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Viefleur [7K]
3 years ago
9

Tyrone is converting 40/50 to a percent. Which method should he use to find the percent?

Mathematics
2 answers:
goblinko [34]3 years ago
7 0

Answer:

C

Step-by-step explanation:

The denominator sets the standard adn now that standard has to be compared to 100%.

Since the relationship between 50% and 100% is 2(double), then we multiply both numerator and denominator by 2 to have the new figures

= 80/100 = 80%

alex41 [277]3 years ago
6 0

Answer: A

Step-by-step explanation:

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3 years ago
Simplify √ 96/8 a.√2/4 b.1/2√3 c.4√3/√2 d. 2√3
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5 0
3 years ago
I'm having a hard time with this question so someone help please
bulgar [2K]

Answer:

  7.7 km

Step-by-step explanation:

This question is asking you to find the third side of a triangle in which two sides and an angle not between them are given. The law of sines provides the necessary relationships.

<h3>Law of Sines</h3>

The Law of Sines tells you that triangle side lengths are proportional to the sine of the opposite angle. For this triangle TPJ, the relation is ...

  t/sin(T) = p/sin(P) = j/sin(J)

We are given T=68°, p=5.2 km, t=7.5 km, and we are asked to find the length of j, the TP distance.

<h3>Setup</h3>

We know the sum of angles in a triangle is 180°, and the sine of an angle is equal to the sine of its supplement. This lets us fill in the Law of Sines equation like this:

  7.5/sin(68°) = 5.2/sin(P) = j/sin(68°+P) . . . . . solve for j

<h3>Solution</h3>

This can be solved in two steps. First, we find angle P, then we use that to find length j.

  sin(P) = 5.2/7.5 × sin(68°) ≈ 0.642847

  P = arcsin(0.642847) ≈ 40.0045°

Now, we can find j:

  j = 7.5 × sin(68° +40.0045°)/sin(68°) ≈ 7.693 . . . km

The distance from the tower to the plane is about 7.7 km.

__

<em>Additional comment</em>

We have used T, P, and J to refer to the vertices at the tower, plane, and jet.

The triangle can also be solved using the Law of Cosines. In that case, the missing side will be the solution to a quadratic equation with irrational coefficients.

3 0
2 years ago
Write algebraic expression<br> 17 less than the product of 3 and m
motikmotik
"17 less than" implies subtraction of the product of 3 and m, so the equation would be, if solving for x:
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4 0
3 years ago
Read 2 more answers
After losing your job, and needing cash fast, you decide to try
ra1l [238]

Given:

The principal = $ 4000

The rate of interest = 22 %

To find the loan amount a) after 1 year and b) after 3 years.

Formula

Loan amount is

A = P(1+\frac{r}{100} )^{t}

where,

A be the loan amount

P be the principal

r be the rate of interest and

t be the time.

Now,

a) Taking, P = 4000, r = 22, t = 1 we get,

A = 4000 (1+\frac{22}{100} )^{1}

or, A = 4880

Again,

b) Taking, P = 4000, r = 22 and t = 4 w eget,

A = 4000(1+\frac{22}{100})^{4}

or, A = 7263.39

Hence,

a) The amount of loan after 1 year is $ 4880

and b) The amount of loan after 4 year is $ 7263.39.

8 0
2 years ago
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