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Mathematics 16 Online
OpenStudy (snoopdogg):

help plss i will medal and fan!!!!!!1

OpenStudy (thedeviliscoming):

what is the question?

OpenStudy (snoopdogg):

)Simplify the following expression: (−1)(−7)(4) 12 28 −12 −28

OpenStudy (thedeviliscoming):

28

OpenStudy (thedeviliscoming):

multiply the two negatives then the positive

OpenStudy (snoopdogg):

thanks can you hekp me with more

OpenStudy (thedeviliscoming):

depends on the question

OpenStudy (snoopdogg):

the total temperature change over 3 days in Gritty City was −6 degrees Celsius. What was the average temperature change each day? −3 degrees Celsius −2 degrees Celsius 2 degrees Celsius 3 degrees Celsius

OpenStudy (thedeviliscoming):

-2 degrees celsius divide the total by the number of days

OpenStudy (snoopdogg):

)A football player took forward and backward steps of equal length during a play. After taking 14 steps total, he was back at his starting position. How many steps did the football player take in the forward and backward directions? 6 steps forward and 8 steps backward 7 steps forward and 7 steps backward 8 steps forward and 6 steps backward 5 steps forward and 9 steps backward

OpenStudy (thedeviliscoming):

7 forward and 7 backward

OpenStudy (snoopdogg):

Which number line shows the solution to 3 + (−3)? A number line is shown from negative 6 to 0 to positive 6. There are increments of 1 on either side of the number line. All the points are labeled on the number line. An arrow pointing from 0 to 3 is shown. Above this, another arrow pointing from 3 to 0 is shown. A vertical bar is shown at the tip of the arrowhead of the top arrow. A number line is shown from negative 6 to 0 to positive 6. There are increments of 1 on either side of the number line. All the points are labeled on the number line. An arrow pointing from 0 to negative 3 is shown. Above this, another arrow pointing from negative 3 to 3 is shown. A vertical bar is shown at the tip of the arrowhead of the top arrow. A number line is shown from negative 6 to 0 to positive 6. There are increments of 1 on either side of the number line. All the points are labeled on the number line. An arrow pointing from 0 to 3 is shown. Above this, another arrow pointing from 3 to 6 is shown. A vertical bar is shown at the tip of the arrowhead of the top arrow. A number line is shown from negative 6 to 0 to positive 6. There are increments of 1 on either side of the number line. All the points are labeled on the number line. An arrow pointing from 0 to negative 3 is shown. Above this, another arrow pointing from negative 3 to negative 6 is shown. A vertical bar is shown at the tip of the arrowhead of the top arrow.

OpenStudy (snoopdogg):

oh yaaa and i meant to say thanksss

OpenStudy (thedeviliscoming):

no problem in the third question is there any variables included in the equation?

OpenStudy (snoopdogg):

yes

OpenStudy (thedeviliscoming):

can you tell me the equation with the variables in it?

OpenStudy (snoopdogg):

no i cant,,because it not lettting me send it

OpenStudy (thedeviliscoming):

can you type the equation on here?

OpenStudy (snoopdogg):

yes.. wait it does not have an equation you wanr me to post the question agian or its just that im confuused

OpenStudy (thedeviliscoming):

the equation 3 +(-3) does it have any variables on the part you copied it from?

OpenStudy (snoopdogg):

like on a number line riht

OpenStudy (thedeviliscoming):

is it something like y=3x+(-3)?

OpenStudy (snoopdogg):

oh lol,,nooo

OpenStudy (thedeviliscoming):

then i have no idea how to help you, sorry

OpenStudy (snoopdogg):

Which number line shows the solution to 3 + (−3)?

