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3 years ago

I GIVES BRAINLIEST IF U SOLVE IT

Mathematics

1 answer:

kkurt [141]3 years ago

5 0

Answer:

False

Step-by-step explanation:

The following statement is false so in conclusion it will not be enough for both bird houses

Cleopatra= 12 1/2

Jesse=6-10

20ft will not be enough for both jesse and cleopatra !

Hope this helps

-Tobie The dog <3

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Answer:

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Step-by-step explanation:

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3 years ago

78 divided by 2789 how would I do this in long division form

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3 years ago

Indicate the number divisible by 3 and 5 simultaneously a) 715 b)220 c)255 d)369

koban [17]

Answer:

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Step-by-step explanation:

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3 0

3 years ago

Read 2 more answers

What are the answers to these 2 question 4&5 PLZ HELP

Ahat [919]

The first problem:

y = -2 x² ⇒⇒⇒ x² = -y/2 →(1)33 x² + y² = 27 → (2)
By substitution from (1) at (2) with the value of x²
∴ 33 (-y/2) + y² = 27
∴ y² - 16.5 y - 27 = 0
a = 1 , b = -16.5 , c = -27
∴ $y= \frac{-b \pm \sqrt{b^2-4ac} }{2a} = \frac{16.5 \pm \sqrt{(-16.5)^2-4*1*(-27)} }{2*1}$
∴ y = 18 or y = -3/2
By substitution from at (1) with the value of y
for y = 18 ⇒⇒⇒ x² = -18/2 = -9 (unacceptable)
for y = -3/2 ⇒⇒⇒ x² = -(-3/2)/2 = 3/4
∴ $x= \pm \sqrt{ \frac{3}{4} } = \pm \frac{ \sqrt{3} }{2} 
$
The correct options are 2 , 7
Solution of the system of equations is
$( \frac{ \sqrt{3} }{2} , \frac{-3}{2} )$
and
$( -\frac{\sqrt{3} }{2} , \frac{-3}{2} )$
==================================
The second problem:
The general equation of the hyperbole is
$\frac{x^2}{a^2} - \frac{y^2}{b^2} =1

Transverse axis is horizontal 

The equation if the asymptotes are y = \pm \frac{b}{a}x$
For the given equation:
$\frac{x^2}{225} - \frac{y^2}{36} = 1$
a² = 225 ⇒⇒⇒ a = √225 = 15
b² = 36 ⇒⇒⇒ b = √36 = 6
∴ the slope of the asymptotes = b/a and -b/a

b/a = 6/15 = 2/5

-b/a = -6/15 = -2/5

∴ m = 2/5 and m = -2/5

3 0

3 years ago