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balu736 [363]
3 years ago
6

Why are buttons required​

Advanced Placement (AP)
1 answer:
Westkost [7]3 years ago
8 0

Answer:

It depends on the field of study.

Explanation:

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.A container ship is overtaking an oil tanker on the way out of Harwich Harbor, and the first mate notices that if he starts wal
jenyasd209 [6]

Answer:

The time of oil tanker will be 80 sec.

Explanation:

Given that,

He walks at 3 km/hour.

If the container ship is 100 m long, and travelling at 12 km/hour.

The distance will be 200 m.

We need to calculate the relative velocity

Using formula of relative velocity

v_{21}=v_{2}-v_{1}

Put the value into the formula

v_{21}=12-3

v_{21}=9\ km/h

The distance is 200 m.

We need to calculate the time

Using formula of time

v=\dfrac{d}{t}

t=\dfrac{d}{v}

Put the value into the formula

t=\dfrac{200}{9\times\dfrac{5}{18}}

t=80 sec

Hence, The time of oil tanker will be 80 sec.

5 0
3 years ago
What is the element<br> that has 6 protons 7 neutrons and 7 electrons
navik [9.2K]

Answer:

Carbon atoms

Explanation:

Mass no. of an element= no. of protons + no. of neutrons = 6 + 7 = 13

Atomic no. = no. of protons/electrons = 6

There is an unbalanced situation between the neutron no and proton no. so this has to be an isotope of Carbon-12, and this element is Carbon-13.

4 0
4 years ago
Read 2 more answers
CALCULUS HELP PLEASE! SERIOUS ANSWERS ONLY!
ella [17]

Answer: D [-1,1]

g^{-1} is the inverse of function g(x).

the inverse equation of g(x) = sin(x):

sin(y) = x

y = sin^{-1}(x)

using a trig circle with radius 1, we can find out that the max values of sin(x) are 1 and -1, so the domain of the inverse of sin(x) must be [-1,1]

**Note: if allowed during AP test, test from school. or assignment, you can use your graphing calculator to graph sin^{-1}(x)

5 0
4 years ago
The title of Jack’s speech is: No Vouchers In Higher Education. Which of the following would be the best thesis statement for hi
Svetradugi [14.3K]

Answer:

C

Explanation:

"Vouchers in higher education do not improve our public schools and colleges, because experiments show us that education vouchers divert much-needed public funds for the few and have weakened the entire system."

3 0
3 years ago
An experiment compared the adhesion of 2 types of paint, A and B, to 3 types of metal, 1, 2, and 3, used in automobiles. Thirty
rodikova [14]

Answer:

<em></em>

  • <em>There are 30 experimental units in the experiment, which are the 30: the thirty sheets of metal.</em>

Explanation:

This table shows you how the <em>experimental</em> units, <em>sheets of metal</em>, were treated:

               Metal 1         Metal 2       Metal 3       Total

Paint A         5                     5               5                15

Paint B         5                     5               5                15

Total            10                   10              10               30

Fifteen sheets (units) were treated with <em>paint A</em>: 5 of metal 1, 5 of metal 2, and 5 of metal 3.

Fifteen sheets (units) were treated with <em>paint B</em>: 5 of metal 1, 5 of metal 2, and 5 of metal 3.

5 0
3 years ago
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