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Svetradugi [14.3K]
2 years ago
15

Pls help me on this rq

Mathematics
2 answers:
Alexxx [7]2 years ago
4 0

Answer:

Q1= +,+   Q2= -,+  Q3= -,-  Q4= +,-

aev [14]2 years ago
3 0

Answer:

(+,-)

Step-by-step explanation:

On the x axis it is negative and on the y axis it is positive

hope this helps!!!

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Subjects for the next presidential election poll are contacted using telephone numbers in which the last four digits are randoml
vovikov84 [41]

Answer: 0.3439

Step-by-step explanation:

Given :The last four digits for telephone numbers are randomly selected​ (with replacement).

Here , each position can be occupied with any of the digit independently .

Total digits = 10

Total digits other than 0 = 9

For each digits , the probability that it is not 0 = \dfrac{9}{10}=0.9

If we select 4 digits , The probability of getting no 0 =(0.9)^4 =0.6561

(By multiplication rule of independent events)

Now , the probability that for one such phone​ number, the last four digits include at least one 0. = 1- P(none of them is 0)

=1- 0.6561=0.3439

Hence, the probability that for one such phone​ number, the last four digits include at least one 0. is 0.3439 .

4 0
2 years ago
You had a collection of insects what ways might you classify them
Wittaler [7]
By the size , color, or if they have wings or no wings, etc. just think of what might be different on each one or group.
6 0
3 years ago
3 ft<br> 2 ft<br> 2 ft<br> Find the total surface area of the pyramid
Leviafan [203]

Answer: 28

Step-by-step explanation:

I’m not sure but that’s my guess

7 0
2 years ago
Ella can complete the cheep cheep beatch course in 1 minute and 25 seconds. If the course is 3 laps long. How long would it take
Minchanka [31]

Answer: it will take her 56.67 seconds or 0.945 minutes to race 2 laps

Step-by-step explanation:

It takes Ella 1 minute and 25 seconds to complete the cheep beach course.

We can express this time in seconds or minutes. Expressing it in seconds,

1 minute = 60 seconds

Therefore,

1 minute and 25 seconds = 60 +25 = 85 seconds

If the course is 3 laps long, that means she completed 3 laps in 85 seconds. The time it will take her to race 2 laps would be

(2 × 85)/3

= 56.67 seconds

Converting to minutes, it will be

56.7/60 = 0.945 minutes

7 0
3 years ago
Thanks for helping, I really appreciate it
den301095 [7]

Answer:

a)ΔFHA is similar to ΔZIA by hypotenuse side test.

reason:- angle H and angle I are of 90 degrees.

b) FH/ ZI = HA/ IA = FA/ ZA

angle F = angle Z, angle H = angle I , angle angle A = angle A

The scale factor is 3/2......( HA/IA = 12/8 = 3/2)

c) IZ = 3.3 ....( FH/ IZ = 3/2, 5/ IZ = 3/2, IZ = 10/3 = 3.33)

7 0
3 years ago
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