All categories

2 years ago

Here’s the other one :)

Mathematics

2 answers:

Naddik [55]2 years ago

4 0

I believe the answer is 2(15t).

devlian [24]2 years ago

4 0

Answer:

15 x t hours x 2

Step-by-step explanation:

You might be interested in

Suppose that the mean GPA (grade point average) for a random sample of all seventh graders at your school is 3.25 and the mean G

elena-14-01-66 [18.8K]

Answer:

I don't know how to explain

6 0

1 year ago

Sifa has $156 in the bank. He needs to have at least $400 for spending money on his trip. Write and solve an inequality to find

gregori [183]

Sifa needs to earn $244

Solution
400-156=244

Therefore, He needs to earn $244 more before his trip.

6 0

1 year ago

Evaluate using <br> Definite integrals

swat32

Since $[0,4]=[0,1]\cup(1,4]$ , we can rewrite the integral as

$\displaystyle \int_0^1f(t)\;dt + \int_1^4 f(t)\; dt$

Now there is no ambiguity about the definition of f(t), because in each integral we are integrating a single part of its piecewise definition:

$\displaystyle \int_0^1f(t)\;dt = \int_0^11-3t^2\;dt,\quad \int_1^4 f(t)\; dt = \int_1^4 2t\; dt$

Both integrals are quite immediate: you only need to use the power rule

$\displaystyle \int x^n\;dx=\dfrac{x^{n+1}}{n+1}$

to get

$\displaystyle \int_0^11-3t^2\;dt = \left[t-t^3\right]_0^1,\quad \int_1^4 2t\; dt = \left[t^2\right]_1^4$

Now we only need to evaluate the antiderivatives:

$\left[t-t^3\right]_0^1 = 1-1^3=0,\quad \left[t^2\right]_1^4 = 4^2-1^2=15$

So, the final answer is 15.

4 0

2 years ago

Is 0.15893 rational or irrational?

adell [148]

I think it would be irrational but I might be wrong I’m not a expert well I am but I sorta don’t get it

6 0

2 years ago

Read 2 more answers

A circle has a radius of 11cm find the area of a sector woth central angle that measures 225 degrees

LenKa [72]

Answer:

237.46 cm squared

Step-by-step explanation:

look at the image for explanation

3 0

2 years ago