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mylen [45]
2 years ago
15

Colin invests £1500 into a savings account. The bank gives 4% compound interest for the first 3 years and 5% thereafter. How muc

h will Colin have after 4 years to the nearest pound?
Mathematics
1 answer:
fomenos2 years ago
6 0

1500(1+0.04)^3 = 1687.30

1687.30(1+0.05) = 1771.67 to the nearest pound: 1772

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A line goes through the points (4, 5) and (2, -6). Write the equation of the line in slope-intercept form. ​
myrzilka [38]
3/4 & 1/-3 would be the answer
7 0
2 years ago
Simplify -10(10w-6-w)-w
kompoz [17]

Answer:

-91w + 60

Step-by-step explanation:

to simplify this -10(10w-6-w)-w

we have,

-10(10w-6-w)-w

-100w + 60 + 10w - w

-91w + 60

6 0
2 years ago
If 10% of men are bald, what is the probability that fewer than 100 in a random sample of 818 men are bald? (Answers must be in
Greeley [361]

Answer: the probability that fewer than 100 in a random sample of 818 men are bald is 0.9830

Step-by-step explanation:

Given that;

p = 10% = 0.1

so let q = 1 - p = 1 - 0.1 = 0.9

n = 818

μ = np = 818 × 0.1 = 81.8

α = √(npq) = √( 818 × 0.1 × 0.9 ) = √73.62 = 8.58

Now to find P( x < 100)

we say;

Z = (X-μ / α) = ((100-81.8) / 8.58) = 18.2 / 8.58 = 2.12

P(x<100) = P(z < 2.12)

from z-score table

P(z < 2.12) = 0.9830

Therefore the probability that fewer than 100 in a random sample of 818 men are bald is 0.9830

4 0
3 years ago
A rectangular swimming pool is 15 meters long, 10 1/2
daser333 [38]
V = lwh

15(10.5)(4.5) = 708.75 
7 0
3 years ago
What would my answer be?
Svetllana [295]
Since triangle is isosceles, that means that unknown angles are equal. 180-72=108
108:2=54
So you’re answer would be: 54 degrees.
4 0
2 years ago
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