Questions and answers by

JavierAsksAQuestion

Questions (550)

12x – 4 = 4(x + 5)
1. 1 answer
2. 13 views
3(x + 2) = 2x + 8
1. 1 answer
2. 7 views
2 + 3x = 4x + 9
1. 1 answer
2. 6 views
6 + 3x = x – 8
1. 1 answer
2. 8 views
1/6x – 1 = 4
1. 1 answer
2. 9 views
8 + 2/7x = 12
1. 1 answer
2. 5 views
8.4x – 5 = 20.2
1. 1 answer
2. 6 views
2 + 3.3x – 1.7 = 5.25
1. 1 answer
2. 10 views
11x – 4 – 7x = 12[?]x – 4 = 12 (11x and 7x go in the [?]) x = [?]
1. 1 answer
2. 6 views
5x + 9 – 4x = 17[?]x – 8 = 8 x = [?]
1. 1 answer
2. 5 views
x/3 + 2 = 16
1. 1 answer
2. 6 views
–4 + 3x = 20
1. 1 answer
2. 7 views
9x – 6 = 21
1. 1 answer
2. 8 views
2x – 12 = 10
1. 1 answer
2. 5 views
2x = 18
1. 1 answer
2. 9 views
x + 4 = 12
1. 1 answer
2. 6 views
10.26 = 3.17 + x
1. 1 answer
2. 9 views
9.65 = 6.8 + x
1. 1 answer
2. 6 views
3(2x – 1) = 4x + 9x = [?]
1. 1 answer
2. 8 views
1 + 3x = x + 9x = [?]
1. 1 answer
2. 9 views
x – 5 = 4x – 2x = [?]
1. 1 answer
2. 7 views
1/2x – 4 = 8x = [?]
1. 1 answer
2. 10 views
1/3x – 2 = 2x = [?]
1. 1 answer
2. 7 views
3.8 + 4.5x – 1.4 = 8.25x = [?]
1. 1 answer
2. 10 views
1.6x – 8.3 = 6.1x = [?]
1. 1 answer
2. 9 views
9x – 8 – 7x = 8[?]x – 8 = 8 (9x and 7x go in the [?]) x = [?]
1. 1 answer
2. 8 views
–7c + 3c – 6 = 14[?]c – 6 = 14 (–7c and 3c go in the [?]) c = [?]
1. 1 answer
2. 8 views
1. Multiply by the "ones" digit.2. Place a zero in the "ones" column. 3. Multiply by the tens digit. 4. Add to find the product.
1. 1 answer
2. 57 views
Multiply. Then use the code to answer the riddle below.G. 32 x 48 = ? T. 67 x 14 = ? S. 53 x 27 = ? I. 96 x 52 = ? A. 83 x 33 =
1. 1 answer
2. 32 views
G. 32 x 48 = ?T. 67 x 14 = ? S. 53 x 27 = ? I. 96 x 52 = ? A. 83 x 33 = ? D. 49 x 72 = ? M. 39 x 28 = ? E. 56 x 15 = ? N. 83 x
1. 1 answer
2. 34 views
G. 32 x 48 = ?T. 67 x 14 = ? S. 53 x 27 = ? I. 96 x 52 = ? A. 83 x 33 = ? D. 49 x 72 = ? M. 39 x 28 = ? E. 56 x 15 = ? N. 83 x
1. 1 answer
2. 43 views
G. 32 x 48 = ?T. 67 x 14 = ? S. 53 x 27 = ? I. 96 x 52 = ? A. 83 x 33 = ? D. 49 x 72 = ? M. 39 x 28 = ? E. 56 x 15 = ? N. 83 x
1. 1 answer
2. 35 views
In an experiment, a student removes all the leaves of a geranium plant. Several days later, the student notices new leaves
1. 1 answer
2. 51 views
How are Jupiter and the Sun similar?A. The core of each is made of rock. B. Both are made of hot, dense gases. c. Both flip on
1. 1 answer
2. 36 views
The first ionization energy (kJ/mol) for each group 1 element are shown.3 Li 520 11 Na 496 19 K 419 37 Rb 403 55 Cs 376 Which
1. 1 answer
2. 56 views
Place the coefficients into the underlined spaces to balance the chemical equation. Not all coefficients must be used and some
1. 1 answer
2. 58 views
Place the coefficients into the underlined spaces to balance the chemical equation. Not all coefficients must be used and some
1. 1 answer
2. 54 views
Place the coefficients into the underlined spaces to balance the chemical equation. Not all coefficients must be used and some
1. 1 answer
2. 63 views
The weight of a Moon Rover on Earth is 6,000 newtons.What is the approximate weight of a Moon Rover on the Moon? A. O newtons B.
