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3 years ago

Guys please help me with this question

Mathematics

1 answer:

Kruka [31]3 years ago

4 0

Answer:

if it's gonna equal 12 then a and b equals 6

Step-by-step explanation:

a/b

a=6

b=6

6/6

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Elijah wants to know the cross-sectional area of the circular pipe. He measures the diameter which he finds, to the nearest mill

Tanya [424]

Answer:

The area is 0.002m² to 3 dp

Step-by-step explanation:

This problem bothers on the mensuration of flat shapes(I.e cross sectional area of pipe ) , this time the a circle.

It requires us to look for the area of the shape

Given data

Diameter d = 5cm

Converting to mm = 5/100= 0.05m

Radius of circle r=d/2=0.05/2 =0.025mm

Given the area of the circle

A=πr²

A=3.14*0.025²

A=0.0019m²

To 3 dp we have area as 0.002m²

3 0

3 years ago

Determine if the sequence converges: [ln(n)]^2 /n

Finger [1]

We will use l´Hopital´s rule for calculating limits involving indeterminate form (in this case: ∞ / ∞ ) using the derivative of the numerator and denominator: $\lim_{n \to \infty} \frac{ln^{2}n }{n} = \lim_{n \to \infty} \frac{2ln(n)* \frac{1}{n} }{1} = \lim_{n \to \infty} \frac{2ln(n)}{n}$ This is still form ∞/∞ and we will use the derivative again: $\lim_{n \to \infty} \frac{2ln(n)}{n} = \lim_{n \to \infty} \frac{ \frac{1}{n} }{1} = \lim_{n \to \infty} \frac{1}{n}$ =1/∞ = 0
The sequence converges.

8 0

3 years ago

Please help Picture inserted Multiple choice Will appreciate it if you help!

kiruha [24]

Answer:

Step-by-step explanation:

Linear; can be written in the form y = 5x + 4

4 0

3 years ago

The equation y=8.50x + 33 can be used to estimate the monthly premium y of a $250,000 term life insurance policy for a male smok

lara [203]

Answer:

$101

Step-by-step explanation:

Given

$y = 8.50x + 33$

$x \to$ age above 40

Required

Insurance for 48 years old

First, we solve for x

$x = 48 - 40$

$x = 8$

So, we have:

$y = 8.50x + 33$

$y = 8.50 * 8 + 33$

$y = 68 + 33$

$y = 101$

4 0

3 years ago

Instructions for a craft project say that the length of a piece of red ribbon should be 7inches than the length of a piece of bl

sergeinik [125]

Question:

Instructions for a craft project say that the length of a piece of red ribbon should be 7 inches less than the length of a piece of blue ribbon.

How long is the red ribbon if the length of the blue ribbon is:

10 inches?

27 inches?

x inches?

Answer:

a) Length of red ribbon is 3 inches

b) Length of red ribbon is 20 inches

c) Length of red ribbon is (x - 7) inches

Solution:

Given that,

The length of a piece of red ribbon should be 7 inches than the length of a piece of blue ribbon

Therefore,

Length of red ribbon = length of blue ribbon - 7 ---- eqn 1

We have to find the length of red ribbon if the length of the blue ribbon is:

a) length of blue ribbon = 10 inches

Therefore, from eqn 1,

Length of red ribbon = 10 - 7

Length of red ribbon = 3

Thus length of red ribbon is 3 inches

b) length of blue ribbon = 27 inches

Therefore, from eqn 1,

Length of red ribbon = 27 - 7

Length of red ribbon = 20 inches

c) length of blue ribbon = x inches

Therefore, from eqn 1,

Length of red ribbon = x - 7

Thus length of red ribbon is (x - 7) inches

4 0

3 years ago