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siniylev [52]
3 years ago
15

Can someone do theses problems please.Giving first person with explanations and answers brainlest :).

Mathematics
2 answers:
Vlada [557]3 years ago
8 0

Rules:

1-A negative*A negative is A positive

2-A negative * A positiveis A negative

3-A posotive * A positive is A positive

Q1)18

Q2)32

Q3)-14

Q4)-5

Q5)30

Q6)4

Q7)-72

Q8)-5

Q9)-6

Q10)-12

Hope i was helpful

tangare [24]3 years ago
3 0
Hope this helps u...

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Bill booked a ride to the airport. If it rains, the traffic will be bad and the probability that he will miss his flight is 0.06
kvasek [131]

Answer:0.614

Step-by-step explanation:

Given

Probability he will miss flight if it rains=0.06

Probability he will miss flight it does not rain=0.01

Given the probability of rain=0.21

Therefore Probability that it will not rain=1-0.21=0.79

Probability that he will miss the flight =0.21\times 0.06+0.79\times 0.01=0.0205

P(actual raining and he missed the flight| he miss the flight)=\frac{0.21\times 0.06}{0.21\times 0.06+0.79\times 0.01}

=\frac{0.0126}{0.0205}=0.614

7 0
3 years ago
If a train traveled at 50 meters within 120 seconds, what is its speed?
Alja [10]

Answer:

v = 0.416 m/s

Step-by-step explanation:

Give that,

Distance covered by a train, d = 50 m

Time taken, t = 120 s

We need to find the speed of a train. The formula for speed of an object is equal to the total distance covered divided by total time taken. It can be given by :

v=\dfrac{d}{t}\\\\v=\dfrac{50\ m}{120\ s}\\\\v=0.416\ m/s

So, the speed of a train is 0.416 m/s.

3 0
2 years ago
What is 75miles/hr in feet/second?(1mile = 5280feet)
vodomira [7]

Answer:

110 feet/sec

Step-by-step explanation:

75 miles x 5280 feet

= 396000

396000/60 min

=6600

6600/60 secs

=110 feet/second

8 0
3 years ago
Which is closer to 7?
Anna [14]

Answer:

A. 5.3

Step-by-step explanation:

While both of these numbers are close to 7, 5.3 is the closest and we can find this out with subtraction. So, 9.9 - 7 = 2.9, but 7 - 5.3 = 1.7. Which one can we determine is closer? Well, 2.9 > 1.7, so our answer must be A. 5.3!

Have a nice day and I hope this helped!

8 0
3 years ago
Read 2 more answers
"Use the graph to fill in the blank with the correct number.<br><br> f(1) = _______"
Lisa [10]
         In the graph it is the point with x- coordinate 1 and y-coordinate - 2
Answer:  f ( 1 ) = - 2
7 0
3 years ago
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