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Pani-rosa [81]
3 years ago
13

The net of a pyramid is shown below:

Mathematics
1 answer:
Shalnov [3]3 years ago
6 0

Answer:

Step-by-step explanation:

height of pyramid = √(10²-(5/2)²) = √93.75

volume of pyramid = ⅓b²h = ⅓·5²√93.75 ≅ 80.69 in³

lateral area = 2×5×10 = 100 in²

base area = 5² = 25 in²

surface area = 100+25 = 125 in²

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A cup of coffee has approximately 310 mg of caffeine. Each hour, the caffeine in your system decreases by about 35%. How much ca
Alex787 [66]

Answer:

∴35.97 mg caffeine would be left in the system after 5 hours.

Step-by-step explanation:

Given that,

A cup of coffee has approximately 310 mg of caffeine.

Caffeine decrease at a rate 35% per hour.

Exponential Function:

y(t)=y_0(1-r)^t

y(t)= Amount caffeine after t hours

y_0= Initial amount of caffeine

r= rate of decrease

t = Time in hour.

Here y(t)=?, y_0 = 310 mg, r=35%=0.35, t= 5 hours

y(t)=310(1-0.35)^5

      =35.97 mg

∴35.97 mg caffeine would be left in the system after 5 hours.

3 0
3 years ago
1680 at 12% for 6 months
vfiekz [6]

Answer:

Could you please expand on your question? Once you do I will edit the answer I put (this) to telling the answer. (The upcoming and this sentence is pre-written and copy and pasted in every brainly question or comment I write or answer.) If this answer helped you please consider giving it brainliest.

- •Trix•

( Yes I know my - •Trix• thingy is not my user but its what I would change it to if I could but I can't, please address me as Trix while commenting or talking to me here.)

8 0
3 years ago
Write each equation in slope intercept form the graph
Makovka662 [10]

I believe the answer is 4/5x +2. Sorry if I’m wrong.

8 0
3 years ago
Solve for x.<br> Give the solutions in ascending order.<br><br> x^2+3x-4=0<br> x= or x=
lutik1710 [3]
To solve this equation simply find 2 numbers that multiply to give -4 and add also to give 3, these numbers are 4 and -1. Since 4 • -1 = -4 and 4 + -1 = 3.

X^2 + 3x - 4 = 0
(X - 1)(X + 4) = 0
X = -4 and X = 1 in ascending order.
3 0
3 years ago
The following table shows the number of hours some high school students in two towns spend riding the bus each week:
katen-ka-za [31]

Hey there again,

The first step is to put the data in order, as shown in the diagram below


Five summaries of Town A

Lowest Value = 10

Lower Quartile,  = 16.5 (The value falls between 16 and 17)

Median,  = 25

Upper Quartile,  = 40 (The middle value between 38 and 42)

Highest value = 42


Five summaries of Town B

Lowest value = 0

Lower Quartile,  = 4 (The middle value between 0 and 8)

Median,  = 9

Upper Quartile,  = 20 (The middle value between 19 and 21)

Highest Value = 30

Hoped I Helped

8 0
3 years ago
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