OregonDuck
  • OregonDuck
@geny55
Mathematics
  • Stacey Warren - Expert brainly.com
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
OregonDuck
  • OregonDuck
Exam: 01.10 Module One Test Part Two
OregonDuck
  • OregonDuck
The number line shows the distance in meters of two divers, A and B, from a shipwreck located at point X: a horizontal number line extends from negative 3 to positive 3. The point labeled as A is at negative 2.5, the point 0 is labeled as X, and the point labeled B is at 1.5 Write an expression using subtraction to find the distance between the two divers. (5 points) Show your work and solve for the distance using additive inverses. (5 points) @geny55
anonymous
  • anonymous
b is 1.5 away from x and a is 2.5 away from x

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More answers

OregonDuck
  • OregonDuck
you did this what was your answer?
anonymous
  • anonymous
You added the amount of units A was away from zero bc that is where X is and then you added the amount away from x to B
anonymous
  • anonymous
0 - 1.5=-1.5 2.5 - 0= 2.5
OregonDuck
  • OregonDuck
write it out like A)... B)...
anonymous
  • anonymous
A ) 1.5 B ) 2.5
OregonDuck
  • OregonDuck
show your work for b plz
OregonDuck
  • OregonDuck
NO NO NO
anonymous
  • anonymous
what
OregonDuck
  • OregonDuck
what is the answer for this: Write an expression using subtraction to find the distance between the two divers. (5 points)
anonymous
  • anonymous
i dont know that one.. so sorry
OregonDuck
  • OregonDuck
@steve816 help with this plz
anonymous
  • anonymous
can you help me now?
OregonDuck
  • OregonDuck
no i need help with 4 essays first
anonymous
  • anonymous
ok ill help
anonymous
  • anonymous
next!
OregonDuck
  • OregonDuck
Write an expression using subtraction to find the distance between the two divers. (5 points) i need this to move on
anonymous
  • anonymous
i dont know that one
OregonDuck
  • OregonDuck
what is this one Show your work and solve for the distance using additive inverses. (5 points)
anonymous
  • anonymous
im not very sure with this question.. give me another question
OregonDuck
  • OregonDuck
A jar contains 0.75 liter of blackberry juice and 0.60 liter of blueberry juice. Patrick poured 0.25 liter of guava juice into the jar. He then drank 0.20 liter of the mixture. Part A: Write an expression to represent the total amount of juice left in the jar. (5 points) Part B: Identify which property is used in each step to simplify the expression. (5 points)
anonymous
  • anonymous
for part A is {(0.75+0.60)+0.25}- 0.20
anonymous
  • anonymous
good?
anonymous
  • anonymous
look lets do this
OregonDuck
  • OregonDuck
yup
OregonDuck
  • OregonDuck
I need b
anonymous
  • anonymous
what is: 0.75+0.60+0.25=...?
OregonDuck
  • OregonDuck
1.6
anonymous
  • anonymous
ok! Now we have subtract 0.2 liters, so we can write: 1.6-0.2=...?
anonymous
  • anonymous
@OregonDuck
OregonDuck
  • OregonDuck
yeah i am back
OregonDuck
  • OregonDuck
what is b
anonymous
  • anonymous
ok! Now we have subtract 0.2 liters, so we can write: 1.6-0.2=...?
OregonDuck
  • OregonDuck
1.4
OregonDuck
  • OregonDuck
what is the answer to b?
anonymous
  • anonymous
just continue with me
anonymous
  • anonymous
ok! that's right. That's your answer to the first part of your question
OregonDuck
  • OregonDuck
ok
anonymous
  • anonymous
now lets do the next part
anonymous
  • anonymous
at the first step, we have applied the associative property of addition, since we have wrote this: (0.75+0.60)+0.25=1.60
OregonDuck
  • OregonDuck
sorry it glitched
OregonDuck
  • OregonDuck
yeah
anonymous
  • anonymous
at the second step, we have computed a subtraction, so we have applied the rule in order to perform a subtraction
anonymous
  • anonymous
done!
OregonDuck
  • OregonDuck
what is b?
anonymous
  • anonymous
b is : at the first step, we have applied the associative property of addition, since we have wrote this: (0.75+0.60)+0.25=1.60 at the second step, we have computed a subtraction, so we have applied the rule in order to perform a subtraction
OregonDuck
  • OregonDuck
ok
OregonDuck
  • OregonDuck
The elevation of city A is 72 feet above sea level; the elevation of city C is 24 feet above sea level. The elevation of city D is 1 over 4 of the elevation of city C. Part A: Write an expression to represent the elevation, in feet, of city D. (5 points) Part B: Simplify the expression and explain why the answer is negative or positive. (5 points)
anonymous
  • anonymous
Part A : D = (1/4) * C D = 1/4 * 24 D = 24/4 = 6 ft above sea level Part B : Your answer is positive because D is still above sea level...if it would have been below sea level, then it would have been negative
OregonDuck
  • OregonDuck
thxs
OregonDuck
  • OregonDuck
The temperature of a city changed by −12 degrees Celsius over a 2-week period. The temperature changed by the same amount each week. Part A: Write an expression to show the average change in the temperature of the city each week. (5 points) Part B: Simplify the expression and explain, using words, what your answer means. (5 points)
OregonDuck
  • OregonDuck
last one
anonymous
  • anonymous
ok
anonymous
  • anonymous
you would have, t=-6w (temperature = -6 degrees multiplied by the week)you can simplify this to, -6=t/w which gives you negative six is equal to the temperature divided by the weeks
OregonDuck
  • OregonDuck
that a?
OregonDuck
  • OregonDuck
is that a?
anonymous
  • anonymous
hold on
OregonDuck
  • OregonDuck
kk
anonymous
  • anonymous
i dont know this one :(
OregonDuck
  • OregonDuck
ok give me a sec then
anonymous
  • anonymous
ok

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