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3 years ago

Ken ran 2.5 kilometers, 5,250 meters and 75,650 centimeters. how many meters did Ken run?

Mathematics

2 answers:

kari74 [83]3 years ago

7 0

You just answered your own question. the answer is 5,250

Lorico [155]3 years ago

6 0

Answer:

8506.5

Step-by-step explanation:

1 km = 1000 meter

2.5 km = 2.5 * 1000 = 2500 meters

5250 m does not require any conversion 5250 meters

1 meter = 100 cm

75650 cm = 75650/100 <u> 756.5 meters</u>

Total 8506.5 meters

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If cos(2/3x+20)°=sin(2x−10)°, find the acute angles of the corresponding right triangle.

adell [148]

Answer:

A = 40°

B = 50°

Step-by-step explanation:

If cos A = sin B, then A + B = 90

So, 2x/3 + 20 + 2x - 10 = 90

2x + 60 + 6x - 30 = 270

8x + 30 = 270

8x = 240

x = 30

2x/3 + 20 = 60/3 + 20 = 20 + 20 = 40

2x - 10 = 2(30) - 10 = 60 - 10 = 50 or 90 - 40 = 50

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3 years ago

In the triangle XYZ the measure of angle YXZ is 50 degrees and the measure of angle XYZ is 75 degrees. What is the measure of an

lbvjy [14]

<h2>Answer: 55 degrees</h2>

Step-by-step explanation:

Every triangle has 3 sides and 3 interior angles whose measures sum to 180 degrees. For example, a triangle with angles $\theta$ , $\alpha$ and $\beta$ :

$\theta+\alpha+\beta=180\º$

Following this rule, we will apply it to the angles XYZ, YXZ and the unknown XZY:

$XYZ+YXZ+XZY=180\º$

$50\º+75\º+XZY=180\º$

$XZY=180\º-50\º-75\º$

Finally:

$XZY=55\º$

8 0

3 years ago

Read 2 more answers

Suppose you are paid an annual salary, plus a bonus of 20% on annual sales over $500,000. Consider the two functions f(x) = x −

melisa1 [442]

Answer:

C. $g\,\circ \, f (x) =g(f(x))$

Step-by-step explanation:

Let be $f(x) = x-500000$ the excedent on annual sales and $g(x) = 0.2\cdot x$ the bonus factor, to determine the bonus amount a composition of $f(x)$ is $g(x)$ must be done. That is: