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3 years ago

What is the distance between the following points?

Mathematics

1 answer:

Elenna [48]3 years ago

6 0

Answer:

Step-by-step explanation:

there are 11 spaces between the points

just count the number of spaces, no calculations needed.

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$400 interest is earned on a principal of $2,000 at a simple interest rate of 5% interest per year. For how many years was the p

bogdanovich [222]

Answer:

4 years

Step-by-step explanation:

Given data

Simple interest= $400

Principal= $2000

Rate= 5%

The simple interest formula is given as

SI=PRT/100

substitute and solve for T

400=2000*5*T/100

cross multiply

400*100= 10000*T

40000=10000T

T= 40000/10000

T= 4 years

Hence the time taken is 4 years

4 0

3 years ago

The Hudson Bay tides vary between 3 feet and 9 feet. The tide is at its lowest point when time (t) is 0 and completes a full cyc

BaLLatris [955]

Answer:

$y(t)= 6-3cos(\dfrac{2\pi}{14}t )$

Step-by-step explanation:

The function that could model this periodic phenomenon will be of the form

$y(t) = y_0+Acos(wt)$

The tide varies between 3ft and 9ft, which means its amplitude $A$ is

$A =\dfrac{(9-3)ft}{2} \\\\\boxed{A = 3ft}$

and its midline $y_0$ is

$y_o=3+3 \\\\\boxed{y_o= 6ft}$ .

Furthermore, since at $t=0$ the tide is at its lowest ( 3 feet ), we know that the trigonometric function we must use is $-cos(\omega t)$ .

The period of the full cycle is 14 hours, which means

$\omega t =2\pi$

$\omega (t+14)= 4\pi$

giving us

$\boxed{\omega = \dfrac{2\pi}{14}.}$

With all of the values of the variables in place, the function modeling the situation now becomes

$\boxed{y(t)= 6-3cos(\dfrac{2\pi}{14}t ).}$

8 0

3 years ago

Find the value of x. Round the length to the nearest tenth.

attashe74 [19]

I donno is there anything else

8 0

3 years ago

Tresa soccer team I feel six water coolers before the game it's a water cooler hold 9 L to the water how many liters of water do

natima [27]

Well, 6 x 9 = 54 which means the answer is 54. Hope this helps :)

6 0

3 years ago

Read 2 more answers

Find f(-1) if f(x) = -2x^2 -x

kykrilka [37]

I hope it was helpful to you

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3 0

3 years ago