OpenStudy (snoopdogg):

then i gave you the answer but nvm lets move on

OpenStudy (snoopdogg):

What should be added to −5 to make the sum 0? −5 0 5 6

OpenStudy (thedeviliscoming):

5

OpenStudy (snoopdogg):

Which two charges have a sum of 0? +6 charge and +6 charge −6 charge and −6 charge +6 charge and 0 charge +6 charge and −6 charge

OpenStudy (thedeviliscoming):

the last one

OpenStudy (snoopdogg):

)Point A is located at negative 4 over 6 and point B is located at negative 1 over 6. What is the distance between points A and B? negative 4 over 6 minus negative 1 over 6 = negative 3 over 6; therefore, the distance from A to B is absolute value of negative 3 over 6 equals negative 3 over 6 units negative 4 over 6 minus negative 1 over 6 = negative 3 over 6; therefore, the distance from A to B is absolute value of negative 3 over 6 equals 3 over 6 units negative 4 over 6 plus negative 1 over 6 = negative 5 over 6; therefore, the distance from A to B is absolute value of negative 5 over 6 equals 5 over 6 units negative 4 over 6 plus negative 1 over 6 = negative 5 over 6; therefore, the distance from A to B is absolute value of negative 5 over 6 equals negative 5 over 6 units

OpenStudy (thedeviliscoming):

the second one

OpenStudy (snoopdogg):

Morris is showing his work in simplifying (−6.7 + 4.3) − 1.2. Step 1: (4.3 − 6.7) − 1.2 Step 2: 4.3 − (6.7 + 1.2) Step 3: 4.3 − (7.9) Step 4: −3.6 Which statement is true? In step 1, Morris used the commutative property. In step 2, Morris used the distributive property. In step 3, Morris used the associative property. In step 4, Morris's answer is incorrect.

OpenStudy (thedeviliscoming):

the first one

OpenStudy (snoopdogg):

Tessa had $35. She bought a book for $7 and a magazine for $5. Which expression correctly shows the total money Tessa has left? A $35 − (−$7) + (−$5) B $35 + (−$7) − (−$5) C $35 + (−$7) + (−$5) D $35 − (−$7) − (−$5) A B C D

OpenStudy (thedeviliscoming):

D

OpenStudy (snoopdogg):

Which fraction is equivalent to negative 7 over 8? 8 over negative 7 7 over negative 8 negative 7 over negative 8 7 over 8

OpenStudy (snoopdogg):

you therer?

OpenStudy (thedeviliscoming):

yup

OpenStudy (snoopdogg):

you gott the answer

OpenStudy (thedeviliscoming):

7 over -8

OpenStudy (snoopdogg):

The total charge on 7 particles is −42 units. All the particles have the same charge. What is the charge on each particle? 6 units 5 units −5 units −6 units

OpenStudy (snoopdogg):

6 left

OpenStudy (thedeviliscoming):

-6 units

OpenStudy (snoopdogg):

Solve (−3) ⋅ 2. −6 −5 5 6

OpenStudy (thedeviliscoming):

-6

OpenStudy (snoopdogg):

Which statement best explains the value of 18 − (−5)? The additive inverse of −5 is +5, so 18 − (−5) = 23. The additive inverse of −5 is −5, so 18 − (−5) = 23. The additive inverse of −5 is −5, so 18 − (−5) = 13. The additive inverse of −5 is +5, so 18 − (−5) = 13.

OpenStudy (thedeviliscoming):

the first one

OpenStudy (snoopdogg):

Why is 1 + (−5) equal to −4? Because it is 5 units to the right of 1 on a horizontal number line Because it is 5 units to the left of 0 on a horizontal number line Because it is 5 units to the right of 0 on a horizontal number line Because it is 5 units to the left of 1 on a horizontal number line

OpenStudy (thedeviliscoming):

it is five units to the left of 1 on a horizontal number line

OpenStudy (snoopdogg):

Where is the answer to the expression 3 − 7 located on a horizontal number line? 4 units to the left of 3 7 units to the left of 3 4 units to the right of 3 7 units to the right of 3

OpenStudy (snoopdogg):

thanks for the help

OpenStudy (thedeviliscoming):

no problem

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