1. 1 answer
2. 40 views
Many different types of rocks are used as building materials. Which of the following building materials is a metamorphic rock?
1. 1 answer
2. 39 views
Silver (I) nitrate (AgNO3) reacts with copper (II) chloride (CuCl2) to produce silver (I) chloride (AgCl) and copper (II)
1. 1 answer
2. 53 views
Place the coefficients into the underlined spaces to balance the chemical equation. Not all coefficients must be used and some
1. 1 answer
2. 56 views
Place the coefficients into the underlined spaces to balance the chemical equation. Not all coefficients must be used and some
1. 1 answer
2. 59 views
Which of the following rocks is a metamorphic rock?A. conglomerate B. obsidian C. sandstone D. schist
1. 1 answer
2. 46 views
To which level of organization does a leaf belong?○ A. cell ○ B. tissue ○ C. organ ○ D. system
1. 1 answer
2. 61 views
What type of bond holds a molecule of O2 together?○ A. Ionic ○ B. metallic ○ C. polar covalent ○ D. nonpolar
1. 1 answer
2. 51 views
This is the universal gravitational constant.G = 6.7 × 10−11 m³/(kg.s²) What is the gravitational force of attraction that
1. 1 answer
2. 51 views
Why is the number of producers usually much greater than the number of other organisms in an ecosystem?A. Producers have access
1. 1 answer
2. 35 views
The seafloor spreads in opposite directions as magma forces its way upward. Geologists have observed matching, reversed magnetic
1. 1 answer
2. 45 views
When a lead nitrate solution is poured into a potassium iodide solution, a bright yellow solid called lead iodide forms.Which is
1. 1 answer
2. 63 views
If 2 grams of substance A react completely with 3 grams of substance B, what must be true about the products?2A + IB- → 3C+ ID
1. 1 answer
2. 52 views
This astronaut is on a space walk while orbiting Earth.What would happen to the force of gravity between the astronaut and Earth
1. 1 answer
2. 62 views
In which biome are minerals in soil most rapidly depleted?○ A. coniferous forest B. deciduous forest ○ c. desert D.
1. 1 answer
2. 58 views
Which technological advance has helped scientists to search for life in other star systems?○ A. development of planetary
1. 1 answer
2. 41 views
This reaction occurs in a closed container.CaO (s) + H2O (l) → Ca(OH) 2 (s) How do the number of atoms in the reactants
1. 1 answer
2. 35 views
Based on the modern system of classification, unicellular organisms that contain both chloroplasts and flagella would be
1. 1 answer
2. 48 views
Which best explains the apparent movement of Venus in the sky?A. Venus rises in the east and sets in the west. B. Venus rises in
1. 1 answer
2. 41 views
David is building a cell model. He has represented each cell part with a part of a city.Which city part is the mitochondrion? A.
1. 1 answer
2. 59 views
Students place 50 g of water in a closed plastic container. They place the container in a freezer. They remove the container
1. 1 answer
2. 57 views
Producers (Phytoplankton)Primary Consumers (Zooplankton) Secondary Consumers (Small fish) Tertiary Consumers (Large fish, birds)
1. 1 answer
2. 50 views
Scientists use chemical formulas to show the type and number of atoms in a compound. The chemical formula for ethanol is C2H5OH.
1. 1 answer
2. 70 views
A physical change never involvesA. the formation of a new pure substance. B. a change in color. c. a change in density. D. a
1. 1 answer
2. 58 views
In the 1960s, the Apollo spacecraft got electric power from fuel cells. Fuel cells operate on a chemical reaction that combines
1. 1 answer
2. 61 views
In the 1960s, the Apollo spacecraft got electric power from fuel cells. Fuel cells operate on a chemical reaction that combines
1. 1 answer
2. 71 views
An object with a mass of 5.0 kg is accelerating toward the surface of Earth at a rate of 9.8 m/s².Which change would double the
1. 1 answer
2. 59 views
People see some objects because those objects give off their own light. People see other objects because those objects reflect
1. 1 answer
2. 81 views
Which abiotic factor best distinguishes a desert from a forest?A. animals B. plants ○ c. precipitation ○ D. rocks
1. 1 answer
2. 42 views
Farming practices have changed dramatically over the last 100 years as scientists have helped farmers learn to manage crops and
1. 1 answer
2. 52 views
Which cause of erosion changes land the most?A. animals B. plants ○ c. soil ○ D. water
1. 1 answer
2. 32 views
Which takes the shape of its container?A. hot water B. plastic ball c. glass marble D. wooden block
1. 1 answer
2. 35 views
An animal with sharp teeth, strong hind legs, and short front legs with pointed claws would beA. like a snake. B. like a fish.
