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diamong [38]
3 years ago
9

Please answer this multiple choice question CORRECTLY for 30 points and brainliest!!

Mathematics
1 answer:
Rudiy273 years ago
7 0

Answer:

  \text{D.}\quad d=\dfrac{206-8(10)}{7}

Step-by-step explanation:

The total length of the space between rungs is the overall length less the width of 8 rungs, so is 206 -8(10). That space is divided into 7 equal parts, as shown by the equation in choice D.

_____

Choice A looks similar, but is not. In that equation, only the term 8(10) is divided by 7. You want the difference to be divided by 7, so must have a grouping symbol of some kind. Choice D uses the division bar to group the terms of the numerator. Parentheses would work, too, as in ...

  d = (206 -8(10))÷7

but without them, the equation is incorrect.

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Hello, I need of the help, please answer asap!
dimulka [17.4K]

Answer:

230 2/3 ft

Step-by-step explanation:

60 5/6 + 54 1/3 + 59 1/3 +56 1/6

5/6+1/3+1/3+1/6=

Put them into same denominator times 1/3 by 2

5/6+2/6+2/6+1/6= 10/6 (this is improper fraction, simplify and then turn it into mixed)

10/6= 5/3 = 1 2/3

60+54+59+56= 229 +1= 230 and the 2/3 before makes it

230 2/3 ft

5 0
3 years ago
Subtract 15 and 4 , double the difference, and then add two-thirds
mrs_skeptik [129]
15-4 = 11

11 x 2 = 22

22 + 2/3 = 68/3
3 0
3 years ago
Read 2 more answers
The population of a country was estimated to be 1.114 x 10^8. On this day, the population of the world was 3.853 x 10^9.
Lelechka [254]

Step-by-step explanation:

To find how many people lived outside of the country we subtract:

3.853 × 10^{9} - 1.114  × 10^{8}  = 3.7146 ×

To find the percentage of people living inside the country, we divide:\frac{1.114 x10^{8}}{3.853 x10^{9}} =2.8913x10^{-2} percent or 2.89%.  Which is extremely small.

6 0
3 years ago
Please help me on this I will mark brainliest and 30 lts IF its correct
lisov135 [29]

Answer:i will help! what do you ned help with?

Step-by-step explanation:

7 0
3 years ago
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Solve the system: x' = (2 4 -1 6)x
sertanlavr [38]

Answer:

x=e^{8t}+c

Step-by-step explanation:

we have given x'=(24-16)x=8x

x' denotes the differenation

\frac{dx}{dt}=8x  differentiation is performed with respect to t

by variable separable method we can write  

\frac{dx}{x}=8dt

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lnx=8t+c

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so the solution for x will be x=e^{8t}+c

6 0
4 years ago
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