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Svetllana [295]
2 years ago
5

98.8% of 668.49 to 2DP

Mathematics
1 answer:
Strike441 [17]2 years ago
4 0

Answer:

Your answer is 660.47 :)

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3 times a certain number n is added to 6, the sum is 20 more than the original
Vikentia [17]

Answer:

n = 5.33→

Step-by-step explanation:

4 0
3 years ago
Identify the constant of proportionality
MissTica
The answer is #2. 3/2. The dot rises 3 lines and moves to the right 2 lines.
7 0
2 years ago
Please help me :(((((((
Gala2k [10]

Answer:

The answer is B

Step-by-step explanation:

Each smaller rectangle is being multiplied by <em>a </em>so 2a + 3a + 4a would give you the total area of the entire large rectangle.

6 0
3 years ago
the price of a mobile phone was $600 in 2007. The price of a mobile phone is 2019 as increased to $1,100. What is the inflation
Elenna [48]

Answer:

0.83

Step-by-step explanation:

The $500 price increase over this 12 year span results in the inflation rate:

$500

---------- = 0.83..., or 0.83 to the nearest hundredth (equivalent to 83%)

 $600

6 0
3 years ago
19. When baking a cake, you have a choice of the following pans:
dimaraw [331]

The answer is

round cake - 82.42 in²

rectangular cake - 114 in²

Round cake:

d = 7 in

r = d/2 = 7 in / 2 = 3.5 in

h = 2 in

The surface are of a cylinder is:

A = 2πr² + 2πrh

The surface are of the round cake (which is actually a cylindrical cake) excluding the bottom is:

A = 2πr² + 2πrh - πr²

A = πr² + 2πrh

A = 3.14 * 3.5² + 2 * 3.14 * 3.5 * 2

= 38.46 + 43.96

= 82.42 in²

Rectangular cake:

w = 6 in

l = 9 in

h = 2 in

The surface are of a rectangle is:

A = 2wl + 2wh + 2lh

The surface are of the rectangular cake excluding the bottom is:

A = 2wl + 2wh + 2lh - wl

A = wl + 2wh + 2lh

A = 6 * 9 + 2 * 6 * 2 + 2 * 9 * 2

= 54 + 24 + 36

= 114 in²

Step-by-step explanation: This answer is not mine but JcAlmighty’s so all credits go to them.

7 0
2 years ago
Read 2 more answers
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