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BabaBlast [244]
3 years ago
11

Evaluate and simplify the following complex fraction.

Mathematics
1 answer:
Naya [18.7K]3 years ago
3 0

Answer:

-10/7

Step-by-step explanation:

(-5/7)/(2/4) = (-5/7)/(1/2) = (-5/7)*(2/1) = -10/7

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MIDDLE SCHOOL MATH— 20 POINTS
Dmitry [639]

Answer:

132000 tk

Step-by-step explanation:

=> 220000 × 60%

=> 220000 × 60/100

=> 132000

...........................

Forgive me if wrong

7 0
3 years ago
A 500-foot cable is attached to the top of a tower and is stretched tight to a point that is 350 feet away from the base of the
Fantom [35]

The angle of depression the cable forms is the arctan of the ratio of the

horizontal distance to the height of the tower which is approximately 35°.

Response:

B. 35°

<h3>Which method can be used to find the angle of depression?</h3>

Given:

Height of the tower = 500-feet

Horizontal distance from the (other)  point of attachment of the cable to

the base of the tower = 350-feet.

Required:

The angle of depression formed by the cable.

Solution:

The angle of depression is the angle, θ, the cable forms with the tower

from the top of the tower.

By trigonometric ratios, therefore;

tan(\theta) = \mathbf{\dfrac{Horizontal \ distance \ of \ cable \ from \ tower}{Height\ of \ tower}}

Which gives;

tan(\theta) = \dfrac{350}{500} = \dfrac{7}{10}

  • Angle \ of \ depression, \ \theta = \mathbf{ arctan \left(\dfrac{7}{10} \right) }\approx35^{\circ}

The best correct option is; <u>B. 35°</u>

Learn more about trigonometric ratios here:

brainly.com/question/13276558

8 0
2 years ago
The sum of two numbers is 52​, and the difference between the numbers is 2. Find the numbers.
geniusboy [140]
The difference between them is 2, so let the unknown numbers be x and (x+2). 

<span>Their sum is 52, so: </span>
<span>52 = x + (x+2) </span>
<span>52 = x + x + 2 </span>
<span>50 = x + x </span>
<span>50 = 2x </span>
<span>25 = x </span>

<span>So your unknown numbers x and (x+2) are 25 and 27.</span>
4 0
3 years ago
Which one of the exponential functions represents the graph below.
Nuetrik [128]

Answer:

A. f(x)=4*5^x

Step-by-step explanation:

i graphed it using desmos and found that they are identical

4 0
3 years ago
Find the original price of pair of shoes if the sale price is $11 after a 75% discount
Anna [14]
1-.75=.25. $11/0.25 = $44.00
8 0
3 years ago
Read 2 more answers
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