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Questions (308)
what volume of a square pyramid with base edges of 24 cm and a slant height of 37 cm?
a) 7104 cm^3 b) 20160 cm^3 c) 10080 cm^3 d)
1 answer
183 views
what is the maximum volume of a pyramid that can fit inside a cube with a side length of 24 cm?
a) 2304 cm^3 b) 4608 cm^3 c) 6912
1 answer
166 views
what is the height of the cylinder? the figure is not drawn to scale.
volume= 271.4 in^3 radius= 6 in a) 2.4 in b) 7.2 in c) 14.4
1 answer
282 views
what is the lateral area of the cone to the nearest whole number? the figure is not drawn to scale.
base=160 m height=60 m a)
1 answer
250 views
what is the lateral area of the cone to the nearest whole number? the figure is not drawn to scale.
radius=80 m height=60 m a)
1 answer
315 views
what is the lateral area of a regular pentagonal pyramid that has a slant height of 16 in. and a base side length of 8 in.?
a) 64
1 answer
156 views
What is the surface area of the cylinder in terms of pi? the diagram is not drawn to scale.
Radius=8 inches Height=20 inches a)
1 answer
191 views
what is the lateral area of the rectangular prism? round the answer to the nearest whole number. assume the 5 m x 7 on the left
1 answer
170 views
Use Euler's formula to find the missing number. Vertices: 22 Edges: 34 Faces:?
a) 10 b) 12 c) 14 d) 16
1 answer
257 views
What is the difference between beta-minus and beta-plus decay in terms of the particles emitted and the effect on the atomic
1 answer
168 views
Radium-226 undergoes alpha decay. What will be the products of this nuclear reaction? Explain.
1 answer
109 views
An alpha particle is equivalent to the nucleus of an atom of which element?
a) nitrogen b) carbon c) helium d) hydrogen
1 answer
160 views
In which type of radioactive decay does the nucleus become more stable without changing its identity?
a) beta-minus decay b)
1 answer
202 views
How is fusion different from a simple chemical reaction?
a) The nuclei combine in a fusion reaction. b) Energy is released in a
1 answer
205 views
Which phrase describes radioactive decay?
a) the joining of small nuclei into a larger nucleus b) the triggering of one reaction
1 answer
216 views
The nucleus shown undergoes beta-minus decay. How many protons will the nucleus have after it decays?
131/53 I a) 54 b) 130 c) 52
1 answer
132 views
A neutron strikes a plutonium-239 nucleus, starting a fission reaction. The products are a strontium-96 nucleus, a barium-140
1 answer
135 views
How can you tell from looking at a nuclear reaction that fusion has taken place?
a) The nucleus with the largest mass number will
3 answers
129 views
Which statement describes radioactive decay?
a) A stable nucleus takes in particles or energy to become less stable. b) An
1 answer
148 views
Which phrase describes nuclear fission?
a) a series of reactions in which particles from one reaction trigger the next reaction
1 answer
152 views
Which of the following groups organized workers to demand higher wages and safer working conditions?
National Grange Farmers
1 answer
151 views
Allison is planning to cover the lateral surface of a large cylindrical garbage can with decorative fabric for a theme party.
1 answer
132 views
A jewelry store buys small boxes in which to wrap items that it sells. The diagram below shows one of the boxes. Find the
4 answers
310 views
Mario's company makes unusually shaped imitation gemstones. One gemstone had 12 faces and 20 edges. How many vertices did the
1 answer
238 views
Use Euler's formula to find the missing number.
Faces: 25 Vertices: 17 Edges: ? a) 43 b) 41 c) 39 d) 40
3 answers
271 views
After suffering injuries to her spine during a car accident, Penny gets occasional pain. Her doctor says that the disks in her
1 answer
196 views
Bruno’s wife tells him that she is having pain in the base of her neck. Bruno believes that his wife’s pain is most likely
1 answer
307 views
alternative medicines cannot be used in conjunction with conventional medicine
a) true b) false
1 answer
127 views
naturopathy focuses on healing disease instead of restoring health.
a) true b) false
1 answer
127 views
at least one third of people who have massages every year in the united states do it to alleviate health issues.
a) true b) false
1 answer
122 views
Every morning, India spends time on her deck performing yoga poses. While she is posing, she makes a conscious effort to let go
1 answer
244 views
which professional involved with alternative medicine would most likely deal with issues pertaining to muscles and tissues?
