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melamori03 [73]
3 years ago
9

MATH WILL GIVE BRAINLIEST!

Mathematics
1 answer:
Mice21 [21]3 years ago
3 0

Answer:

-2x + 6 \leq 8x or 5x + 3 < 9

Step-by-step explanation:

-2x + 6 \leq 8x   -> x\geq 3/5

5x + 3 < 9       -> x < 6/5

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Evaluate, and round your answer to the nearest hundredth.
VashaNatasha [74]

Answer:

  (d)  -1.83

Step-by-step explanation:

The explicit expression for the sum is ...

  S = (-11/5)×(1 -(-1/5)^10)/(1 -(-1/5)) = -2.2(1 -1.024×10^-7)/1.2

  S = -1.8333331456

The sum is approximately -1.83.

_____

<em>Additional comment</em>

For a sum of a sequence with multiplier 'a' and common ratio r, we find ...

  \displaystyle S=\sum_{n=1}^{10}ar^n=ar+ar^2+ar^3+\dots+ar^{10}\\\\rS=ar^2+ar^3+\dots+ar^{10}+ar^{11}\\\\S-rS=ar+(ar^2-ar^2)+(ar^3-ar^3)+\dots+(ar^{10}-ar^{10})-ar^{11}\\\\S=\dfrac{ar-ar^{11}}{1-r}=ar\dfrac{1-r^{10}}{1-r}

__

A calculator or spreadsheet can also find the sum for you.

7 0
2 years ago
A triangle has a base length of 4ac2 and a height 5 centimeters more than the base length. Find the area of the triangle if a =
Darina [25.2K]

The area of the triangle is 52,000 cm².

<h3>What is the area of the triangle?
</h3>

A triangle is a three-sided polygon with three edges and three vertices. the sum of angles in a triangle is 180 degrees

Area of a triangle = 1/2 x base x height

  • Base = 4 x 5 x 4² = 320
  • Height = 320 + 5 = 325

Area = 1/2 x 320 x 325 = 52,000 cm²

To learn more about triangles, please check: brainly.com/question/22949981

#SPJ1

4 0
2 years ago
Hellppppppppppppppppppppppppp
Aneli [31]

Answer:

126 degrees

Step-by-step explanation:

Every triangle equals to 180 degrees so all you have to do is add 26+28 which equals 54 then subtract that from 180 and there's your answer.

26+28 = 54

180-54 = 126

Hope this helps! :)

7 0
3 years ago
34÷3=?<br> dcvsfregbrfdewqsdcfvgrbtrfdcfvgb
castortr0y [4]

Answer: 11.33333333333333

8 0
3 years ago
Read 2 more answers
The first two terms of geometric sequence are shown.
Ostrovityanka [42]

A geometric sequence follows a pattern with a common ratio.

Find the ratio between 3 and 9

If you multiply 3 by 3 the answer would be 9.

The common ratio is 3.

Now multiply 9 by 3 to get 27.

The answer is D. 27

5 0
3 years ago
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