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annoymous
Questions (439)
4. Please balance the following equations. (2 points)
a. ___Al + __02 _______Al2O3
0 answers
70 views
Why is creating a model important to understanding substances?
1 answer
70 views
What is the Law of Conservation of Mass?
1 answer
58 views
Please list an example of a physical change and an example of a chemical change.
1 answer
86 views
5 divided by 10
0 answers
41 views
Please list an example of a physical change and an example of a chemical change.
0 answers
51 views
Please list an example of a physical change and an example of a chemical change.
1 answer
76 views
1. Please list an example of a physical change and an example of a chemical change.
0 answers
54 views
What is the solution of the equation −x/2.9=−3?(
1 answer
38 views
Which of the following should be done to both sides of the equation x/12 = 6 to solve the value of x? use responses
Responses
1 answer
117 views
Which of the following should be done to both sides of the equation x/12 = 6 to solve the value of x? use responses
Responses
1 answer
79 views
Which of the following should be done to both sides of the equation −6x=48 to solve the value of x? use responses
Responses
1 answer
44 views
What is the solution of the equation 4/3x=−6/5?
1 answer
66 views
If 2x=−4, then what is the value of 8x?
1 answer
45 views
What number should both sides of the equation x/−5=−6 be multiplied by to solve for the value of x ?(
1 answer
68 views
What number should both sides of the equation −7x=14 be divided by to solve for the value of x?
1 answer
82 views
The Roman and Byzantine Empires Practice
1 answer
138 views
write an argument essay about why your reader should donate his or her old clothes
For the body paragraphs, follow these
1 answer
148 views
in which chemical equation is the number of atoms in the reactants the same as the number of atoms in the products? use
1 answer
82 views
Which of the following equations has a solution of -1/2 ?
responses x − 1/2 = 1 x − 1 = −1/2 x +1/2 = − 1 x + 1 = 1/2
1 answer
47 views
Which of the following equations has a solution of −1/2 ?
1 answer
42 views
Which of the following equations has a solution of -8 ?USE RESPONSES
Responses x − 8 = 0 x + 3 = − 11 x − 4 = − 12 x −
1 answer
44 views
Which of the following equations has a solution of -8 ?
Responses x − 8 = 0 x + 3 = − 11 x − 4 = − 12 x − 10 = 2
1 answer
42 views
What is the solution of the equation x + 23 = 9?
1 answer
64 views
What is the solution of the equation x−7=1?
1 answer
39 views
What is the expression 4+8(3x−2)−7x when simplified? Apply the order of operations and the commutative and distributive
1 answer
179 views
Subtract 1/2(z+4)−3(1/4z+1) . Use fractions in final form.
1 answer
175 views
Expand −5/6(9b−12).
1 answer
41 views
Expand 7/4(8h+3)
1 answer
57 views
In writing, what is a conclusion?(1 point)
final thoughts about a topic supporting details a central idea the overall topic
1 answer
147 views
-50 divided by -5
1 answer
76 views
3/6 = ?/2 ; ? =
1 answer
70 views
?/8 = 2/4 ; ? =
1 answer
69 views
?/4 = 2/8 ; ? =
1 answer
67 views
1/2 = ?/4 ; ? =
1 answer
85 views
-18 divided by 3
1 answer
73 views
Which description defines a claim?(1 point)
an assertion that something is true a statement that explains a point of view an
1 answer
163 views
7.73 whats in the tenths place
1 answer
88 views
whats in the tenth place 102.88
1 answer
158 views
Yannis's gymnastics scores were 6.5, 2.1, 7.1, and 2.6. In order to calculate his total score, you pick the two top scores and
1 answer
93 views
Which number below has a value of 7 tenths?
A) 0.007 B) 0.070 C) 0.700 D) 7.000
1 answer
95 views
Find 176 ÷ 16.
1 answer
91 views
377 ÷ 13 = ___
1 answer
79 views
Harold has $20.00 to spend. He decided to buy a shirt for $15.95 and spend the rest on packs of gum.
If each pack of gum costs
1 answer
114 views
Brittany's mom gave her $15.00 to buy school supplies. Brittany needs to buy 3 notebooks and some mechanical pencils.
If each
1 answer
242 views
Jabari needs 575 tickets to get the prize he wants at the arcade. He already has 210 tickets and can earn 31 tickets each time
1 answer
143 views
Camille had $18.90 to spend on groceries. After buying 10 grapefruits, she had $3.90 left. If each grapefruit costs the same
1 answer
116 views
4/8 = ?/2 ; ? =
1 answer
74 views
2/4 = ?/6 ; ? =
1 answer
66 views
4/8 = ?/4 ; ? =
1 answer
76 views
?/2 = 3/3 ; ? =
1 answer
63 views
?/8 = 2/4 : ?=
1 answer
78 views
−15 + 4/5(15e − 10) − 10e. USE OPTIONS
Responses 2e − 23 −2e + 23 −2e − 23 2e + 23
1 answer
93 views
Simplify 2(3v+9)−14−6(−5v−4).
1 answer
80 views
Simplify −4 (7b + 3) + 24b − 8. USE OPTIONS GIVEN
Responses 4b − 20 −4b − 20 4b + 20 -4b + 20
1 answer
87 views
Simplify −4 (7b + 3) + 24b − 8.
4b − 20 −4b − 20 4b + 20 -4b + 20
1 answer
93 views
Simplify −4(7b+3)+24b−8.
1 answer
103 views
Which of the following answers applies the Distributive Property of Multiplication Over Addition correctly for simplifying
1 answer
123 views
Simplify −5+3/4(8h+12)−10h.
1 answer
109 views
Simplify 6(3q−4)+18−12q−7(4q+5).
1 answer
108 views
Simplify 17d−33+9(2d+6)−11.
1 answer
104 views
Simplify 5(7x−2)−14x+4.
1 answer
79 views
fill in the blank spaces. One thing that was hard for me was ________________. ________________ helped me to better understand
1 answer
152 views
Finish these sentences to describe the work you did in this portfolio.
One thing that was hard for me was ________________.
1 answer
159 views
Rewrite in first person view
1. Safety precautions: The investigator should consider safety measures such as wearing goggles,
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133 views
6. How did you evaluate the investigation? elephant toothpaste
1 answer
99 views
4. What tools did you use to display and analyze data from the investigation? elephant toothpaste
1 answer
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3. When you conducted the investigation, how did you collect appropriate data? elephant toothpaste
1 answer
105 views
2. Did the investigation plan include procedures and data to be collected? elephant toothpaste
1 answer
96 views
1. Did you generate investigation questions to demonstrate that properties of substances are changed in a chemical reaction?
1 answer
124 views
Physical or chemical Reaction type and why? ELephant toothpaste
1 answer
136 views
what happened when making elephant toothpaste
1 answer
109 views
reaction: steps of procedure of elephant TOOTHPASTE
1 answer
167 views
elephant toothpaste Object and physical and chemical characteristics
1 answer
93 views
44 divided by -11
1 answer
68 views
22 divided by -2
1 answer
70 views
36 divided by -9
1 answer
67 views
54 divided by -6
1 answer
62 views
72 divided by -6
1 answer
66 views
Subtract: 2(k−4)−3(2k−1).
1 answer
97 views
Use the properties of operations to subtract (p−3)−(2.4+2p).
1 answer
108 views
Use the properties of operations to subtract (h+k)−(2k−h).
1 answer
106 views
Use the properties of operations to add 4(g−2)+(g+2).
1 answer
145 views
Add: (4d−3)+(12d+4).
4 answers
126 views
Add: 1/2(x+4)+1/4(4x−2) . Answer should be in mixed number form
1 answer
97 views
Add: 12(x+4)+14(4x−2) . Answer should be in mixed number form
1 answer
123 views
-4 + -10 Show work
1 answer
74 views
144 divided by -12
1 answer
80 views
-10 + -5
1 answer
66 views
-5 + -1
1 answer
70 views
42 divided by -7
1 answer
61 views
Factor 18m − 24n using the GCF
Responses 6(3m - 4n) 3(6m - 12n) 2(9m - 12n) 9(2m - 3n)
1 answer
117 views
Factor 18m − 24n using the GCF
1 answer
120 views
Find the GCF of 42m − 28n .(1 point)
2 14 7 84 whats the correct answer with options given
1 answer
148 views
Find the GCF of 42m − 28n .(1 point)
2 14 7 84
1 answer
96 views
Find the GCF of 42m−28n .
1 answer
169 views
Factor 16d − 12 using the GCF.
1 answer
116 views
Which is most likely to occur during a chemical reaction?(1 point)
The original substance maintains its properties. New atoms are
1 answer
112 views
Use the chemical reaction to answer the question.
There are four atoms of hydrogen (HH ) before the reaction. How many atoms of
1 answer
138 views
Expand −7/6(3g+2)
Responses 7/2g - 7/3 7/2g + 2 -7/2g + 2 -7/2g - 7/3 whats the correct response given
1 answer
72 views
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