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CaHeK987 [17]
3 years ago
12

Reduce to simplest form. -5/8+(-8/5)=?

Mathematics
1 answer:
lara31 [8.8K]3 years ago
4 0

Answer:

-2\frac{9}{40}

Step-by-step explanation:

-\frac{5}{8}+(-\frac{8}{5}) = -\frac{25}{40}-\frac{64}{40} (find common denominator)

=-\frac{89}{40}

=-2\frac{9}{40} (reduce to simplest form)

Hope this helps :)

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The multiplication inverse of -3 is?
Murrr4er [49]

-1/3

An example that goes through step by step is below:

The Multiplicative Inverse Property. What number can we multiply to 8 to get 1 (the multiplicative identity) as the answer? So, the multiplicative inverse of 8 is 1/8!

Hope that helps!

6 0
3 years ago
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Find the surface area of the composite figure.
Sloan [31]

With the help of the <em>area</em> formulae of rectangles and triangles and the concept of <em>surface</em> area, the <em>surface</em> area of the composite figure is equal to 276 square centimeters.

<h3>What is the surface area of a truncated prism?</h3>

The <em>surface</em> area of the <em>truncated</em> prism is the sum of the areas of its six faces, which are combinations of the areas of rectangles and <em>right</em> triangles. Then, we proceed to determine the <em>surface</em> area:

A = (12 cm) · (4 cm) + 2 · (3 cm) · (4 cm) + 2 · (12 cm) · (3 cm) + 2 · 0.5 · (12 cm) · (5 cm) + (5 cm) · (4 cm) + (13 cm) · (4 cm)

A = 48 cm² + 24 cm² + 72 cm² + 60 cm² + 20 cm² + 52 cm²

A = 276 cm²

With the help of the <em>area</em> formulae of rectangles and triangles and the concept of <em>surface</em> area, the <em>surface</em> area of the composite figure is equal to 276 square centimeters.

To learn more on surface areas: brainly.com/question/2835293

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7 0
1 year ago
7.92 8.055<br> 7.9<br> 7.98 8.072 8.027<br> Least to greatest
ioda

Answer:

First, we compare the given numbers using a place value chart. Since I don't have one of those, we won't be using a guide.

<u>7.92</u>

<u>8.055</u>

<u>7.9</u>

<u>7.98</u>

<u>8.072</u>

<u>8.027</u>

Comparing those, this order is the correct arrangement from least to greatest:

<u>7.9</u>

<u>7.92</u>

<u>7.98</u>

<u>8.027</u>

<u>8.055</u>

<u>8.072</u>

~Hope this helps~

8 0
3 years ago
What is the inverse of the function f(x) = 169x2 when x &gt; 0?
spin [16.1K]

Answer:

y = (√x)/13 for x > 0

Step-by-step explanation:

Actually, this is f(x) = 169x^2; the " ^ " indicates exponentiation.  The graph consists of the right-hand half of the parabola 169x^2.  Before we attempt to find the inverse function, we determine whether or not this function passes the vertical line test.  If x is restricted to (0, infinity), a horizontal line intersects this graph only once.  Therefore, this function has an inverse.

1.  Replace 'f(x)' with 'y:'  y = 169x^2

2.  Interchange x and y:  x = 169y^2

3.  Solve for y:  y^2 = x/169, or y = (√x)/13 for x > 0

6 0
3 years ago
If u live in Nashville, Tennesse then happy snow day
finlep [7]

Answer: no u

Step-by-step explanation:

7 0
3 years ago
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