a)
1 answer
186 views
After several hours of playing football, Rani’s lower back feels extremely tight. His trainer says that it does not appear to
1 answer
218 views
For her migraine headaches, Leah’s doctor prescribed a special nose spray. It worked but it was extremely expensive. Leah
1 answer
317 views
Because of her frequent yeast infections, Cara’s doctor recommends that she eat at least ½ cup of yogurt a day. He explains
1 answer
259 views
Mateo is a concrete specialist. He has poured driveways and swimming pools for almost 20 years. Mateo tries to stay healthy, but
1 answer
312 views
Greta is a healthy 21-year-old college student. She majors in dance, works part time at a restaurant, and tutors freshman
1 answer
263 views
when would a child most likely receive their first vaccination?
a) at the hospital when they are born b) at their three-month
1 answer
223 views
It is not often that Jade prescribes a screening for osteoporosis for one of her patients, but there are situations in which the
1 answer
196 views
While discussing her family history, Dawn tells her doctor that her mother and two aunts have been treated for breast cancer.
1 answer
217 views
While pregnant, Sara reads a book discussing her baby’s first year. The book says that she should expect to bring the baby in
1 answer
297 views
Mario's company makes unusually shaped imitation gemstones. One gemstone had 12 faces and 20 edges. How many vertices did the
1 answer
185 views
Felix works as a representative of Project STAR, speaking at community events and schools on how to prevent drug abuse in the
1 answer
432 views
Recently diagnosed with hypertension, Mila has joined exercise classes at her local YMCA based on her doctor’s
1 answer
426 views
In a senior center, Isaac has set up a temporary stand in which he is running free skin cancer screenings. Sometimes it is hard
1 answer
379 views
At the preschool Sofia works in, caregivers sing a song to help children remember to wash their hands after they use the
1 answer
229 views
What is the primary purpose of screening?
a) to treat diseases b) to identify diseases before major symptoms appear c) to
1 answer
161 views
4Fe(s) + 3O₂(g) ⟶ 2Fe₂O₃(s)
How many grams of iron (III) oxide are formed when 25 grams of iron reacts completely with
1 answer
234 views
2. How many grams of iron (III) oxide are formed when 25 grams of iron reacts completely with oxygen?
1 answer
179 views
1. Balance the following equation
___Fe(s) + ___O₂(g) ⟶ ___Fe₂O₃(s)
1 answer
141 views
You must show ALL WORK and INCLUDE UNITS to get full credit.
1. Balance the following equation ___Fe(s) + ___O₂(g) ⟶
1 answer
276 views
How many moles of aluminum are needed to react completely with 1.2 moles of FeO.
2Al(s) + 3FeO(s) ⟶ 3Fe(s) + Al₂O₃(s)
1 answer
227 views
Nitrogen and hydrogen react to produce ammonia according to the following equation.
N₂ + 3H₂ → 2NH₃ The molar mass of
1 answer
238 views
Use the chemical equation to answer the question.
CaI₂ (s) + Cl₂(g) → CaCl₂(s) + I₂(s) The molar mass of calcium (Ca)
1 answer
243 views
Use the chemical equation to answer the question.
CaI₂ (s) + Cl₂(g) → CaCl₂(s) + I₂(s) The molar mass of calcium (Ca)
1 answer
321 views
The atomic mass of carbon (C) is 12.011 amu, and the atomic mass of hydrogen (H) is 1.008 amu. Which substance has a molar mass
1 answer
166 views
The atomic mass of the element neon (Ne) is 20.180 amu. Which measurement is correct?
a) 1 gram Ne = 20.180 moles = 6.022×10²³
1 answer
308 views
Balancing chemical equations demonstrates that all atoms are conserved during reactions as they change from reactants to
1 answer
161 views
Use the chemical equation to answer the question.
2Na + Cl₂ → ?NaCl In the reaction, sodium and chlorine combine to produce
1 answer
352 views
What is the two-dimensional shape created by slicing a triangular prism parallel to the base?
Pick one of the choices below 1.
3 answers
661 views
What is the two-dimensional shape created by slicing a triangular prism parallel to the base?
1. rectangle 2. square 3. triangle
1 answer
422 views
What is the two-dimensional shape created by slicing a triangular prism parallel to the base?
1 answer
296 views
Describe the two-dimensional shape made by slicing a rectangular prism vertically, perpendicular to the base.
1 answer
547 views
What is the area of the shaded region in the given circle in terms of pi and in the simplest form?
the picture shown is of a
1 answer
169 views
Ethan writes the ratio x8=y16 to help him reduce the size of a two-dimensional shape. If the new value of y is 3 units, what
1 answer
260 views
If the area of a circle is 28.26 cm2, what is the radius of the circle?
