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9966 [12]
3 years ago
6

Simplify each sum or difference (5r^3+8) + (6r^3+3)

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
7 0
I would say sum because you are adding and it is 11r^3+11

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I would just like to say how happy I have been for getting answers from other people - it's been great!
MatroZZZ [7]

Answer:

Image A could be a Cylinder

Image B is a Tetrahedron

Step-by-step explanation:

Hope this helps : )

8 0
4 years ago
What is 1/3 x3/5 x5/7... x 97/99?
lara [203]

Answer:

Step-by-step explanation:

\frac{1}{3} \times \frac{3}{5} \times \frac{5}{7} \times ...\times \frac{97}{99} =\frac{1}{99} \\

3 0
3 years ago
Read 2 more answers
Assume that a procedure yields a geometric distribution where the probability of success is 19%. Use the geometric probability f
Rudiy27

The probability that the first success occurs on the third trial is 0.125.

Answer: Option C

<u>Step-by-step explanation:</u>

The probability of success is given by the geometric distribution formula:

                    P(X=x)=p \times q^{x-1}

Where,

p = probability of success for single trial.

q = probability of failure for a single trial (1-p)

x = the number of failures before a success.

P(X = x) = Probability of x successes in n trials.

<u>Given: </u>

p = 19% = 0.19

q = 1 – p = 1 – 0.19 = 0.81

x = 3

We want to find the probability that the first success occurs on the third trial so,

           P(X=3)=0.19 \times 0.81^{(3-1)}

           P(X=3)=0.19 \times 0.81^{2}

           P(X=3)=0.19 \times 0.6561=0.125

5 0
4 years ago
The following two right triangles are similar.If side PQ = 42, side LM = 28, and side QR = 24, what is the length of side MN?
barxatty [35]
16. i’m pretty sure cause the ratio would be 42/24 28/x if you divide PQ by LM, the answer is the same number you would use to divide LM to get MN and finish your ratios
8 0
3 years ago
One and one over seventh times three fifths
andreyandreev [35.5K]

Answer:

24/35

Step-by-step explanation:

1) Convert your mixed number (1 and 1/7) to an improper fraction by multiplying your whole number (1) and your denominator (7) which gives you 7. Then add your numerator (1) to that which gets you 8. Then take the original denominator (7) and turn it into improper where your new numerator is 8 and your denominator stays 7. (If that doesn't make much sense then you can look up how to change mixed numbers into improper fractions.)

2) Multiply your numbers straight across.

8/7 * 3/5

8*3= 24

7*5= 35

24/35  you can't simplify this, so 24/35 is your answer

8 0
3 years ago
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