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OleMash [197]
3 years ago
9

Can someone please help me find C? Thank you :)

Mathematics
1 answer:
gulaghasi [49]3 years ago
3 0
I think it's a, c or e since those are all close to ten but you could use a ruler
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The sum of one–half a number and two-thirds the number is equal to twenty-five less than twice the number.
Savatey [412]

Answer: \frac{1}{2}x + \frac{2}{3}x = 2x - 25

Step-by-step explanation:

First, let's analyze the phrase "the sum of one-half and two-thirds the number". This would translate to:

\frac{1}{2}x + \frac{2}{3}x

Then it says the last part of the expression is "twenty five less than twice the number"

2x - 25

Then, equal the two parts of the equation to each other.

\frac{1}{2}x + \frac{2}{3}x = 2x - 25

Hope this helps! :)

4 0
1 year ago
863.141 in expanded form
Neporo4naja [7]
800
+ 60
+ 3
+ 0.1
+ 0.04
+ 0.001
4 0
3 years ago
If u help me then ill be your friend
marusya05 [52]

Answer:

multiply both sides by 4

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
If a bacteria population starts with 100 bacteria and doubles every three hours, then the number of bacteria after t hours is n
natali 33 [55]

Answer:

f^{-1}=3ln_2(\frac{t}{100})

f^-1 represents the number of hours the bacteria developed

Step-by-step explanation:

f(t) = 100 \cdot  2^\frac{t}{3}

To find inverse of a function , replace f(t) with y

y= 100 \cdot  2^\frac{t}{3}

replace t with y and y with x

x= 100 \cdot  2^\frac{y}{3}

solve for y

divide both sides by 100

\frac{x}{100} =2^\frac{y}{3}

take ln on both sides

ln \frac{x}{100} =\frac{y}{3}ln 2

divide both sides by ln

ln_2(\frac{x}{100}) =\frac{y}{3}

multiply by 3 on both sides

y=3ln_2(\frac{x}{100})

Replace x with t  and y with f^-1

f^{-1}=3ln_2(\frac{t}{100})

f^-1 represents the number of hours the bacteria developed

7 0
3 years ago
2.1.4 Practice: Adding Rational Numbers
galina1969 [7]

Answer:

4+(-6)+8+(-1)

Step-by-step explanation:

if she starts at 4 points and her first turn she cuts 6 trees then you can add a negative 6 which is the same as subtracting that 6 when she plants 8 add those points then for her last turn add a negative 1 which is the same as subtracting 1 and she should end up with 5 points.

6 0
2 years ago
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