New SAT Math (Calculator) Practice Test 16
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Of the following four types of savings account plans, which option would yield exponential growth of the money in the account?
Each successive year, 2% of the initial savings is added to the value of the account.
Each successive year, 1.5% of the initial savings and $100 is added to the value of the account.
Each successive year, 1% of the current value is added to the value of the account.
Each successive year, $100 is added to the value of the account.
Michael swam 2,000 yards on each of eighteen days. The scatterplot above shows his swim time for and corresponding heart rate after each swim. The line of best fit for the data is also shown. For the swim that took 34 minutes, Michael’s actual heart rate was about how many beats per minutes less than the rate predicted by the line of best fit?
1
2
3
4
Graphene, which is used in the manufacture of integrated circuits, is so thin that a sheet weighing one ounce can cover up to 7 football fields. If a football field has an area of approximately 11⁄3 acres,about how many acres could 48 ounces of graphene cover?
250
350
450
1,350
refer to the following information.
S(P) = 1⁄2P + 40
D(P) = 220 − P
The quantity of a product supplied and the quantity of the product demanded in an economic market are functions of the price of the product. The functions above are the estimated supply and demand functions for a certain product. The function S(P) gives the quantity of the product supplied to the market when the price is P dollars, and the function D(P) gives the quantity of the product demanded by the market when the price is P dollars.
At what price will the quantity of the product supplied to the market equal the quantity of the product demanded by the market?
$90
$120
$133
$155
refer to the following information.
S(P) = 1⁄2P + 40
D(P) = 220 − P
The quantity of a product supplied and the quantity of the product demanded in an economic market are functions of the price of the product. The functions above are the estimated supply and demand functions for a certain product. The function S(P) gives the quantity of the product supplied to the market when the price is P dollars, and the function D(P) gives the quantity of the product demanded by the market when the price is P dollars.
How will the quantity of the product supplied to the market change if the price of the product is increased by $10 ?
The quantity supplied will decrease by 5 units.
The quantity supplied will increase by 5 units.
The quantity supplied will increase by 10 units.
The quantity supplied will increase by 50 units.
Graphs of the functions f and g are shown in the xy-plane above. For which of the following values of x does f(x)+ g(x)=0?
−3
−2
−1
In order to determine if treatment X is successful in improving eyesight, a research study was conducted. From a large population of people with poor eyesight, 300 participants were selected at random. Half of the participants were randomly assigned to receive treatment X, and the other half did not receive treatment X. The resulting data showed that participants who received treatment X had significantly improved eyesight as compared to those who did not receive treatment X. Based on the design and results of the study, which of the following is an appropriate conclusion?
Treatment X is likely to improve the eyesight of people who have poor eyesight.
Treatment X improves eyesight better than all other available treatments.
Treatment X will improve the eyesight of anyone who takes it.
Treatment X will cause a substantial improvement in eyesight.
The cost of using a telephone in a hotel meeting room is $0.20 per minute. Which of the following equations represents the total cost c, in dollars, for h hours of phone use?
c = 0.20(60 h)
c = 0.20h + 60
c =
c =
h = −16t2 + vt + k
The equation above gives the height h, in feet, of a ball t seconds after it is thrown straight up with an initial speed of v feet per second from a height of k feet. Which of the following gives v in terms of h, t, and k ?
v = h + k - 16t
If the function f has five distinct zeros, which of the following could represent the complete graph of f in the xy‑plane?
Tickets for a school talent show cost $2 for students and $3 for adults. If Chris spends at least $11 but no more than $14 on x student tickets and 1 adult ticket, what is one possible value of x ?
3 + =5 −7
3 + =5 −7
In the equations above, b and c are constants. If b is c minus 1⁄2, which of the following is true?
x is y minus 1⁄4.
x is y minus 1⁄2.
x is y minus 1.
x is y plus 1⁄2.
The incomplete table above summarizes the number of left-handed students and right-handed students by gender for the eighth-grade students at Keisel Middle School. There are 5 times as many right-handed female students as there are left-handed female students, and there are 9 times as many right-handed male students as there are left-handed
male students. If there is a total of 18 left-handed students and 122 right-handed students in the school, which of the following is closest to the probability that a right-handed student selected at random is female? (Note: Assume that none of the eighth-grade students are both right-handed and left-handed.)
0.410
0.357
0.333
0.250
In planning maintenance for a city’s infrastructure, a civil engineer estimates that, starting from the present, the population of the city will decrease by 10 percent every 20 years. If the present population of the city is 50,000, which of the following expressions represents the engineer’s estimate of the population of the city t years from now?
50,000(0.1)20t
50,000(0.1)
50,000(0.9)20t
50,000(0.9)
A rectangle was altered by increasing its length by 10 percent and decreasing its width by p percent. If these alterations decreased the area of the rectangle by 12 percent, what is the value of p ?
12
15
20
22
A grain silo is built from two right circular cones and a right circular cylinder with internal measurements
represented by the figure above. Of the following, which is closest to the volume of the grain silo, in cubic feet?
261.8
785.4
916.3
1,047.2
Mr. Kohl has a beaker containing n milliliters of solution to distribute to the students in his chemistry class. If he gives each student 3 milliliters of solution, he will have 5 milliliters left over. In order to give each student 4 milliliters of solution, he will need an additional 21 milliliters. How many students are in the class?
16
21
23
26
The angles shown above are acute and sin(a°) = cos(b°) a b . If a = 4k − 22 and b = 6k − 13, what is the value of k ?
4.5
5.5
12.5
21.5
The sum of three numbers is 855. One of the numbers, x, is 50% more than the sum of the other two numbers. What is the value of x ?
570
513
214
155
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