1 year ago

What does "mean" mean in math terms

Mathematics

1 answer:

Vaselesa [24]1 year ago

5 0

Answer: In math a mean is the simple mathematical average of a set of two or more numbers.

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A kite is flying at a vertical of 65 meters. It's string is attached to the ground at a 31 degree angle with the ground. How lon

Simora [160]

Answer:

70 and 30

Step-by-step explanation:

8 0

2 years ago

Solve<br> -31-4x=-5-5(1+5x)

MrRa [10]

-31 - 4x = 5 - 5 ( 1 + 5x )
-31 - 4x = 5 - 5 - 25x
-31 - 4x = -25x
+ 31 to both sides
-4x = 6
/ -4 to both sides
x = 6/-4 = 3/-2

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3 years ago

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Match the graph with the correct equation. Please help!

galina1969 [7]

Answer:

y = -x -2

Step-by-step explanation:

The graph has a slope of -1 and a y-intercept of -2.

The equation is therefore

y = -x -2

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2 years ago

What is the missing length??

amid [387]

Answer

The missing length is 10

Step-by-step explanation:

Represent the missing length with x

The sides of the given shape are directly proportional.

Mathematically:

(15 + x) to (12 + 8) and x to 7

Represent as a ratio:

$(15 + x) : (12 + 8) = x : 8$

$15 + x : 20= x : 8$

Convert to fraction

$\frac{15 + x}{20} = \frac{x}{8}$

Cross Multiply:

$(15 + x)*8 = 20 * x$

$120 + 8x = 20x$

Collect Like Terms

$20x - 8x = 120$

$12x = 120$

Solve for x

$x = \frac{120}{10}$

$x = 10$

<em>The length of the missing side is 10</em>

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2 years ago

Find the perimeter of the figure

Anna11 [10]

The perimeter is 64 yards.

6 0

3 years ago

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