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2 years ago

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Explain why all squares must be rectangles but not all rectangles are squares

1 answer:

Neko [114]2 years ago

5 0

A square is a quadrilateral with all four angles right angles and all four sides of the same length. ... Thus every square is a rectangle because it is a quadrilateral with all four angles right angles. However not every rectangle is a square, to be a square its sides must have the same length.

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What is the equation of the quadratic graph with a focus of (8, −8) and a directrix of y = −6?

yarga [219]

The vertex is exactly half way between directrix and focus. In this case the vertex is (8,-7)
(h,k)

P is the distance between the vertex and either the directrix or focus, in this case p = 1.

a = 1/(4p) or 1/(4*1) or 1/4

write the equation in vertex form

y = a(x-h)^2 + k

y = 1/4(x-8)^2 -7

4 0

3 years ago

Find the distance between the points (-4, -20) and (20, -20)

Gnoma [55]

Answer:

Babes, see the pic for the answer...

3 0

3 years ago

Read 2 more answers

What is the quotient of 12 and the opposite of 3 plus the product of the opposite of 14 and 4

oee [108]

(12/-3)+(-14*4)
(-4)+(-56)
[-60]

-- i dont understand what you mean by "opposite of" so i assumed you meant negative??

6 0

3 years ago

Answer for x -4x-1=3

nordsb [41]

Answer:

4 x 1 = 4 x 3 = 12 = 4 x 3

Step-by-step explanation:

sorry I'm having trouble with this too

7 0

3 years ago

Read 2 more answers

Fareed wants to add 1/4 +5/8 Add the fractions by using the giant one to create a common denominator

saul85 [17]

Hi!

This question is about math.

$\frac{1}{4}+\frac{5}{8}$

<u><em>Least Common Factor 4 or 8: 8</em></u>

<u><em>Factors of 4 : 1, 2, 4 (prime factorization) (2*2)</em></u>

<u><em>Factors of 8: 1, 2, 4, 8 (prime factorization) (2*2*2)</em></u>

<u><em>Least Common Factor of a,b is the smallest positive number that divisible by both a and b.</em></u>

<em>Multiply each factor the greatest number of times it occurs in either 4 or 8.</em>

<em>Then multiply by the numbers.</em>

$2*2*2$

$=8$

<em>Multiply each numerator by the same amount needed to multiply its corresponding denominator to turn it into the Least Common Factor of 8.</em>

<em>For 1/4 multiply the denominator and numerator by the 2.</em>

$\frac{1}{4}=\frac{1*2}{4*2}=\frac{2}{8}$

$\frac{2}{8}+\frac{5}{8}$

<em>Since the denominator are equal, combine the fractions.</em>

$\frac{2+5}{8}$

<em>Add the numbers 2+5=7</em>

$=\frac{7}{8}$

Hope this helps! Thank you for posting your question at here on Brainly. Have a great day.

-Charlie

6 0

3 years ago