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bezimeni [28]
3 years ago
14

−16t2+75 Solve for t=2

Mathematics
2 answers:
MrMuchimi3 years ago
6 0

Answer:

43

Step-by-step explanation:

-16(2) + 75

-32 + 75

43 (assuming that -16t2 means -16(2) )

If what you meant was -16t^2, then the answer would be this:

-16(2^2) + 75

-16(4)  + 75

-64 + 75

11

SVETLANKA909090 [29]3 years ago
5 0

Answer:

=−16t^2+75

Step-by-step explanation:

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In Vancouver, British Columbia, the probability of rain during a winter day is 0.42, for a spring day is 0.23, for a summer day
nadezda [96]

Answer:

31.82% probability that this day would be a winter day

Step-by-step explanation:

We use the conditional probability formula to solve this question. It is

P(B|A) = \frac{P(A \cap B)}{P(A)}

In which

P(B|A) is the probability of event B happening, given that A happened.

P(A \cap B) is the probability of both A and B happening.

P(A) is the probability of A happening

In this question:

Event A: Rain

Event B: Winter day

Probability of rain:

0.42 of 0.25(winter), 0.23 of 0.25(spring), 0.16 of 0.25(summer) or 0.51 of 0.25(fall).

So

P(A) = 0.42*0.25 + 0.23*0.25 + 0.16*0.25 + 0.51*0.25 = 0.33

Intersection:

Rain on a winter day, which is 0.42 of 0.25. So

P(A \cap B) = 0.42*0.25 = 0.105

If you were told that on a particular day it was raining in Vancouver, what would be the probability that this day would be a winter day?

P(B|A) = \frac{0.105}{0.33} = 0.3182

31.82% probability that this day would be a winter day

6 0
3 years ago
Need an explanation and answer for -25/28 ÷ (5/4)
lyudmila [28]

Answer:

-5/7

Step-by-step explanation:

When you divide fractions, you flip the second fraction, then multiply.

So it becomes -25/28 x 4/5.

This equals -100/140 which reduces to -5/7.

5 0
3 years ago
Convert 6.7 minutes to seconds.
Diano4ka-milaya [45]

Answer:

402 seconds

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
How to write 3.4 in word form and expanded form
ANEK [815]

<em>Answer</em>

Part 1: Three and four tenths.

Part 2: 3.0 + 0.4

<em>Explanation. </em>

When writing numbers in words we must use the concept of place values. In this case for instance, the place value of 3 is ones and the place value of 4 is tenths hence called the "<em>four tenths</em>".

3.4 can be written as the sum of 3 and 0.4. So 3.4 in its expanded form is (3+0.4).

5 0
3 years ago
Read 2 more answers
How many significant figures does the value 43.023 have?
Olin [163]

Answer:

It has 5

hope this helps :)

Step-by-step explanation:


4 0
4 years ago
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