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2 years ago

15

What is the factor of the trinomial

ign="absmiddle" class="latex-formula">-2x-15?

1 answer:

lara [203]2 years ago

7 0

Refer to the attached for step by step explaination.

Have a nice day...

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The altitude to the hypotenuse of a right triangle divides the hypotenuse into segments 3cm and 27cm long. Find the length of th

marissa [1.9K]

To find the length of the altitude, we have to use the ratios of the similar sides.
Let the length of altitude=x
Ratio of sides:
$\frac{x}{3} = \frac{27}{x} \\
Cross \ multiply \\
 x^{2} =81 \\
Take \ square \ root.\\
 \sqrt{x^2}= \sqrt{81} \\
x=9 \\$
So length of altitude is 9 cm.

Answer: 9 cm

3 0

2 years ago

My attempts at solving this integral keep failing... I'd really appreciate some help :)

inysia [295]

$\bf \displaystyle \int \cfrac{csc^2(x)}{1+cot(x)}\cdot dx\\\\
-----------------------------\\\\
u=1+cot(x)\implies \cfrac{du}{dx}=-csc^2(x)\implies \cfrac{du}{-csc^2(x)}=dx\\\\
-----------------------------\\\\
\displaystyle \int\cfrac{csc^2(x)}{u}\cdot \cfrac{du}{-csc^2(x)}\implies -\int \cfrac{1}{u}\cdot du
\\\\\\
-ln|u|+C\implies -ln|1+cot(x)|+C$

5 0

3 years ago

7a+3b=27 <br> 6a+3b=24<br><br> Solve in simultaneous<br><br> A=<br> B=

givi [52]

Answer:

A= 3,B = 2

Hope it helps you

if yes mark me brainliest

3 0

2 years ago

Read 2 more answers

When sizes of pizzas are quoted in inches, the number quoted is the diameter of the pizza. A restaurant advertises an 8-{\rm inc

ArbitrLikvidat [17]

A 16" pizza feeds up to 12 people hope this helps

6 0

2 years ago

The first term of an AP is 2 and the

yanalaym [24]

Answer:

Sn = n/2[2a + (n-1)d]

n=11

a=2

d=3

Sn= 11/2[2(2) + (11-1)3]

Sn= 11/2(34)

Sn = 11x17

=187.

7 0

2 years ago