Casey is reading a book for a book report. At 3:30 P.M., he started reading where he had left off the day before. At 5:30 P.M. he was on page 160. At 8:00 P.M. he was on page 280. If reading the book is modeled by a linear function, what page did Casey start on at 3:30 P.M.?
Answers
8:00 - 5:30 = 2:30
Casey
To find the number of pages Casey read today subtract the page number he started reading on to the page he stopped on.
280 - 160 = 120
Casey read 120 pages today.
Now you need to find how many pages Casey read in one hour.
If Casey read 120 pages in 2.5 hours, you can find how many pages he read in one hour by dividing 120 by 2.5.
120 ÷ 2.5 = 48.
Casey read 48 pages in one hour.
Casey was on page 160 at 5:30, and you need to find what page he was on at 3:30. Since Casey read for 2 hours before he reached page 160, you need to subtract 2 hours worth of reading from that number.
160 - (2×48)
160 - 96
64
Casey was on page 64 at 3:30 pm today.
(Sorry about the paragraph but i figured ide give you my reasoning and work just in case if i was wrong, ide like to know what i did if i am wrong. And if I'm right then that's how you show your work!)
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1)x
we have x so its -3
2)x+6
-3+6=3 its a multiple of 3 (3x1)
3)6x+18
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-1 is not a multiple of 3
Answer:
If integer m is not a multiple of 3, which of the following must be true? ... of 2 let m=3K+2, (m+1)(m-1) = (3K+3)X(3K+1) is a not a multiple of 2
Step-by-step explanation:
m=4 or 5 satisfies the equation (m+1)(m-1) is a multiple of 3. Hence true.
m=4, (m+1)(m-1) = (4+1)(4-1)=15, not multiple of 2.
B) 0.05
C) 0.10
Answers
Answer:
A) 2.58
B) 1.96
C) 1.65
Step-by-step explanation:
A hypothesis used to test that
against the alternatives not equal to 10
if null hypothesis is true, then distribution of test statics follow
for two sided alternatives hypothesis , then P value is
(1)
a)significance level
from 1 eq we get
Therefore FROM Z TABLE
B) significance level
from 1st equation we get
Therefore FROM Z TABLE
C) significance level
from 1 eq we get
Therefore FROM Z TABLE
Answers
Answer:
35, 100, 45
Step-by-step explanation:
Remember that the angles of a triangle add up to 180
This question is graciously giving you two answers right there, so A and C are easy
A is 35
C is 45
...but what is B?
This is how you find B: 180 - 35 - 45
B is 100
Answers
Answer: 3.5
Step-by-step explanation:
Log(10)(3.5) = 3.5
log(10)=1
1(3.5) = 3.5
Final answer:
The common logarithm, or log base 10, of 3.5 is about 0.544068. However, when rounded to two decimal places, it is 0.54.
Explanation:
The question is asking for the value of log_(10)(3.5). To find this, you would need to use a calculator that has a logarithm function. This value does not have a simple, exact decimal representation, but it can be approximated. Using a calculator, we find the common logarithm, or log base 10, of 3.5 to be approximately 0.54.
However, the question asks us to round this answer to two decimal places. So, using the rules of rounding numbers, we can round 0.544068 to 0.54.
Remember, when you're rounding numbers, if the digit after the place to which you're rounding is 5 or greater, you round up, otherwise, you round down.
Note: Before the days of calculators, we used log tables. Nowadays, we have a simple and easy way to calculate logs - calculators! If you are using a scientific or graphing calculator, there is typically a 'log' button that enables you to calculate logs at the push of a button.
Learn more about Logarithm here:
#SPJ11
where [x] is the whole part of the number x and {x} is the fractional part of the number x.
Answers
Folosesti proprietatea fundamentala a proportiilor;
Apoi, exprimi [ x ] in functie de { x }, si obtii ca :
[ x ] = ( 2012 - { x } ^2 - 2013{ x } ) / ( 2012 + { x } ) ;
Fie { x } = t ∈ [ 0 , 1 ) ;
Obtii ca [ x ] = - t - 1 + 4024 / ( t + 2012 ) ;
Stim ca [ x ] ∈ Z ;
Atunci t = 0 sau t = 2012 ;
Convine numai t = 0 => x = [ x ] ;
Ecuatia originala va avea solutia 1.
Bafta!