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Ksju [112]
4 years ago
6

0.000027÷ 0.000009

Mathematics
1 answer:
kap26 [50]4 years ago
8 0
27
__________
1000000
_______________
9
___________
1000000

denominator goes with denominator =

27/9 =3
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F(x) = 2x+1/×-1 find the inverse function
denis23 [38]
To factor this, start by replacing x with y and then solve for y
f(x) = \frac{2x+1}{x - 1}
x = \frac{2y+1}{y - 1}
(y-1)x = \frac{2y+1}{y - 1} * (y-1)
(y-1)x = 2y+1
xy -x = 2y+1
xy - 2y -x +x = 2y - 2y +x+1
xy - 2y = x+1
Factor out y on the left side. 
\frac{xy - 2y}{y} = x+1
y(x - 2) = x+1
\frac{y(x - 2)}{(x-2)} = \frac{x+1}{x-2}
y = \frac{x+1}{x-2}
f(x)^{-1} = \frac{x+1}{x-2}

3 0
3 years ago
In May, Liam and Charlie had the same amount of money in their savings accounts. In June, Liam deposited $140 into his account.
romanna [79]
Let's say both had an original amount of "a".

then Liam deposited 140, so it became a + 140.

then Charlie added 5% of "a" to "a", well, 5% of anything is just (5/100)*anything, so 5% of "a" is just (5/100) *a or 0.05a.

then they checked their amounts and both were equal, what the?  let's check.

\bf \stackrel{\textit{Liam}}{a+140}=\stackrel{\textit{Charlie}}{a+0.05a}\implies a+140=1.05a\implies 140=1.05a-a
\\\\\\
140=0.05a\implies \cfrac{140}{0.05}=a\implies \boxed{2800=a}
7 0
3 years ago
Evaluate an- bc if a = 4 b= 3 and c=2
sveta [45]

Answer:

n=1.5

Step-by-step explanation:

an-bc=

4n-3*2=

4n-6=

4n=6

n=6/4

n=1.5

8 0
3 years ago
Please help i will give a brainlist if you get it right
Dafna1 [17]
C. 69.08 inches thanks and have a great day !
3 0
4 years ago
How do you do this question with explanation included?
tatyana61 [14]

Answer:

Junita

Step-by-step explanation:

\frac{15}{18} = 0.833

junita scored a 83.3%

6 0
3 years ago
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