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3 years ago

9

A ladder leaning against a wall forms a triangle and exterior angles with the wall and the ground. What are the measures of the

exterior angles? Justify your answer.

1 answer:

Andrews [41]3 years ago

3 0

I hope this helps you

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Rotate rectangle ABCD 90ºccw about the origin. What<br> are the image coordinates?

bazaltina [42]

Answer:

Step-by-step explanation:

1. When rotating a point 90 degrees counterclockwise about the origin our point A(x,y) becomes A'(-y,x). In other words, switch x and y and make y negative.

2. The rule for a rotation by 180° about the origin is (x,y)→(−x,−y) .

3. Rotation of a point through 180°, about the origin when a point M (h, k) is rotated about the origin O through 180° in anticlockwise or clockwise direction, it takes the new position M' (-h, -k). ...

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3 years ago

Kayla has 14.5% of her salary placed into an Individual Retirement Account. What fraction is this?

Monica [59]

1. Convert percent into decimal (it will help)
$14.5\% = .145$
2. Convert Decimal to fraction
$\frac{.145}{1000}$

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3 years ago

Lisa's store collects 5% sales tax on every item sold. If she collected $22.00 in sales tax, what was the cost of the items her

myrzilka [38]

I did the math and i got 440

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2 years ago

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Read the directions answer correctly please

Wittaler [7]

Answer:

Here x=10° ,2x=20° ,5x=50°

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3 years ago

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Find the simple interest on 7,200 at 3/4% for 5 years

lakkis [162]

Answer:

$7474.08

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right<u> </u>

<u>Algebra I</u>

Simple Interest Rate Formula: $\displaystyle A = P(1 + r)^t$

A is final amount
P is principle (initial) amount
r is rate
t is time (in years)

Step-by-step explanation:

<u>Step 1: Define</u>

P = 7200

r = 0.75% = 0.0075

t = 5

<u>Step 2: Solve for </u><em><u>A</u></em>

Substitute in variables [Simple Interest Rate Formula]: $\displaystyle A = 7200(1 + 0.0075)^5$
(Parenthesis) Add: $\displaystyle A = 7200(1.0075)^5$
Evaluate exponents: $\displaystyle A = 7200(1.03807)$
Multiply: $\displaystyle A = 7474.08$

7 0

3 years ago