3 years ago

PLEASE PLEASE PLEASEEEEE HELP ME PLEASEEE!!!

Mathematics

1 answer:

mafiozo [28]3 years ago

3 0

Answer:

V = 0.523598776

Step-by-step explanation:

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What expression can be used to find the total discount? Select all that apply. 0.3*42 or 3/10*42 or 0.03*42 or 3 *4.2

ehidna [41]

0.3*42 this gives you a 30% discount

3/10*42 this gives you a 30% discount

0.03*42 this gives you a 3% discount

3 *4.2 This is not a discount

6 0

3 years ago

Simplify the expression. Write the answer using scientific notation. (4 × 108)2 16 × 1016 1.6 × 1016 8 × 1017 1.6 × 1017

sammy [17]

Answer:

$\large\boxed{\bigg(4\times10^8\bigg)^2=1.6\times10^{17}}$

Step-by-step explanation:

$\text{The sicientific notation:}\ a\times10^k,\ \text{where}\ 1\leq a10\\\\=1.6\times10\times10^{16}\qquad\text{use}\ a^n\times a^m=a^{n+m}\\\\=1.6\times10^{17}$

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3 years ago

Which of the following is the conjugate of a complex number with −1 as the real part and 3i as the imaginary part? (6 points) –1

dmitriy555 [2]

Complex numbers have the form a + ib. Given a + ib, the complex conjugatet is a - ib.

Therefore, the complex conjugate of -1 + 3i is -1 - 3i.

8 0

3 years ago

Read 2 more answers

How much will you have in 36 months if you invest $75 a month at 10% annual interest?

marta [7]

Answer:

2970

Step-by-step explanation:

2700+ 270

270 because that is 10% of 2700

2700 because that is 75 x 36

8 0

3 years ago

An airplane can seat up to 175 passengers. The airline has already sold 87 tickets for a flight on the airplane. Which

spayn [35]

The inequality is solved, and then, the graph is given at the end of this question.

------------------

87 tickets have already been sold.
x can still be sold.
In total, the number of tickets sold is 87 + x.
The airplane can seat 175 passengers, thus, the total can be at most 175, that is:

$87 + x \leq 175$

$x \leq 175 - 87$

$x \leq 88$

The solution is given on a graph at the end of this answer.

A similar problem is given at brainly.com/question/24132092

7 0

2 years ago