1. 1 answer
2. 67 views
Which property can be used to sort the marbles into groups?○ A. shape B. size ○ c. smell D. texture
1. 1 answer
2. 32 views
How does energy flow through the environment?Complete the model to show how energy flows through this environment. Energy source
1. 1 answer
2. 40 views
How will the arch most likely change in the next 1000 years?A. The arch will move its location slightly. B. The arch will fill
1. 1 answer
2. 81 views
In a last effort to alleviate the revolutionary crisis, American colonial leaders in 1775 sent "The Olive Branch Petition" to
1. 1 answer
2. 42 views
from A Voice from the SouthA stream cannot rise higher than its source. The atmosphere of homes is no rarer and purer and
1. 1 answer
2. 44 views
The first of these two passages from stories by Jack London is about a man at sea, heading west. The second is about a miner who
1. 1 answer
2. 38 views
...it is an ever fixed markThat looks on tempests and is never shaken; It is a star to every wandering bark,* Whose worth's
1. 1 answer
2. 40 views
Part BWhich two details from "The Declaration of Independence" best support the correct answer from Part A? 1. "it becomes
1. 1 answer
2. 40 views
This question has two parts. Answer Part A, and thenanswer Part B. Part A Based on "Declaration of Sentiments," what is
1. 5 answers
2. 68 views
Millie was getting old now, but she still enjoyed chasing a tennis ball occasionally. As she dropped the ball adoringly at
1. 1 answer
2. 38 views
In this excerpt, a scientist records observations of Mount Shasta during an 1860s geological survey of California.from
1. 1 answer
2. 45 views
This passage is from a novel about a young woman named Elizabeth Bennet and her four sisters, Jane, Mary, Catherine, and Lydia.
1. 1 answer
2. 44 views
from Bleak House[Lady Dedlock] supposes herself to be an inscrutable Being, quite out of the reach and ken of ordinary
1. 1 answer
2. 44 views
Based on the author's comparison of the three realms, whichconclusion about the Greeks is most clearly true? 1. The Greeks were
1. 1 answer
2. 48 views
Elinor, this eldest daughter, whose advice was so effectual, possessed a strength of understanding, and coolness of judgment,
1. 1 answer
2. 50 views
When the state council on the arts first announced plans for a new arts center, people in our area immediately showed interest.
1. 1 answer
2. 43 views
Nurse's SongWhen the voices of children are heard on the green, And whisperings are in the dale, The days of my youth rise fresh
1. 1 answer
2. 49 views
This question has two parts. Answer Part A, and then answerPart B. Part A What does the phrase highly dynamic and variable
1. 3 answers
2. 48 views
This sentence is from the passage."Big Bend National Park has often been described as a 'geologist's paradise,' but it has also
1. 1 answer
2. 72 views
This question has two parts. Answer Part A, and thenanswer Part B. Part A What is the main conflict Revels describes in the
1. 3 answers
2. 44 views
Hannah is researching the Civil War for a report she will write. Hannah plans to read diary entries of people who lived during
1. 1 answer
2. 46 views
As Marcus scanned the jewelry cases, his eyes came to rest on an intricately wound necklace. The chain was delicate silver
1. 1 answer
2. 49 views
Two sisters have come to live with their uncle, Mr. Brooke.from Middlemarch It was hardly a year since they had come to live at
1. 1 answer
2. 36 views
Two sisters have come to live with their uncle, Mr. Brooke.from Middlemarch It was hardly a year since they had come to live at
1. 1 answer
2. 46 views
Two sisters have come to live with their uncle, Mr. Brooke.from Middlemarch It was hardly a year since they had come to live at
1. 1 answer
2. 41 views
Two sisters have come to live with their uncle, Mr. Brooke.from Middlemarch It was hardly a year since they had come to live at
1. 1 answer
2. 43 views
In this by-place of nature, there abode, in a remote period of American history, that is to say, some thirty years since, a
1. 1 answer
2. 36 views
"Suppose we ride over and take a look at the spot." He smiled at her little shudder of repugnance. "We haven't any Sherlock
1. 1 answer
2. 40 views
Which statement best describes how the author usesstructure to advance a theme in the passage? 1. The author adopts a fast pace
1. 1 answer
2. 44 views