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3 years ago

Which calculation and answer show how to convert to a decimal 13/16?!!!! will give brainliest.

Mathematics

2 answers:

docker41 [41]3 years ago

8 0

Divide 13 by 16. A fraction represents a division problem. 5/10 is 5 divided by 10 or 0.5 or 50%. Hope this helps

viktelen [127]3 years ago

7 0

I think you're missing part of the question?

013/16 = 0.266

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The coordinates of quadrilateral PQRS are P(–3, 0), Q(0, 4), R(4, 1), and S(1, –3). What best describes the quadrilateral?

denis-greek [22]

Answer:

Square

Step-by-step explanation:

Plot the vertices of the quadrilateral PQRS on the coordinate plane (see attached diagram). The diagram shows that this is a square. Let's prove it.

1. Find all sides lengths:

$PQ=\sqrt{(-3-0)^2+(0-4)^2}=\sqrt{(-3)^2+(-4)^2}=\sqrt{9+16}=\sqrt{25}=5\\ \\QR=\sqrt{(0-4)^2+(4-1)^2}=\sqrt{(-4)^2+(3)^2}=\sqrt{16+9}=\sqrt{25}=5\\ \\RS=\sqrt{(4-1)^2+(1-(-3))^2}=\sqrt{(3)^2+(4)^2}=\sqrt{9+16}=\sqrt{25}=5\\ \\SP=\sqrt{(1-(-3))^2+(-3-0)^2}=\sqrt{(4)^2+(-3)^2}=\sqrt{16+9}=\sqrt{25}=5$

All sides have the same lengths.

2. Find the slopes of all lines:

$PQ:\ \dfrac{4-0}{0-(-3)}=\dfrac{4}{3}\\ \\QR:\ \dfrac{1-4}{4-0}=-\dfrac{3}{4}\\ \\RS:\ \dfrac{-3-1}{1-4}=\dfrac{4}{3}\\ \\SP:\ \dfrac{0-(-3)}{-3-1}=-\dfrac{3}{4}$

Since the slopes of PQ and RS are the same, lines PQ and RS are parallel. Since the slopes of QR and SP are the same, lines QR and SP are parallel.

The slopes $\frac{4}{3}$ and $-\frac{3}{4}$ have the product of

$-\dfrac{3}{4}\cdot \dfrac{4}{3}=-1,$

then lines are pairwise perpendicular.

This means PQRS is a square.

4 0

4 years ago

What do you consider to be the advantages of the numerical values? What do you consider to be the advantages of the visual repre

noname [10]

For these models there are methods such as the perturbation method which can be used to find an approximate analytical solution within a certain range. The advantage here over a numerical solution is that you end up with an equation (instead of just a long list of numbers) which you can gain some insight from.

7 0

3 years ago

Simplify (6x2 - 3 + 5x3) - (4x3 - 2x2 - 16

Masteriza [31]

Answer:

x^3 +8x^2 +13

Step-by-step explanation:

(6x^2 - 3 + 5x^3) - (4x^3 - 2x^2 - 16)

Distribute the minus sign

6x^2 - 3 + 5x^3 -4x^3 + 2x^2 + 16

Combine like terms

x^3 +8x^2 +13

8 0

3 years ago

(x^2-2)^2-10(x^2-2)+21=0 find one value of x that is a solution to the equation

Sloan [31]

Answer:

x=3; x=-3; x=√5; x=-√5

Step-by-step explanation:

6 0

3 years ago

Solve these.. 1. −4(n−5)=−62 2. 8−3t=25

White raven [17]

Answer:

1) n= 20.5

2) t= -17/3

Step-by-step explanation:

1) -4n + 20 = -62

-4n = -82

n = 20.5

2) -3t = 17

t = -17/3

6 0

3 years ago

Read 2 more answers

Which calculation and answer show how to convert to a decimal 13/16?!!!! will give brainliest.​

Which calculation and answer show how to convert to a decimal 13/16?!!!! will give brainliest.