2 years ago

Why does it say that brainly went offline and its currently down

Mathematics

2 answers:

gregori [183]2 years ago

7 0

I’m not sure probably just your internet!

VikaD [51]2 years ago

3 0

Answer:

Yeah May be coz of ur network problem

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Find the 8th term of the geometric sequence 5, -15, 45

FrozenT [24]

Answer:

a₈ = - 10935

Step-by-step explanation:

the nth term of a geometric sequence is

$a_{n}$ = a₁ $(r)^{n-1}$

where a₁ is the first term and r the common ratio

here a₁ = 5 and r = $\frac{a_{2} }{a_{1} }$ = $\frac{-15}{5}$ = - 3 , then

a₈ = 5 × $(-3)^{7}$ = 5 × - 2187 = - 10935

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1 year ago

7x+5/9 (Simplify your answer. Use integers or fractions for any numbers in the expression.)

Black_prince [1.1K]

nothing can be further simplify in this problem

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2 years ago

Fill in the blank with the phrase that makes the proof statement true.

melamori03 [73]

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3 years ago

A chord is 10cm from the centre of a circle of radius 15cm. Find the length of the chord.

almond37 [142]

Answer: 21.44 cm

Step-by-step explanation:

Given

Radius r=15 cm

distance of chord from the center is 10 cm

From the figure, the length of the chord is AC

Applying Pythagoras

$\Rightarrow AO^2=OB^2+AB^2\\\Rightarrow AB^2=15^2-10^2\\\Rightarrow AB^2=225-100=115\\\Rightarrow AB=\sqrt{115}=10.72\ cm$

The length of the chord is $AC=2AB=21.44\ cm$

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3 years ago

Find the equation of the line that is parallel to the line x+3y=-15 that passes through the origin

Monica [59]

You would subtract x from each side. It would then be 3y=-x-15. Then you would divide all of the equation by 3. Your final answer would be y=-3x-5.

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2 years ago