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Sedaia [141]
3 years ago
6

What is the value of the expression below?

Mathematics
1 answer:
leva [86]3 years ago
5 0
I think it is 18 9/10
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Find the 9th term of the geometric sequence 5, -25, 125, ...
Ganezh [65]

9514 1404 393

Answer:

  1,953,125

Step-by-step explanation:

The first term is a1 = 5; the common ratio is r = -25/5 = -5. The generic term is ...

  an = a1×r^(n-1)

  an = 5×(-5)^(n-1)

So, the 9th term is ...

  a9 = 5×(-5)^(9-1) = 1,953,125

7 0
2 years ago
I need help, I am not familiar with this.
tekilochka [14]

Answer:

the first did it correct

Step-by-step explanation:

8 0
2 years ago
Give letter answer if you give equations rewritten I will give extra points :)
padilas [110]

Answer:

<em>(a), (d)</em>

Step-by-step explanation:

7 0
2 years ago
Elizabeth wants to use a sheet of fiberboard 27 inches long to create a skateboard ramp with a 17^{\circ}
erma4kov [3.2K]

The height of the ramp above the ground from its highest end is 7.9 inches.

<h3>What is height?</h3>

Height is the vertical distance between two points.

To calculate the height of the ramp above the ground, we use the formula below.

Formula:

  • h = Lsin∅............. Equation 1

Where:

  • h = Height of the ramp above the ground
  • L = Length of the fiberboard
  • ∅ = Angle of elevation from the ground

From the question,

Given:

  • L = 27 inches
  • ∅ = 17°

Substitute these values into equation 1

  • h = 27×sin17°
  • h = 7.89
  • h ≈ 7.9 inches

Hence, the height of the ramp above the ground is 7.9 inches.

Learn more about height here: brainly.com/question/23144757

#SPJ1

3 0
8 months ago
The cube of twice a number
raketka [301]

Answer:

The cube of twice a number.

Twice a quantity usually indicates to take two of the things in question; usually this indicates to multiply by 2. Thus "twice a number x" can be written symbolically as 2x. If this is part of a problem, say twice a number x is 6, then we can rewrite algebraically as 2x=6; dividing both sides by 2 yields x=3.

Step-by-step explanation:

have a nice day, please give me brainliest

3 0
3 years ago
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