}{4}\implies \cfrac{1}{3}\cdot 2\implies \cfrac{2}{3}

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The ratio of petunias to geraniums in the greenhouse was 15 to 2. Combined there was 1020. How many geraniums were in the greenh
Mrac [35]

in short, we simply split the total amount by the given ratio, so we'll split or divide 1020 by (15 + 2) and then distribute accordingly.

\bf \cfrac{petunias}{geraniums}\qquad 15:2\qquad \cfrac{15}{2}~\hspace{7em}\cfrac{15\cdot \frac{1020}{15+2}}{2\cdot \frac{1020}{15+2}}\implies \cfrac{15\cdot \frac{1020}{17}}{2\cdot \frac{1020}{17}} \\\\\\ \cfrac{15\cdot 60}{2\cdot 60}\implies \cfrac{900}{120}\implies \stackrel{petunias}{900}~~:~~\stackrel{geraniums}{120}

5 0
3 years ago
A population data set produced the following information. N=460, ∑x=3920, ∑y=2650, ∑xy=26,570, ∑x2=48,530 Find the population re
NikAS [45]
Regression line is given in the form of: y = a + bx
Where b is the gradient

Working out 'b'

b = \frac{S_{xy}}{S_{xx}}
S_{xy} =Σxy - [ΣxΣy]/N
S_{xx}= Σx² - [Σx]²/N

S_{xy} = 26570 - \frac{(3920)(2650)}{460}= \frac{91710}{23} =3987.39
S_{xx}=48530- \frac{(3920)^2}{460}=15124.78
b= \frac{3987.39}{15124.78}=0.264

Working out 'a'

a = [∑y/N] - b[∑x/N]
a = [2650/460] - 0.264[3920/460]
a = 5.86 - 2.25
a = 3.61

Regression line equation is 
y = 3.61 + 0.264x
5 0
3 years ago
What is the slope and y-intercept of the graph? (write your answer in simplest form)
Basile [38]

Answer:

ok

Step-by-step explanation:

what do u mean by the simplest form?

8 0
3 years ago
Fred has an account balance of $50. He needs at least $500 to buy a new computer. If he deposits $30 per day from his take home
Lena [83]
Answer:

15 days

Explanation:

500-50=450

450/30= 15

It will take Fred 15 days to have a balance of $500 to buh a new computer.
8 0
3 years ago
Read 2 more answers
Rodrigo tiene 3 listones de madera: el primer listón es 0,75 cm más largo que el segundo; el segundo listón mide 22,25 cm; y el
disa [49]
True true true si di di du du du dud jj

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3 years ago
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