6.2
4. decrease £680 by 10% 6.7
14. solve: 5x + 1 = 3
6.3
5. divide 132kg...
Mathematics, 01.12.2019 22:31 forevertj
6.2
4. decrease £680 by 10% 6.7
14. solve: 5x + 1 = 3
6.3
5. divide 132kg in a ratio of 3: 3: 5 6.8
15. find the nth term of this sequence
7 12 17 22 27 23.
work out the height of a triangle with a base 10m and area 20m2.
6.3
6. divide £32 in a ratio of 3: 7 6.8
16. if t(n) = 6n +2, what is the 3rd
term?
6.4
7. if 70% is £14, what is the full
cost? 6.9
17. if y=4x + 3, find the value of y
when x = -2 24.
if the probability of a win is 0.12 and
the probability of a draw is 0.6, what is the probability of a loss?
6.4
8. 4bags of cement do 18m2, how many m2 can be done with 7bags? 6.9
18. y = x + 1 is the equation of a
straight line graph.
what is the gradient of this line?
6.5
9. work out: +
6.21 use π = 3
19. calculate the area of a circle with
radius of 2cm 25.
work out the volume of a cuboid of edge 4m by 4cm by 7cm?
6.5
10. work out: 5 x
6.21 use π = 3
20. calculate the length of the
circumference of a circle with
radius of 7cm
Answers: 3
Mathematics, 21.06.2019 17:20
Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?
Answers: 2
Mathematics, 21.06.2019 21:30
Handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony?
Answers: 1
Mathematics, 21.06.2019 22:00
Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4
Answers: 2
Mathematics, 21.06.2019 23:00
Someone answer this asap for the first five terms of a sequence are shown. 5, 11, 23, 47, 95, . . which recursive function defines the nth term in the sequence for n > 1? a. f(n) = f(n - 1) + 6 b) f(n) = f(n - 1) + 48 c) f(n) = 3 • f(n - 1) + 1 d) f(n) = 3 • f(n - 1) - 4
Answers: 1
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