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aleksandrvk [35]
3 years ago
10

Can u help me answer question 21. ​

Mathematics
1 answer:
REY [17]3 years ago
8 0

Answer:

11.7

Step-by-step explanation:

Multiply them. 3 x 3.9=11.7

Hope I helped!

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If the pttern in the table is extended to represent more equivalent ratios fo 2:6,which pair of numbers would be in the columns?
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Three friends go bowling. The cost per person per game is $5.30. The cost to rent shoes is $2.50 per person. The total cost is 5
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What is the y-intercept of a line through (2, 7) and perpendicular to the<br> graph of y=-3/2x+6
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What is the Pythagoras <br> Theorem?
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this is the definition of it:

In mathematics, the Pythagorean theorem, also known as Pythagoras' theorem, is a fundamental relation in Euclidean geometry among the three sides of a right triangle. It states that the area of the square whose side is the hypotenuse is equal to the sum of the areas of the squares on the other two sides.

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Read 2 more answers
The product of two integers is 112. One number is four more than three times the other. Which of the following equations could b
shepuryov [24]

Answer:

The  equations could be used to find one of the numbers is, 3a^2 + 4a =112

Step-by-step explanation

Let two integers be a and b.

As per the given statement:

The product of two integers is 112.

⇒  ab =112          ......[1]

Also, One number is 4 more than three times the other.

⇒b = 3a +4                      ......[2]

Now substitute equation [1] in [2] we get

a(3a+4) =112

Using distributive property i.e, a \cdot (b+c) = a\cdot b + a\cdot c

(a)(3a)+ 4a = 112

Simplify:

3a^2 + 4a =112

therefore, the equation that could be used to find one of the numbers is;

3a^2 + 4a =112


4 0
3 years ago
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