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elena55 [62]
2 years ago
8

Find the additive inverse or _9.x + 3

Mathematics
1 answer:
Mekhanik [1.2K]2 years ago
6 0
I’m really really sorry i can’t ask another question until i answer somebody’s questions.
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Diegi is trying to find the value of x in 5 x=35. He draws a diagram but is not cerntal how to proceed.
inessss [21]

Answer:

The answer is B because it's correct you guessed it right

Step-by-step explanation:

5 0
3 years ago
Please help ASAP! Will mark brainliest if correct :)
balu736 [363]

Answer:

12

Step-by-step explanation:

Your ratio is 24:8. This ratio simplified is 3:1. 4x3=12. x=12.

4 0
3 years ago
Read 2 more answers
From a box containing 10 cards numbered 1 to 10, four cards are drawn together. The probability that their sum is even is 21 21
ankoles [38]

Answer:

Step-by-step explanation:

We know that between 1 to 10 there are 5 even and 5 odd numbers.

We could get 4 even cards , 4 odd cards or 2 odd and 2 even cards

Let´s check all this combinations

Case 1: When all 4 numbers are even:  

We are going to take 4 of the 5 even numbers in the box so we have

5C4=5

Case 2: When all 4 numbers are odd:  

We are going to take 4 of the 5 odd numbers in the box, so we have

5C4=5

Case 3: When 2 are even and 2 are odd:

We are giong to take 2 from 5 even and odd cards in the box so we have

 

5C2 * 5C2

Remember that we obtain the probability from

\frac{Number-of-favourable-Outcome}{Total-number-of-outcomes}

So we have the number of favourable outcomes but we need the Total cases for drawing four cards, so we have that:  

We are taking 4 of the 10 cards:

10C_4=210

Hence we have that the probability that their sum is even

\frac{5+5+100}{210}=\frac{11}{21}

8 0
3 years ago
Which does not represent an integer?
miv72 [106K]

Answer:

The answer is D

Step-by-step explanation:

  • Let's see all choices in detail

A . 0 it is correct because 0 is an integer

B .It seems like rational number but it is not simplified yet so -18 \ 2= -9

C .

\sqrt{9}  = 3 \: so \: it \: is \: also \: integer

D . 4\5 it is decimal so it is rational number not integer

I hope u like it

4 0
3 years ago
What is 8 meters increased by 20%
NeX [460]
8 increased by 20% is 9.6 i hope this helps :)
8 0
3 years ago
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