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2 years ago

Any of these questions please

Mathematics

1 answer:

maw [93]2 years ago

7 0

Answer:

See the explanation below.

Step-by-step explanation:

$f(t)=21020\left(1+0.012\right)^t\\\\f(t)=21020\left(1.012\right)^t\\$

Starting from $t=2002$

By putting $t=2015-2002=13$ we have:

$f(t)=21020\left(1.012\right)^{13}\\\\\approx 24546$

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The number of students who chose lunch was 5 more than the number of students who chose breakfast. Write a system of linear equa

Papessa [141]

Answer:

The system of linear equations are $y=5+x$ and $x+y=25$

Step-by-step explanation:

Given : The number of students who chose lunch was 5 more than the number of students who chose breakfast. Let x represent the number of students who chose breakfast and y represent the number of students who chose lunch.

(50 students picked, 25 picked dinner the rest picked lunch and breakfast)

To find : Write a system of linear equations that represents the numbers of students who chose breakfast and lunch ?

Solution :

The number of students who chose breakfast be 'x'

The number of students who chose lunch be 'y'.

The number of students who chose lunch was 5 more than the number of students who chose breakfast.

i.e. $y=5+x$

Now, Total student were 50 and 25 picked dinner the rest picked lunch and breakfast i.e. 25.

So, $x+y=25$

Therefore, the system of linear equations are $y=5+x$ and $x+y=25$

4 0

3 years ago

√−100 = ___ +_____i<br> ...

Natalija [7]

Answer:

Step-by-step explanation:

Rewrite this as

$\sqrt{(-1)(100)}$

Knowing that i-squared = -1:

$\sqrt{(i^2)(100)}$

Both i-squared and 100 are perfect squares, so this simplifies to

±10i

7 0

2 years ago

What is the solution of log3x + 4125 = 3?

Advocard [28]

Log3 (x) + 4125=3 final answer

8 0

2 years ago

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To find the quotient Two-fifths divided by one-fourth,

stira [4]

Answer:

POW

Step-by-step explanation:

7 0

2 years ago

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Put the following lengths in ascending order, 900cm, 8.9m, 895cm, 9.1m, 12000mm, 0.0092km.

matrenka [14]

Answer: 8.9 m, 895 cm, 900 cm, 9.1 m, 0.0092 km, 12000 mm

===========================================================

Explanation:

To be able to compare these various measurements, all of them must be the same unit. Let's convert each measurement to meters. If the measurement is already in meters, then we'll move onto the next measurement.

Here are some useful conversion factors

1 m = 100 cm
1 m = 1000 mm
1 km = 1000 m

With those conversion factors in mind, we get the following conversions:

900 cm = (900 cm)*(1 m/100 cm) = (900/100) m = 9 m
8.9 m = already in meters, moving on
895 cm = 8.95 meters; divide by 100 to convert from cm to meters as shown above
9.1 m = already in meters, moving on
12000 mm = (12000 mm)*(1 m/1000 mm) = (12000/1000) m = 12 m
0.0092 km = (0.0092 km)*(1000 m/1 km) = (0.0092*1000) m = 9.2 m

Here is the summary of the conversions:

900 cm = 9 m
8.9 m = 8.9 m
895 cm = 8.95 m
9.1 m = 9.1 m
12000 mm = 12 m
0.0092 km = 9.2 m

The original list of

{900cm, 8.9m, 895cm, 9.1m, 12000mm, 0.0092km}

becomes this equivalent list

{9 m, 8.9 m, 8.95 m, 9.1 m, 12 m, 9.2 m}

in that exact order.

After converting everything to meters, we can then sort the values from smallest to largest. Doing so gets us this sorted list of

{8.9 m, 8.95 m, 9 m, 9.1 m, 9.2 m, 12 m}

Then you convert back each measurement to its original form

{8.9 m, 895 cm, 900 cm, 9.1 m, 0.0092 km, 12000 mm}

which is the final answer.

8 0

3 years ago

Read 2 more answers