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AVprozaik [17]
3 years ago
6

Jack's average in math for the first nine week was an 88. His second nine weeks average decreased 12.5 . What was his average fo

r the second nine wekks
Mathematics
1 answer:
pashok25 [27]3 years ago
5 0
The answer is that his average is 75.5 for the second nine weeks
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Find the probability for choosing a letter at random from the word: Probability P(not P) A.) 1/11 B.) 2/11 C.) 5/11 D.) 10/11​
elixir [45]

Answer:

D.) 10/11

Step-by-step explanation:

Here the given word Probability has 11 letters in it. And we have to calculate the Probability of not selecting a letter P from the above word.

So the formula for calculating any probability is Total Favorable outcomes / Total number of outcomes.

Here total number of outcomes are 11 as word Probability has 11 letters.

So the probability of selecting letter P from word Probability =  \frac{1}{11}

Now the P(not P) = 1 - P(selecting letter P)

                            = 1 - \frac{1}{11} = \frac{10}{11}

6 0
3 years ago
What is the result of (x^2 – 10x) – (–5x^2 + x)?
Advocard [28]

Answer:

(6x²-11x) that's the answer :)

5 0
3 years ago
Whats the greatest common factor of 42,28, and 70​
kobusy [5.1K]

Answer:

14

Step-by-step explanation:

70

  1 * 70

  5 * 14

  7 * 10

42

 1 * 42

 3 * 14

 7 * 6

28

 1 * 28

 2 * 14

 7 * 4

pick the largest factor from 70 and check it they also work with the other two. 14 is the GCF.

7 0
2 years ago
Read 2 more answers
5×67=<br><br>a. (67×10)÷2<br>b. (67x2)+(67×2)<br>c. (6 ×7)×5<br>d.(5×6)+(5×7)​
lbvjy [14]

Answer:

a).

= (67×10)÷2

= 670 ÷ 2

= 335

Explanation:

a).

= (67×10)÷2

= 670 ÷ 2

= 335

So, 5×67 = (67×10)÷2

=> 335 = 335

b).

= (67x2)+(67×2)

= 134 × 134

= 268

So, 5×67 ≠ (67x2)+(67×2)

=> 268 ≠ 335

c).

= (6 ×7)×5

= 42 × 5

= 210

So, 5×67 ≠ (6×7)×5

=> 210 ≠ 335

d).

= (5×6)+(5×7)

= 30 + 35

= 65

So, 5×67 ≠ (5×6)+(5×7)

=> 65 ≠ 335

<u>Hence</u><u>,</u><u> </u><u>(</u><u>a</u><u>)</u><u> </u><u>is</u><u> the</u><u> correct</u><u> answer</u><u>.</u>

4 0
3 years ago
i need help on this question it says yunna missed 5 points out of 100 points on her math test.What decimal number repesents the
kap26 [50]
If she got 5/100 wrong she got 95%
95% is the same as 0.95
6 0
3 years ago
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