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3 years ago

Please help me with this question

Mathematics

1 answer:

Klio2033 [76]3 years ago

7 0

Answer:

you have infinity in the text. I found infinityFree net free web hosting

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How do u do this because I forgot

neonofarm [45]

I don't know which one you want but here

Exact form: x=9/10

Decimal form

x=0.9

5 0

2 years ago

Write a recursive formula for a n a n , the n th n th term of the sequence 6 , − 12 , 24 , . . .

Anton [14]

Answer:

See below ↓↓

Step-by-step explanation:

a₁ refers to the first term of the sequence.

That is clearly : a₁ = 6

The formula for the nth term is :

aₙ = a₁rⁿ⁻¹
Common ratio (r) = quotient of consecutive terms
r = -12/6 = -2

Therefore, the nth term is :

aₙ = 6(-2)ⁿ⁻¹

4 0

2 years ago

A fireplace arch is to be constructed in the form of a semiellipse. The opening is to have a height of 3 feet at the center and

USPshnik [31]

Answer:

Step-by-step explanation:

Given

Fireplace is in the form of semi-ellipse with height of 3 ft from center

Length of base=8 ft

if the arch is in the form of ellipse then it can be considered as horizontal ellipse with 2 a and 2 b be length of major and minor axis

2 a =8

a=4 ft

If contractor cover the whole base

then total length of string=2a =8 ft

(b)String should be nailed at focus

focus of ellipse is a e

where e=eccentricity

$e=\sqrt{1-(\frac{b}{a})^2}$

$e=\sqrt{1-(\frac{3}{4})^2}=\frac{\sqrt{7}}{4}$

Focus $=ae =\sqrt{7}$

Thus string should be nailed at 2.64 m from center

8 0

3 years ago

Four gallons of paint are used to paint 25 chairs. if each chair used the same amount of paint, how many gallons are used to pai

viktelen [127]

4 ÷ 25 = 0.16, so 0.16 of a gallon is used per chair. The answer lies between 0 and 1.

3 0

2 years ago

Help i need help please

Morgarella [4.7K]

Answer:

B or C

Step-by-step explanation:It ain´t easy

6 0

2 years ago