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notsponge [240]

3 years ago

15

A cellphone rental business borrows $1,500 to expand the business to a neighboring town. The owner has to make equal monthly pay

ments for one year of $150 each. What is the total loan repayment amount?

1 answer:

bezimeni [28]3 years ago

3 0

So he has to pay $150 a month for 1 year.
so $150×12months = $1800

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At a large high school 40 percent of the students walk to school, 32 percent of the students have been late to school at least o

ycow [4]

Answer:

15%

Step-by-step explanation:

37.5% of the 40% of students who walk have been late, so ...

0.375 · 0.40 = 0.1500 = 15%

of the students in the school both walk and have been late.

The probability that the student selected walks and has been late is 15%.

7 0

3 years ago

Hitman42 [59]

By using <em>algebra</em> properties and <em>trigonometric</em> formulas we find that the <em>trigonometric</em> expression $\frac{1}{1 - \sin x} - \frac{1}{1 + \sin x}$ is equivalent to the <em>trigonometric</em> expression $\frac{2\cdot \tan x}{\cos x}$ .

<h3>How to prove a trigonometric equivalence by algebraic and trigonometric procedures</h3>

In this question we have <em>trigonometric</em> expression whose equivalence to another expression has to be proved by using <em>algebra</em> properties and <em>trigonometric</em> formulas, including the <em>fundamental trigonometric</em> formula, that is, cos² x + sin² x = 1. Now we present in detail all steps to prove the equivalence:

$\frac{1}{1 - \sin x} - \frac{1}{1 + \sin x}$ Given.

$\frac{1 + \sin x - 1 + \sin x}{1 - \sin^{2}x}$ Subtraction between fractions with different denominator / (- 1) · a = - a.

$\frac{2\cdot \sin x}{\cos^{2}x}$ Definitions of addition and subtraction / Fundamental trigonometric formula (cos² x + sin² x = 1)

$\frac{2\cdot \tan x}{\cos x}$ Definition of tangent / Result

By using <em>algebra</em> properties and <em>trigonometric</em> formulas we conclude that the <em>trigonometric</em> expression $\frac{1}{1 - \sin x} - \frac{1}{1 + \sin x}$ is equal to the <em>trigonometric</em> expression $\frac{2\cdot \tan x}{\cos x}$ . Hence, the former expression is equivalent to the latter one.

To learn more on trigonometric equations: brainly.com/question/10083069

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2 years ago

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4 years ago

If a cylinder has a surface area of 59 square inches and its radius is 2.1 inches, how tall is the cylinder in inches? Round to

Romashka [77]

Hey ok, let me work this problem out, could u give me the formal?
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3 years ago

Evaluate the expression. 3(√27−16)

Anvisha [2.4K]

Step-by-step explanation:

step 1. 3(sqr(27) - 16) sqr is the square root

step 2. 3(3sqr3 -16)

step 3. 9sqr3 - 48.

8 0

3 years ago