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3 years ago

Why is multiplying with 6 like multiplying with 3

Mathematics

2 answers:

Burka [1]3 years ago

6 0

Its because 3 and 6 have the same factors

Aliun [14]3 years ago

6 0

Because three and six have the same factors

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What is the length of side BC of the triangle?

cluponka [151]

The length of BC is 72 I hope this will help uh

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2 years ago

♦HURRY PLEASE!!! ♦ ↓ Don't worry about the answer choice that is highlighted : )

notka56 [123]

Answer:

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2 years ago

Which table of values is correct for the equation y = 5(2)x

Tems11 [23]

Answer:

Option D is correct.

x y

0 5

1 10

2 20

Step-by-step explanation:

Given the equation: $y = 5(2)^x$ .....[1]

Here, x is the input variable and y is the output variable.

For x =0

Substitute in equation [1]; we have;

$y = 5(2)^{0} = 5 \cdot 1= 5$

For x = 1

Substitute in equation [1]; we have;

$y = 5(2)^{1} = 5 \cdot 2= 10$

For x =2

Substitute in equation [1]; we have;

$y = 5(2)^{2} = 5 \cdot 4= 20$

Therefore, the table values which is correct for the equation $y = 5(2)^x$ is;

x y

0 5

1 10

2 20

5 0

2 years ago

If speed varies inversely as the time it takes to drive and Kris takes 5 hours driving at 55 mph, what speed will Martin need to

Fudgin [204]

Answer:

55mph . None of the options are correct

Step-by-step explanation:

If the speed varies inversely as the time it takes to drive, then v ∝ 1/t. where;

v is the speed

t is the time taken

Hence;

v = k/t with k being the constant of proportionality.

Since it takes Kris 5 hours when driving at 55 mph, we will substitute v = 55mph and t = 5 hours. into the equation above to get the value of k as shown:

55 = k/5

Cross multiply

k = 55*5

k = 275

Hence, to calculate the speed it will Martin to drive for 5 hours, we will substitute k = 275 and t = 5 into the original equation v = k/t as shownl

v = 275/5

v = 55 mph

Hence, we can conclude that Martin will also need to drive at a speed of 55mph if he wants to take 5hours.

3 0

3 years ago

The motion of a weight that hangs from a spring is represented by the equation h=8sin(2pi/3t). It models the weight’s height abo

8090 [49]

Answer:

at t = 5.4485 units (maybe seconds, but it is not given)

Step-by-step explanation:

In the equation, h is the height above/below the rest position and t is the time.

Since we want to know WHEN (t) will it be 3 INCHES ABOVE (h = +3), we can simply plug in 3 into h and solve for t. Shown below:

$h=8Sin(\frac{2\pi}{3t})\\3=8Sin(\frac{2\pi}{3t})\\\frac{3}{8}=Sin(\frac{2\pi}{3t})\\\frac{2\pi}{3t}=Sin^{-1}(\frac{3}{8})\\\frac{2\pi}{3t}=0.3844\\2\pi=1.1532t\\t=\frac{2\pi}{1.1532}\\t=5.4485$

Hence,

At t = 5.4485 seconds (no unit of time is given, i am assuming seconds), the height of the weight will be 3 inches above the rest position.

6 0

2 years ago

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