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Lubov Fominskaja [6]
3 years ago
15

Pls help this is a quiz I need a good grade

Mathematics
2 answers:
liq [111]3 years ago
6 0
70+15=85 95+12=107 107+85=192 hope this helps ;)
AURORKA [14]3 years ago
4 0

Answer:

If u need good grade, then go study

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Helpppp nowww plsss!!!
mote1985 [20]

Answer: See explanation

Step-by-step explanation:

Multiples of 3: 3, 6, 9, 12, 15, 18

Multiples of 6: 6, 12, 18, 24, 30

The least common denominator is <em><u>6</u></em>

1/3 can be rewritten as <em>2/6</em>  and 4/6 can be rewritten as <em>4/6</em>

<em></em>

Hope this helped!

8 0
3 years ago
The resting heart rates for a sample of individuals are normally distributed with a mean of 70 and a standard deviation of 15. U
Liono4ka [1.6K]

Answer:

84%

Step-by-step explanation:

The empirical rule states that 68% values are within 1 standard deviation of mean, i.e,

70

±

15

or from 55 to 85. Since normal distribution is symmetric, we must have (32%) outside this range, and 32/2=16% on the right if this range. Hence below 85 we have (100-16) % = 84%

7 0
3 years ago
Recall that the primes fall into three categories: Let Pi be the set of
a_sh-v [17]

Answer:

Check the explanation

Step-by-step explanation:

(a)Let p be the smallest prime divisor of (n!)^2+1 if p<=n then p|n! Hence p can not divide (n!)^2+1. Hence p>n

(b) (n!)^2=-1 mod p now by format theorem (n!)^(p-1)= 1 mod p ( as p doesn't divide (n!)^2)

Hence (-1)^(p-1)/2= 1 mod p hence [ as p-1/2 is an integer] and hence( p-1)/2 is even number hence p is of the form 4k+1

(C) now let p be the largest prime of the form 4k+1 consider x= (p!)^2+1 . Let q be the smallest prime dividing x . By the previous exercises q> p and q is also of the form 4k+1 hence contradiction. Hence P_1 is infinite

4 0
3 years ago
Sam bought a teddy bear for $3.75 and a stuffed unicorn for $7.50. He gave the cashier $20. How much change did he receive? *
kenny6666 [7]

Answer:

3.75+7.5 = 11.25

20 dollars in total how much change.

20 - 11.25 = 8.75

$8.75 change

7 0
2 years ago
Mr. Abernathy purchases a selection of wrenches for his shop. His bill was $78. He buys the same number of $1.50 and $2.50 wrenc
german
If it's a $1 more than what he pays it will be $5
8 0
3 years ago
Read 2 more answers
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