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Nina [5.8K]
3 years ago
6

Can someone pls explain!

Mathematics
2 answers:
Diano4ka-milaya [45]3 years ago
8 0

Answer:

it's 70%

Step-by-step explanation:

7/10 is .70 and move the decimal to the right twice and get 70. and that means its 70%

zzz [600]3 years ago
7 0

Answer: 70% is shaded. 7 are shaded and there is a total of 10. then you divide the answer would be 0.7 which is the same as 70%

Step-by-step explanation:

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How are the solution sets to s<3 and |s|<3 different ?
Contact [7]

Answer:

they are different because of the mode sign on the second 's',

which if you are wondering what it stands for,

it represents only the magnitude of the value needed, not its sign,

let the assumed value of s be -5,

for example iin the first case, s < 3

hence s = -5, and it is true for s < 3

OR

if we take the second case, lsl < 3

that would be s = 5 [ not -5], which would not be true for lsl < 3

i hope u understood it,

if any more questions...please ask :)

8 0
3 years ago
Solve this please and explain how you do it thank you
andrew11 [14]

Answer:

Step-by-step explanation:

7x=14

X=2

5 0
3 years ago
Follow the order of operations to find the value of the expression 6+(9÷3)​
Sliva [168]

Answer:

9

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Help me I don't know nothing about inequality!!!
I am Lyosha [343]
A.x>9

hope this helps

3 0
3 years ago
Suppose that the probability that any particle emitted by a radioactive material will penetrate a certain shield is 0.01. If 10
AnnyKZ [126]

Answer:

a)P=0.42

b) n\geq 297

Step-by-step explanation:

We have a binomial distribution, since the result of each experiment admits only two categories (success and failure) and the value of both possibilities is constant in all experiments. The probability of getting k successes in n trials is given by:

P=\begin{pmatrix}n\\ k\end{pmatrix} p^k(1-p)^{n-k}=\frac{n!}{k!(n!-k!)}p^k(1-p)^{n-k}

a) we have k=2, n=10 and p=0.01:

P=\frac{10!}{2!(10!-2!)}0.01^2(1-0.01)^{10-2}\\P=\frac{10!}{2!*8!}0.01^2(0.99)^{8}\\P=45*0.01^2(0.99)^8=0.42

b) We have, 1-(1-p)^n=P, Here P is the probability that at least one particle will penetrate the shield, this probabity has to be equal or greater than 0.95. Therefore, this will be equal to subtract from the total probability, the probability that the particles do not penetrate raised to the total number of particles.

1-0.99^n\geq 0.95\\0.99^n\leq 1-0.95\\0.99^n\leq 0.05\\n\geq 297

4 0
3 years ago
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