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andreev551 [17]
3 years ago
6

Need help with this geometry question (pic below)

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
8 0
X=5 because 5•4=20, 20-7= 13
2•5=10, 10+3=13
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Plz help me with this
Zolol [24]
Answer : 4 & 5
Explanation :
4x-5/8 >-10 + 3x |multiply by 8
4x-5> -80 + 24x. | minus 4x , add 80
-5+80 > 24x -4x
75> 20x. |divide by 20
3.75 > x

So x is greater than 3.75 therefore 4 and 5 are the answers
7 0
3 years ago
A/b + 8/b = ?/b what’s the numerator for the following rational expression
8090 [49]

Answer:

Numerator: A + 8

Complete Form: \frac{A+8}{b}

Step-by-step explanation:

Hello!

If we have two fractions that are being added or subtracted with the same denominator, we can simply add up the numerators and keep it over the same denominator.

Let's use this question as an example:

  • \frac Ab + \frac 8b = \frac ?b
  • \frac {A + 8}{b}

The problem is basically saying, "If I took A slices from b slices and 8 slices from b slices, how many slices would I have?"

The answer would be A + 8 slices.

6 0
3 years ago
Is the formula s=(n-2)180
Phantasy [73]

Answer:

Number of sides of the polygon

Step-by-step explanation:

The formula S=(n-2)180 is the sum of the measures of interior angles. So that's what S stands for. The only other variable remaining is n which is the number of sides of the polygon.

There's nothing I can do to help you understand this, you just have to memorize it.

5 0
3 years ago
A bag contains 3 red marbles, 2 blue marbles, and 5 green marbles. What is the probability of randomly selecting a blue marble,
GuDViN [60]
The answer to this is A.) 1/9.

The answer was found as follows:

1. Count all of the total probabilities, make it the denominator of your fraction under your favorable possibilities. In this case, you favorable possibility would be the marble you select, so lets start with the blue marble. But, we would repeat this with the other color later. Now, we have 2/10, or 1/5.

2. After you set up your proportion, do the same for the next marble color. The only difference this time is that because you did not replace that one marble you might've picked up before, your denominator would be nine, subtracting that one marble from your total possibilities. Now you would put your total green marbles over your total possibilities. You should get 5/9.

3. Now, set up both the proportions so you multiply them together, 1/5 x 5/9.

4. Your number now should be 5/45, but we will simplify it to get our final answer of 1/9.
8 0
3 years ago
How many of each number are there 2, 13, 3, 5, 6, 2, 5, 12, 16, 2, 21, 0, 8, 4, 18, 10, 18, 11, 17, 8, 9, 20, 15, 15, 6, 3, 20,
mars1129 [50]

Answer:

Step-by-step explanation:

4 0
3 years ago
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