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Hitman42 [59]
3 years ago
12

Add: 3/8 + 1/8 + 2/8

Mathematics
1 answer:
Ghella [55]3 years ago
4 0

The answer to 3/8+ 1/8 + 2/8 = 0.75 or 3/4

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To find the volume of a figure you need to use which of the following formulas?
suter [353]

Answer:

l x w x h

Step-by-step explanation:

volume is usually length x width x height

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3 years ago
2. Given a quadrilateral with vertices (−1, 3), (1, 5), (5, 1), and (3,−1):
zlopas [31]
<h2>Explanation:</h2>

In every rectangle, the two diagonals have the same length. If a quadrilateral's diagonals have the same length, that doesn't mean it has to be a rectangle, but if a parallelogram's diagonals have the same length, then it's definitely a rectangle.

So first of all, let's prove this is a parallelogram. The basic definition of a parallelogram is that it is a quadrilateral where both pairs of opposite sides are parallel.

So let's name the vertices as:

A(-1,3) \\ \\ B(1,5) \\ \\ C(5,1) \\ \\ D(3,-1)

First pair of opposite sides:

<u>Slope:</u>

\text{For AB}: \\ \\ m=\frac{5-3}{1-(-1)}=1 \\ \\ \\ \text{For CD}: \\ \\ m=\frac{1-(-1)}{5-3}=1 \\ \\ \\ \text{So AB and CD are parallel}

Second pair of opposite sides:

<u>Slope:</u>

\text{For BC}: \\ \\ m=\frac{1-5}{5-1}=-1 \\ \\ \\ \text{For AD}: \\ \\ m=\frac{-1-3}{3-(-1)}=-1 \\ \\ \\ \text{So BC and AD are parallel}

So in fact this is a parallelogram. The other thing we need to prove is that the diagonals measure the same. Using distance formula:

d=\sqrt{(y_{2}-y_{1})^2+(x_{2}-x_{1})^2} \\ \\ \\ Diagonal \ BD: \\ \\ d=\sqrt{(5-(-1))^2+(1-3)^2}=2\sqrt{10} \\ \\ \\ Diagonal \ AC: \\ \\ d=\sqrt{(3-1)^2+(-5-1)^2}=2\sqrt{10} \\ \\ \\

So the diagonals measure the same, therefore this is a rectangle.

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3 years ago
Vanesa earns a base salary of 400
nydimaria [60]

Answer:

Cool

Step-by-step explanation:

7 0
3 years ago
What is the measure of
snow_tiger [21]
3x=90 2x=50
And the last one is 40
7 0
3 years ago
Read 2 more answers
Which of the following are equivalent to 160%
vichka [17]
18/10
9/5
Anything along those lines!
3 0
3 years ago
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