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emmasim [6.3K]
2 years ago
9

A bag contains 20 marbles: 5 blue, 8 green and 7 orange.Find the

Mathematics
1 answer:
Naily [24]2 years ago
3 0

Answer: 25%

Step-by-step explanation: the probability of drawing blue=5/20

divide 5 by 20= .25 then make .25 into a %:25% (you just move the decimal to the right twice)

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Express as a trinomial (3x+8) (x+10)
docker41 [41]

Answer:

3x^{2} +38x+80

Step-by-step explanation:

Hello!

A trinomial is a expression consisting of three different terms

To turn this into a trinomial we multiply everything to each other

<u>                     3x                     </u>

3x * x = 3x^{2}

3x * 10 = 30x

<u>                     8                      </u>

8 * x = 8x

8 * 10 = 80

Now we put them all together in an equation

3x^{2} +30x+8x+80

Combine like terms

3x^{2} +38x+80

The answer is 3x^{2} +38x+80

Hope this helps!

7 0
3 years ago
Which unit rates would be appropriate for describing the speed of cars in a race?
vodomira [7]
I would think miles per hour would be the best units to use because that is what the speedometer of a car is read in. Hope this helped! comment back with any questions you still have!
7 0
3 years ago
Harry’s dog lost -2 7/8 pounds what is the change in the dog’s weight written as a decimal
krok68 [10]
The answer would be -1.125
7 0
3 years ago
4) 20% of 65 *<br> (Can someone wander this asap)
SVETLANKA909090 [29]

Answer:

13

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Help me pls i don't know how to math thank you
Dimas [21]
Number 2 is 6
i dont know number 3
<span>  number 4 is _x-intercept = -12/11 = -1.09091  y-intercept = -12/4 = -3
</span>number 5 is x=12 ,<span>y=<span>−8</span></span><span>y=<span>-<span>8</span></span></span>

6 0
3 years ago
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