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Mazyrski [523]
3 years ago
6

Multiply 2a by(3a+7)​

Mathematics
1 answer:
Serjik [45]3 years ago
5 0
6a^2 + 14a
hope this helps
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A car travels 22 miles for every gallon of gasoline used. The table below represents this relationship. Gas Mileage Distance Tra
ch4aika [34]

Answer: The answer is the second one/b.

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3 years ago
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Write the equation of the circle centered at ( 4 , − 5 ) with radius 18.
Free_Kalibri [48]

Answer:

(x-4)^2 + (y+5)^2 = 324

Step-by-step explanation:

The equation of a circle is given by the equation (x-h)^2 + (y-k)^2 = r^2, where (h,k) is the center point of the circle.

Therefore, since the center point of the circle and the radius is given, we can just plug the numbers into the formula:

(x-4)^2 + (y+5)^2 = 18^2

<u>(x-4)^2 + (y+5)^2 = 324</u>

3 0
3 years ago
Tiana's math test score are 85 and 91 . She has one more test left. In order to earn and A, her average test score must be at le
Zanzabum
85 + 91 + x ÷3 ≥94


You didn't give any choices but this represents the problem.
3 0
3 years ago
What are the common factors of 20 and 24
Mandarinka [93]

Answer:

4

Step-by-step explanation:

4 x 5= 20

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So 4 can go in 20 and 24 making it the common factor

7 0
3 years ago
Calculate the value of the exterior angle
aev [14]

What we know is that the sum of a triangle's internal angles are 180º, and a straight angle makes 180º.

first, we have to find the third internal angle(let's call it n) so that we can use it to find the exterior angle.

(3x + 20) + (4x + 5) + n = 180

simplify:

7x + 25 + n = 180

7x + n = 155

n = 155 - 7x

Now we can add it to the external angle to find x.

(155 - 7x) + (8x + 15) = 180

simplify:

170 + 8x - 7x = 180

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x = 10

Now we can substitute it to the external angle.

8 x 10 + 15 = 95

the exterior angle is 95º.

8 0
3 years ago
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