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shusha [124]
3 years ago
9

Kamden is a mind-reading alien. He had each friend draw and look at a card, then he guessed whether the card had a star on it. T

he two-way frequency table below shows data on guess and true status of the cards the friends drew.

Mathematics
1 answer:
torisob [31]3 years ago
7 0

Answer: This is what Khan Academy said the answer was

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Below is a net for a rectangular pyramid.
katrin [286]

Answer:

B

Step-by-step explanation:

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2 years ago
A rectangle with an area of 81 cm² has a length that is 3 times the width. How long is the width of the rectangle? Round to the
LenaWriter [7]

Answer:

W ≈ 5.2 cm

Step-by-step explanation:

Represent the length and width by L and W respectively.

Then L * W = 81 cm^2, and L = 3W.

Substituting 3W for L in the first equation, we get:

3W * W - 81 = 0, or 3W^2 - 81 = 0.

To make it easier to find the final answer, rewrite 3W^2 - 81 = 0 as

            81

W^2 = ------- = 27

              3

Then W (the width) is the positive square root of 27, or W ≈ 5.2 cm

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2 years ago
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A base ball diamond is square. the distance from home plate to first base is 90 feet. in feet, what is the distance from home pl
MariettaO [177]
8,100 i think.... i hope that it helps
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3 years ago
Ian's gross weekly pay last year was $924. At the end of the year he received a 10% pay rise
8090 [49]

Answer:

12

Step-by-step explanation:

6 0
3 years ago
Correct answers only please!
marishachu [46]

Answer:

A = $ 7,299.92

A = P + I where

P (principal) = $ 6,000.00

I (interest) = $ 1,299.92

Step-by-step explanation:

A = P(1 + r/n)^nt

Where:

A = Accrued Amount (principal + interest)

P = Principal Amount

I = Interest Amount

R = Annual Nominal Interest Rate in percent

r = Annual Nominal Interest Rate as a decimal

r = R/100

t = Time Involved in years, 0.5 years is calculated as 6 months, etc.

n = number of compounding periods per unit t; at the END of each period

7 0
3 years ago
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