429 Answered Questions for the topic SAT

06/06/20

A cube is placed in a pool of water. If the cube is 12 cm long on each side, what is the weight of the cube? (Use 1000 kg/m3 for the density of water)
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06/01/20

Help with this question!
What is an example of a polynomial you could add to h(x) to generate a polynomial with a degree of 5?h(x) = -3x^6 + 2x^4 - 3x^2
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05/18/20

Use the discriminant to describe the number of x -intercepts of f(x)=2x^2−5x−4.
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05/18/20

For a submarine to stay submerged, it must be neutrally buoyant, which means it is maintaining a careful balance between its weight and the buoyant force of water pushing it toward the surface.
If a submarine has an enclosed volume of 327.781 m3, how much must it weigh to stay submerged? (Use 1000 kg/m3 for the density of water.)
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05/13/20

A cube is placed in a pool of water. If the cube is 48 cm long on each side, what is the weight of the cube? (Use 1000 kg/m3 for the density of water)
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05/13/20

An unknown gas has a density of 0.18 kg/m3, and air has a density of 1.275 kg/m3. If a balloon is filled with 0.129 m3 of helium,

what is the maximum mass the balloon can have and still float?
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05/13/20

A rectangular boat is 11 m wide and 12 m long. After a truck pulls onto the ferry, the boat ends up with a depth of 4 cm submerged under the water.

If the weight of the ferry is 10,000 N, what is the maximum weight of the truck? (Assume the density of water is 1000 kg/m3.)
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05/13/20

A rectangular boat is 7 m wide and 7 m long. After a truck pulls onto the ferry, the boat ends up with a depth of 1 cm submerged under the water.

What is the combined weight of the truck and the ferry? (Assume the density of water is 1000 kg/m3.) 
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05/13/20

For a submarine to stay submerged, it must be neutrally buoyant, which means it is maintaining a careful balance between its weight and the buoyant force of water pushing it toward the surface.
If a submarine has an enclosed volume of 327.781 m3, how much must it weigh to stay submerged? (Use 1000 kg/m3 for the density of water.)
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05/13/20

A rectangular boat is 7 m wide and 7 m long. After a truck pulls onto the ferry, the boat ends up with a depth of 1 cm submerged under the water.

What is the combined weight of the truck and the ferry? (Assume the density of water is 1000 kg/m3.)
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05/11/20

Math Word Problem { SAT }
Between 1497 and 1500, Amerigo Vespucci embarked on two voyages to the New World. According to Vespucci’s letters, the first voyage lasted 43 days longer than the second voyage, and the two voyages... more
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05/11/20

Homework question help!!!!
The fish population in Looney Ton Lake is modeled by the equation P(t) = 2500(0.92)t, where p(t) represents the number of fish and t represents the time, in years, since January 2010. In which year... more
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05/11/20

Homework question help!!!
The number of bees in a colony is modeled by the equation N(d) = 120(1.15)d, where N(d) represents the number of bees and d represents the number of days from now. How many bees should the... more
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05/11/20

Math question #7 Logarithm
Determine the equation of the exponential regression function for the data.X - 0 1 2 3 4 5Y - 74.8 60.2 47.8 38.3 30.8 24.4a) y =... more
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05/11/20

Math question help!!!!
The population of a specific bacteria growing in a Petri dish is modelled by the function p(t)=5000(2)t/8 , where p(t) represents the number of bacteria and trepresents the time, in days, after the... more
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05/10/20

A man is lying on the beach, flying a kite. He holds the end of the kite string at ground level and estimates the angle of elevation of the kite to be 65°.
If the string is 425 ft long, how high is the kite above the ground?(Round your answer to the nearest foot.)
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05/08/20

A block of wood is 10 m long, 63 cm wide, and 100 mm high. Can you find the block's mass when the density is 443 kg/m^3 ?
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05/07/20

What is the percentage of people taking the test score between 370 and 592?
The mean is 592, the standard deviation is 111, it uses the 68–95–99.7 rule
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05/04/20

XY Plane help please

in the xy intercept line L has a y intercept of -13 and is perpendicular to the line with equation y = -2 / 3x If the point (10,b) is one the line L, what is the value of b
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Sat Biology

05/01/20

(SAT ll Biology M ) and the topic of evolution
good morning,does the SAT ll Biology M require knowledge about evolution ,,like will it present questions about this topic ?thank you very much in advance
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04/28/20

Assume that the number of network errors experienced in a day on a local area network (LAN) is distributed as a Poisson random variable.

The average number of network errors experienced in a day is 2.4. What is the probability that in any given daya. Zero network errors will occur?b. Exactly one network error will occur? c. Two or... more
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04/20/20

Can someone help me pleaseeeee !! Let f(x)=4x√−2x for x>0. Find the open intervals on which f is increasing (decreasing). Then determine the x-coordinates of all relative maxima (minima).
Let f(x)=4x√−2x for x>0. Find the open intervals on which f is increasing (decreasing). Then determine the x-coordinates of all relative maxima (minima). 1.   f is increasing on the... more
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04/20/20

Help please !! f(x)=−2x^3−6x^2+210x−6 is increasing on the interval ( ....... , ....... ) ?
f(x)=−2x^3−6x^2+210x−6 is increasing on the interval ( ....... , ....... ) ?It is decreasing on the interval ( −∞, .......  ) and the interval (  ...... , ∞ ). ?The function has a local maximum at ... more
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04/20/20

Can someone help me please ? Suppose f(x) is continuous on [2,7] and −2≤f′(x)≤4 for all x in (2,7). Use the Mean Value Theorem to estimate f(7)−f(2).
Suppose f(x) is continuous on [2,7] and −2≤f′(x)≤4 for all x in (2,7). Use the Mean Value Theorem to estimate f(7)−f(2).answer = [..............] ≤f(7)−f(2)≤ [.............]
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04/20/20

help pleaseeee !! Consider the function f(x)=1−6x^2 on the interval [−5,4].
Consider the function f(x)=1−6x^2 on the interval [−5,4].(A) Find the average value of the function on this interval, i.e.f(4)−f(−5) / 4−(−5)= ....(B) By the Mean Value Theorem, we know there... more
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