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erastova [34]
1 year ago
11

Which of the following rational numbers is equal to:

Mathematics
2 answers:
yanalaym [24]1 year ago
8 0

Answer:

31/9

31 divided 9 = 3.444444

To check your answer, divide all of the fractions and see if you get 3.444444.

Hope this helps!

Liono4ka [1.6K]1 year ago
8 0

Answer:

D

Step-by-step explanation:

I’m not sure but i think it is d because 0.7 repeating would be 7/9 so i figure 3.4 repeating would be 34/9.

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[(17-9) x (3x2)] / 2
andrezito [222]

Answer:

-18.5

Step-by-step explanation:

6 0
3 years ago
A sign on the pumps at a gas station encourages customers to have their oil checked, and claims that one out of 10 cars needs to
Archy [21]

Answer:

0.2916, 0.1488, 0.0319

Step-by-step explanation:

Given that a sign on the pumps at a gas station encourages customers to have their oil checked, and claims that one out of 10 cars needs to have oil added.

Since each trial is independent there is a constant probability for any random car to need oil is 0.10

Let X be the number of cars that need oil

A) Here X is BIN(4,0.1)

P(X=1) = 4C1(0.1)(0.9)^3 \\= 0.2916

B) Here X is Bin (8, 0.1)

P(x=2) = 8C2 (0.1)^2 (0.9)^6\\\\=0.1488

C) Here X is Bin (20,5)

P(x=5) = 20C5 (0.1)^5 (0.9)^{15} \\=0.0319

3 0
2 years ago
Is (+11) +(-3)= 8 is this the right answer
aleksandr82 [10.1K]
Yes you see 11-3 is 8 so +11-3=8
6 0
2 years ago
Read 2 more answers
How did you decide which make a ten fact to use? Explain
s2008m [1.1K]
If you are asking when you divide ten into a number, remember this, anything that ends with a 0, it is divisible by 10.
8 0
3 years ago
A gust of wind forces a rock to fall off a cliff that's 20 feet high. This is represented by the function h(t) = –16t2 + 20, whe
Helga [31]

Answer: C.) 1.12 seconds

Step-by-step explanation:

Hi, to answer this question we have to substitute h=0 (when the rock hits the ground the height above it is 0) in the equation given:

h (t) = –16t2 + 20

Solving for t (time)

0= –16t2 + 20

16t2=20

t2=20/16

t=√1.25 =1.12 seconds (option C)

Feel free to ask for more if needed or if you did not understand something.

8 0
2 years ago
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