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charle [14.2K]
3 years ago
10

Find S20 for the arithmetic series 8 + 16 + 24 + 32 +…

Mathematics
1 answer:
serg [7]3 years ago
8 0
I did the math it should be 1672
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Please help and thank you
zvonat [6]
The hexagonal prism has a an equation of volume = base * height.

Since we already know the base is 8 sq feet, we can plug in some values and use x as a missing value

40 = 8 * x
Divide by 8
5 = x

X is equal to 5.
7 0
2 years ago
F(x) = -3x + 7<br> What is f (0)?
Oduvanchick [21]
F(0) = -3(0) + 7
f(0) = 7
7 0
3 years ago
Read 2 more answers
Find the value of x.
marshall27 [118]

Answer:

  155°

Step-by-step explanation:

The obtuse angle of the large (outside) triangle is the supplement of 60°, so is ...

  180° -60° = 120°

The angle x is the sum of the remote interior angles of that large triangle:

  x = 35° +120° = 155°

__

<em>Check</em>

The other acute angle in the smaller (left) right triangle is 90° -35° = 55°. Then the top acute angle in the larger (bottom, right) right triangle is ...

  180° -55° -60° = 65°

The other acute angle in that triangle is 90° -65° = 25°. It is supplementary to angle x. Hence angle x is 180° -25° = 155°, as above. (Note that x is also the sum of 90° and 65°, the remote interior angles of the nearest right triangle to x.)

5 0
2 years ago
Put these number in order from least to greatest 6/40 11/20 -7/25 6
egoroff_w [7]

Answer:

-7/25, 6/40, 11/20, 6

Step-by-step explanation:

4 0
3 years ago
If (-2,4) are the coordinates of a point on the line whose equation is y=Mx+1 , what is the slope of the line?
horrorfan [7]

Slope of the line is -3/2

Step-by-step explanation:

  • Step 1: Given that (-2, 4) is a point on the line y = mx + 1, find slope m.

Since the point is on the line, the coordinates will satisfy the equation.

⇒ 4 = m × -2 + 1

⇒ 4 = -2m + 1

⇒ 3 = -2m

∴ m = -3/2

5 0
3 years ago
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