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natka813 [3]
2 years ago
7

A stone fell from the top of a cliff into the ocean

Mathematics
2 answers:
nordsb [41]2 years ago
5 0

Answer:

what do I have to do???........

Lelechka [254]2 years ago
4 0

Answer:

cool..

Step-by-step explanation:

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The time to complete a standardized exam in the BYU-Idaho Testing Center is approximately normal with a mean of 70 minutes and a
leva [86]

Answer:

Step-by-step explanation:

Given that X the time to complete a standardized exam  in the BYU-Idaho Testing Center is approximately normal with a mean of 70 minutes and a standard deviation of 10 minutes.

We have 68 rule as 2/3 of total would lie within 1 std deviation, and 95 rule as nearly 95% lie within 2 std deviations from the mean.

We have std deviation = 10

Hence 2 std deviations from the mean

= Mean ±2 std deviations

=70±20

= (50,90)

Below 50, 0.25 or 2.5% would complete the exam.

3 0
3 years ago
What is the constant of proportionality for the question (-4x + 8y = 0)?​
zubka84 [21]

Answer: 1/2

Step-by-step explanation:

1) Put the equation into y=kx form

- add 4x to both sides

- divide by 8 on both sides to get y=1/2x

2) k is the constant of proportionality

8 0
2 years ago
State what additional information is required in order to know that the triangles are congruent for the reason given. If possibl
Ierofanga [76]

In this We need one more side congruent because one is common i.e FG. It is the line which is Dividing it into two triangles. The property used here is SAS or Side-angle-side Property.

7 0
2 years ago
Read 2 more answers
Need help will mark Brainliest
Bond [772]

Answer:

confusion?

Step-by-step explanation:

your welcome

5 0
2 years ago
A boat travels 36 miles in 1.5 hours and then 14 miles in .75 hour what is the average speed
marin [14]
I believe it's around 50 miles.

6 0
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