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IRINA_888 [86]
3 years ago
10

Find x segments of circles

Mathematics
1 answer:
DerKrebs [107]3 years ago
7 0

Answer:

x = -9

x = 2

Step-by-step explanation:

We can say that:

x (x + 7) = 6*3

x² + 7x = 18

x² + 7x - 18 = 0

Now solving by quadratic formula we get;

x = 2, and -9

if we substitute in -9 for x, let's see what happens:

(-9) (-9 + 7) = 6*3

(-9) (-2) = 6*3

18 = 18

therefore x = -9 works! Let's see what happens if we substitute x in for 2;

(2) (2 + 7) = 6*3

(2) (9) = 6*3

18 = 18

Therefore x = 2 works as well!

<u>The final answer would be;</u>

<u>x = -9</u>

<u>x = 2</u>

Hope this helps!

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There are 320 apples in a bag.James receives 45% of the apples, his brother receives 30% of the apples and his sister, Eden rece
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Answer:

20 apples

Step-by-step explanation:

First, there are 320 apples that need to be split up between the siblings. We are first working with percentages. The total amount will be 100 percent. James has 45% and his brother has 30%. 45% + 30% is 75%. We subtract that from 100% and get 25%. That means that Eden gets 25% of 320 apple's. That's 320 * .25 or 320 / 4. That is 80 apples for Eden. If she gives 75% of her 80 apples, that means she gives 60 apples away. 80*.75 = 60. Eden would then only have 20 apples left. 80-60=20.

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3 years ago
Write the percent as a fraction or mixed number in simplest form. 72.5
barxatty [35]

Answer:

29/40

Step-by-step explanation:


6 0
3 years ago
Find the value of x (click photo)
Zolol [24]

Answer:

x = 130 degrees

Step-by-step explanation:

7-sided polygon = 900 degrees

114 + 138 + 127 + 108 + 142 + 141 + x = 900

770 + x = 900

<u>-770         -770</u>

x = 130

<em><u>Hope this helped! Have a nice day! Plz mark as brainliest!!!</u></em>

<em><u>-XxDeathshotxX</u></em>

5 0
2 years ago
Read 2 more answers
Ms Melissa and Ms ryanne went for a walk and they got back at 8:02am their walk was actually 45 minutes what time did they leave
dimaraw [331]

Answer: 7: 17

Step-by-step explanation:

This doesn't really make sense but it's how I do it

8:02 = 7:62

    7:62

<u> -      45</u>

    7: 17

6 0
3 years ago
If you jump 8 times in 20 sec how many jumps can you make in 45 seconds at this rate
11Alexandr11 [23.1K]
20 jumps because 45/20 is 2.5 and 8 x 2.5 is 20.
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2 years ago
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