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erastovalidia [21]
3 years ago
14

The length of time of the school field day was decreased

Mathematics
1 answer:
Tju [1.3M]3 years ago
8 0
18% because take the first digits of each number and put them together lol
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Use an iterated integral to find the area of the region bounded by the graphs of the equations.
Goryan [66]

Answer:

use photomath and it will solve ur problem

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3 years ago
Use function notation to write a recursive formula to represent the sequence: 3, 6, 9, …
dlinn [17]

Answer:

f(n) = f(n - 1) + 3

Step-by-step explanation:

Substitute $ n = 1, 2, 3,.. $ to get the recursive formula.

OPTION 1: f(n) = f(n - 1) + 3

Substituting n = 1.

f(1) = f(1 - 1) + 3 = 0 + 3 = 3.

Substituting n = 2.

f(2) = f(2 - 1) + 3 = f(1) + 3 = 3 + 3 = 6.

Substituting n = 3.

f(3) = f(3 - 1) + 3 = f(2) + 3 = 6 + 3 = 9.

The numbers match the given sequence. So, we say the above recursive formula represents the sequence.

OPTION 2: f(n) = f(n - 1) + 2

Substituting n = 1

f(1) = f(0) +  2 $ \ne $ 3.

So, this is eliminated.

Similarly, OPTION 3 and OPTION 4 can be eliminated as well.

4 0
3 years ago
What is the final amount if 468 is increased by 8% followed by a further 9% increase? Give your answer rounded to 2 DP.
Molodets [167]

Answer:

550.93

Step-by-step explanation:

468*1.08*1.09= 550.93

7 0
3 years ago
Read 2 more answers
Equivalent expression with fewer terms to -9x-3x+15+x-4
kykrilka [37]

Answer:

−11x+11

Step-by-step explanation:

3 0
3 years ago
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A shopkeeper marks the price of an calculator at 25% above cost price. He then allows a discount of 15% of the marked price and
Amanda [17]

Answer:

Rs. 18000

Step-by-step explanation:

x(1 + 25\%) \:   (1 - 15\%) - x = 900

1.0625x - x = 900

0.0625x = 900

x = 14400

•••••

14400 \times (1 + 25\%)

\:  \:  \:  \:  \:  \:  \:  \:  = 14400 \times 1.25

\:  \:  \:  \:  \:  \:  \:  \:  =Rs. 18000

The marked price of a calculator is \boxed{\green{Rs. 18000}}

6 0
3 years ago
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