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ikadub [295]
3 years ago
15

A store has a pair of pants marked $39.99 with a 40% off tag. What is the sale price of the pants?

Mathematics
1 answer:
Len [333]3 years ago
5 0

Answer:

$23.99

Step-by-step explanation:

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Suppose you put $150 in the bank for 2 years at a 3% simple annual interest rate. How much interest will you have earned at the
STALIN [3.7K]

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$9 in interest for a total of $159

Step-by-step explanation:

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A recipe calls for 4 teaspoons of baking soda and one fluid ounce of the vanilla which measurement is greater
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The fluid ounce of vanilla is bigger.
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Question 5
agasfer [191]

Step-by-step explanation:

Given

g(x) = - 2x² + 3x

g(3) = - 2 * 3² + 3 *3

= -2 * 9 + 9

= -18 + 9

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The measure of an angle is 34 degrees. What is the measure of the supplementary angle.
prohojiy [21]

Answer:

<em>146</em>

Step-by-step explanation:

Supllementary angles add up to 180 degrees.

<em>180-34 = 146</em>

7 0
2 years ago
Susan and Mark are standing at different places on a beach and watching a bird. The angles of elevation they make are 20º and 50
Mandarinka [93]

Answer:

The bird is 2.44km high

Step-by-step explanation:

Hello,

To solve this question, we need to understand how they are and we can only get this with a correct pictorial diagram.

See attached document for better understanding.

From the first diagram, we understand that the bird is between them and also on top of them.

Assuming Susan, Mark and the bird all form a triangle at each other and the bird at the top, we can divide the the triangle into two equal parts.

But before then, we should know that sum of angles in a triangle is equal to 180°

Therefore,

20° + 50° + b° = 180

70° + b = 180

b = 180° - 70°

b = 110°

Dividing angle b into two equal parts = 55° on each side.

See the last attached document for better illustration.

Using SOHCAHTOA, we can find the adjacent of the triangle which corresponds to the height of the bird.

We have opposite = 3.4km and we're looking for adjacent. We can use tangent of the angle to find the adjacent.

Tanθ = opposite / adjacent

Tan 55° = 3.5 / adj

Adjacent = 3.5 / tan55

Adjacent = 3.5 / 1.43

Adjacent = 2.44km

The height of the bird is 2.44km

7 0
3 years ago
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