3 answers
380 views
what is the area of triangle PQR round to the nearest tenth of a square meter? drawing is not drawn to scale. 18m 25 degrees 8m
a
15 answers
271 views
what is the area of a regular octagon with a side of 8 in? round to the nearest tenth.
a) 443.4 in^2 b) 618.0 in^2 c) 221.7 in^2
1 answer
213 views
The force of gravity is _________ on the Moon than on Earth because the Moon has less ________ than Earth.
Fill in the blanks.
1 answer
100 views
Siobhan is an intake nurse who must take each patient’s vitals before they are seen. Siobhan gathers her supplies to enter the
1 answer
606 views
Siobhan is an intake nurse who must take each patient’s vitals before they are seen. Siobhan gathers her supplies to enter the
1 answer
297 views
find the area of the triangle to the nearest tenth
104 m, 40 degrees, 226 m. a 7554 m^2 b 9002.6 m^2 c 9861.1 m^2 d 11752 m^2
3 answers
271 views
find the area of a regular octogon with side length 6 cm to the nearest tenth a 29.8 cm^2
b 38 cm^2 c 77.9 cm^2 d 173.8 cm^2
1 answer
100 views
10 is less than 15 what sign do you use.
Answers 1. < 2. > 3. =
1 answer
63 views
Use the Triangle Angle Sum Theorem then find the largest angle in a triangle with angle measures of (x−20)°, (3x+3)°, and
1 answer
377 views
Apply the Triangle Inequality Theorem to determine the possible whole number measures of the third side of a triangle if the
1 answer
337 views
Apply the Triangle Inequality Theorem to determine the possible whole number measures of the third side of a triangle if the
2 answers
687 views
Apply the Triangle Inequality Theorem to determine which three side lengths form a triangle.
Pick one of the answers There is
1 answer
128 views
Apply the Triangle Inequality Theorem to determine which three side lengths form a triangle.
Pick one of the answers 1. 8, 8, 20
1 answer
183 views
The area of a triangle is 96. If the base of a triangle is tripled and the height is reduced to one-third its original length,
1 answer
275 views
Josh tends to have episodes of irritability if he has not eaten in a while. His doctor explains that this is most likely caused
1 answer
259 views
The angles of a triangle measure 2x, 3x, and 4x. Using the Triangle Angle Sum Theorem, find the measure of the smallest angle in
1 answer
971 views
Identify the combination of angle measures that could form a triangle
Pick one of the choices 1. 25°, 65°, and 90° 2. 45°,
4 answers
718 views
Think of the burning of wood in a campfire. Why can’t this reaction reach equilibrium?
a) The reaction releases energy. b) The
1 answer
164 views
This unit included several 'real world' examples of chemistry including discussions of water systems, kevlar, ppmace,
1 answer
152 views
Use the reaction to answer the question.
3MnO₄ ²⁻ + 4H⁺ ⇄ 2MnO₄⁻ + 2H₂O + MnO₂(s) How would adding MnO₄²⁻
1 answer
329 views
Use the reaction to answer the question.
N₂ (g) + 3H₂ (g) ⇄ 2NH₃ (g) + energy A student finds this reaction is already at
1 answer
317 views
Which statement is true of a system at equilibrium?
a) Changes in the system are visible, but there are no changes at the
1 answer
146 views
Use the reaction below to answer the question. A solution at equlibrium is yellow-orange. The concentration of Fe3+ (iron) ions
1 answer
229 views
What is the definition of activation energy?
a) The energy required to break the bonds of the reactants b) The energy released
1 answer
169 views
What factors affect the rate of a chemical reaction?
a) Temperature, pressure, and volume b) Concentration, surface area, and
1 answer
303 views
Which of the following would shift this reaction to the left?
N₂ (g) + 3H₂(g) ⇄ 2NH₃ (g) + energy
1 answer
129 views
Which of the following would shift this reaction to the right?
N₂ (g) + 3H₂(g) ⇄ 2NH₃ (g) + energy
1 answer
141 views
Can anyone give the answers to:
drawing triangles quiz part 2?
5 answers
152 views
here are the answers to the Land Resources Unit Review Practice:
What effects can erosion have on a beach? Select the two correct
1 answer
778 views
1. How did Manifest Destiny affect the lives of Native Americans and Hispanic communities already living in new U.S.
0 answers
107 views
a garden sprinkler sprays a distance of 10 feet in all directions. What is the area that the garden sprinkler will cover?
WHAT IS
1 answer
243 views
a garden sprinkler sprays a distance of 10 feet in all directions. What is the area that the garden sprinkler will cover?
WHAT IS
1 answer
263 views
So basically it's a question about astronamers measuring light-years
And well I need help because I'm stuck on this test and
1 answer
226 views
If I know the weekly sales of calculators can be modeled by the equation s(t)=10-te^(-t/20) where s is the number of calculators
1 answer
230 views
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