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12345 [234]
2 years ago
14

12 A pilot needs to know the maximum height an aircraft can fly at. The cabin has been tested and is safe to a height of 15679 m

. Round this height appropriately: a) to a whole number of kilometres b) to a whole 100 m.please help me​
Mathematics
1 answer:
abruzzese [7]2 years ago
7 0
15.6 kilometers rounded down because it is not safe to go above what has been approved
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The expression f(x) = 12(1.035)* models the monthly growth of membership in the new drama club at a school. According to the fun
olga nikolaevna [1]

Answer:

The monthly growth rate is 3.5%.

Step-by-step explanation:

The exponential growth function is given as follows:

y=a(1+r)^{x}

Here,

<em>y</em> = final value

<em>a</em> = initial value

<em>r</em> = growth rate

<em>x</em> = time taken

The provided expression for the monthly growth of membership in the new drama club at a school is:

f(x) = 12\cdot(1.035)^{x}

Comparing this function with the exponential growth function:

a(1+r)^{x}=12(1.035)^{x}\\\\a(1+r)^{x}=12(1+0.035)^{x}

Then value of <em>r</em> is 0.035 or 3.5%.

Thus, the monthly growth rate is 3.5%.

7 0
3 years ago
Find the original price of a pair of shoes if the sale price is $28 after a 50% discount.
Grace [21]

Answer:

The original price was 56 dollars

Step-by-step explanation:

28 divided by 0.5 equals 56

8 0
2 years ago
16-5(3t-4)=8(-2t+11) How to Solve
Hunter-Best [27]

16 - 5(3t - 4) = 8(-2t + 11)        <em>use distributive property</em>: <em>a(b + c) = ab + ac</em>

16 - (5)(3t) - (5)(-4) = (8)(-2t) + (8)(11)

16 - 15t + 20 = -16t + 88

36 - 15t = -16t + 88      <em>subtract 36 from both sides</em>

-15t = -16t + 52            <em>add 16t to both sides</em>

t = 52

5 0
3 years ago
In a college parking lot, the number of ordinary cars is larger than the number of sport utility vehicles by 42.9%. the differen
fenix001 [56]
Let
 x = number of common cars
 y = number of suvs
 we can write the following system of equations
 x-y = 12
 x = 1.429y
 Solving the system we have
 x-y = 12
 1.429y-y = 12
 and (1,429-1) = 12
 y = (12) / (1,429-1) = 27.97202797
 then,
 x = 1429 * (27.97202797)
 x = 39.97202797
 answer
 The number of suvs in the parking lot is 28
6 0
3 years ago
Why is 6√3 irrational or rational?
Oduvanchick [21]

Answer:

irrational.

Step-by-step explanation:

√3 is irrational.

product of rational and irrational number is always irrational.

6×√3=6√3

6 0
2 years ago
Read 2 more answers
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