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ANTONII [103]
3 years ago
11

What is the product of (4a+6)(3a-8)

Mathematics
1 answer:
Andreyy893 years ago
4 0

Answer:

12a²-14a-48

Step-by-step explanation:

4a(3a-8) + 6(3a-8)

= 12a²-32a+18a-48

=12a²-14a-48

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Enter the degree form for 3π/4 radians in the box.
Paraphin [41]

Answer:

135 degrees

Step-by-step explanation:

2π radians is the central angle of a full circle, so 2π radians is 360 degrees.

That means that π radians = 180 degrees.

3π/4 radians * (180 degrees)/(π radians) = 135 degrees

3 0
3 years ago
Over the course of 5 games, a football team scores an average of 14 points with an absolute deviation of 4 points. What were the
qwelly [4]
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3 years ago
What is the sum of the first 20 terms of the series 3 + 14 + 25 + 25 + 36 +
Fynjy0 [20]

Answer:

S _{20} = 2150

Step-by-step explanation:

a _{1} = 3 \\ a _{2} = 14 \\ d = a _{2} - a_{1}  = 14 - 3 = 11 \\ n = 20

S _{n} =  \frac{n}{2} (2a + (n - 1)d) \\  \\ S _{20} =  \frac{20}{2} (2(3) + (20 - 1) \times 11) \\  \\ S _{20} = 10 \times (6 + 19 \times 11) \\ S _{20} = 10 \times (6 + 209) \\ S _{20} = 10 \times 215 \\ S _{20} = 2150

6 0
3 years ago
Read 2 more answers
What are the x-intercept and the y-intercept of the graph of y=−1/2x−5
Snezhnost [94]
X intercept (-10,0)

y intercept (0,-5) 
3 0
3 years ago
A stadium has 49,000 seats. Seats sell for ​$42 in Section​ A, ​$36 in Section​ B, and ​$30 in Section C. The number of seats in
Nonamiya [84]

Answer:

7,000

Step-by-step explanation:

3,500b + 3,500c = a

            or

3,000b + 4,000c = a

       7,000 = a

idk what i was doing

7 0
3 years ago
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