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leva [86]
3 years ago
10

What is the product? (5r + 2) (3r -4)

Mathematics
1 answer:
Tanzania [10]3 years ago
7 0

Answer:

15r² - 14x - 8

Step-by-step explanation:

  1. 5x * 3x = 15x²
  2. 5x * -4 = -20x
  3. 2 * 3x = 6x
  4. 2 * -4 = -8

Now add your products,

15x² + -20x + 6x + -8 = 15x² - 14x - 8

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A football team played 90 matches. They won 37 matches.
Mekhanik [1.2K]

Answer:<em> 44 matches</em>

Step-by-step explanation:

<em>Let's take the given information</em>

<em>They won 37 matches</em>

<em>1/9th of their matches resulted in a draw</em>

<em>1/9 out of 90 is 9</em>

<em>You can take 90/9 and you will get 9</em>

<em>Now let us add 37+9 and you get 47</em>

<em>Now take 90-47</em>

<em>44 Matches lost</em>

<em>22/45 or 44/90</em>

5 0
2 years ago
What is the difference of the fractions? Use the number line to help find the answer.
vova2212 [387]
<h2>Explanation:</h2>

Hello, remember you need to write complete questions in order to get good and exact answers. Here you haven't provided any fractions, so I'll give you my own fractions.

The first fraction is:

\frac{1}{2}

The second fraction is:

\frac{1}{4}

So let's say that difference is:

\frac{1}{2}-\frac{1}{4}

Therefore, the result is:

\frac{1}{2}-\frac{1}{4}=\frac{1}{4}

The representation of this problem is shown using the number line below. As you can see, we have written both 1/2 and 1/4 and the difference is also indicated giving the result 1/4. That is, if we walk from 1/4 to 1/2 we'll walk 1/4 units.

6 0
3 years ago
Read 2 more answers
8 less than the product of 9 and a number is 15
Shkiper50 [21]
8-9n=15 I believe
At least I hope
4 0
2 years ago
Read 2 more answers
If the geometric mean of a and 28 is 16 sqrt 7 find a
kozerog [31]

Answer:

a = 64

Step-by-step explanation:

The geometric mean of 2 numbers a and b is \sqrt{ab} , then

\sqrt{28a} = 16\sqrt{7} ( square both sides )

28a = (16\sqrt{7} )² = 1792 ( divide both sides by 28 )

a = 64

8 0
2 years ago
Read 2 more answers
11) Write the equation of the circle with center (7, 3) and a radius of 2.
Minchanka [31]
(x - 7)² + (y - 3)² = 4 is your equation. 
5 0
2 years ago
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