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Anon25 [30]
3 years ago
6

Sam plans to double his savings each day. He starts

Mathematics
2 answers:
poizon [28]3 years ago
8 0

Answer:

  • $32212254.72

Step-by-step explanation:

  • Initial value = $0.03
  • Increase rate = 2 times each day
  • Time = 30 days

<u>Saving amount after 30 days:</u>

  • $0.03*2^30 = $32212254.72
aalyn [17]3 years ago
3 0

Sam's stating value=$0.03

Double saving in =2 times each day.

Total day=30

so,

<u>According</u><u> </u><u>to</u><u> </u><u>the question</u><u>, </u>

\bold{ 0.03×2^{30}  }

\bold{ 0.03×1073741824  }

\bold{32212254.72   }

so,

32212254.72$ will have be saved after 30 days.

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A cube has a volume of 2197 m^3. Its surface is to be painted. Each can of paint covers about 40 m^2. How many cans of paint are
Gelneren [198K]
<em>Volume= a³</em>
<em>a=edge</em>
<em>2197 = a³</em>
<em>=> a=13 m</em>
<em>Surface area=6a²=6*13²=6*169=1014 m²</em>
<em>\frac{1014}{40} = 25,35 ≈ 26</em>
<em>=> <u>26 cans needed</u></em>
8 0
3 years ago
The polynomial f(x) leaves a remainder of - 3 and - 7 when divided by (3x - 1) and (x +1) respectively.
olga55 [171]

Step-by-step explanation:

Here, f(x) is the given polynomial.

By remainder Theorem,

When divided by (3x-1),

f(1/3) = -3........(1)

When divided by (x+1),

f(-1) = -7.........(2)

<em>Another</em><em> </em><em>polynomial</em><em> </em><em>is</em><em> </em><em>3</em><em>x</em><em>²</em><em>+</em><em>2</em><em>x</em><em>-</em><em>1</em>

Solving,

3x²+2x-1

= 3x²+3x-x-1

=3x(x+1)-(x+1)

=(3x-1)(x+1)

So

f(x) = (3x-1)(x+1)Qx + (ax+b)

For f(-1),

-7 = -a+b

b= a-7

For f(1/3),

-3 = a/3+b

or, -3 = a/3+a-7

or, 4×3 = 4a

or a = 3

Also, b = 3-7 =-4

Hence, remainder is (3x-4)

7 0
3 years ago
Zoe is helping her grandmother freeze strawberries from the family garden. They have 20 pounds of strawberries to freeze. If the
-BARSIC- [3]

Answer:

16

Step-by-step explanation:

1 Container = 1.25 Pounds

? Container = 20 Pounds

  • (Simple crisscross multiplication) <u> </u> <u>1</u><u> </u><u>x</u><u> </u><u>2</u><u>0</u><u> </u><u>Pounds</u> = <u>2</u><u>0</u> = 16 Containers

1.25Pounds 1.25

3 0
3 years ago
What is another way to write this number 300+ 70+5/10+8/100
Mandarinka [93]

Answer:

The another way to write this no. is by adding all the numbers given :

375/18/100

Hope it helps!

3 0
3 years ago
476×11 =__ I need answer with shown work.
Shtirlitz [24]

the answer would be 5236

476 x 1 would be 476. then 10 x 476 would 4760, add them together and you will get 5236

:)

3 0
3 years ago
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