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ANTONII [103]
3 years ago
14

There are 45 questions on your math exam. You answered 8/10 of them correctly. How many questions did you answer correctly?

Mathematics
2 answers:
schepotkina [342]3 years ago
6 0

Answer:

36 questions answered correctly

Step-by-step explanation:

8/10 = ?/45

8/10 = 36/45

maks197457 [2]3 years ago
5 0

Answer:

36 questions

Step-by-step explanation:

You multiply 8/10 by the total number of questions, 45, to find that you got 36 questions correct.

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Whats 1 3/-4 as an improper fraction
MissTica

Answer:

Step-by-step explanation:

Answer: 7/4

5 0
3 years ago
Read 2 more answers
Pls solve part b) iii thanks
Viktor [21]

The bearing of the tree from Q is 296.565°

<h3>How to determine the height of the tree?</h3>

The figure that illustrates the bearing and the distance is added as an attachment

The given parameters are:

Base of the tree, b = 50 meters

Angle (x) = 32 degrees

Calculate the height (h) of the tree using:

tan(x) = height/base

So, we have:

tan(32°) = h/50

Make h the subject

h= 50 × tan(32°)

Evaluate

h = 31.24

Hence, the height of the tree is 31.24 meters

<h3>How to determine the distance between Q and the base of the tree?</h3>

The distance (d) between Q and the base of the tree

This is calculated using the following Pythagoras theorem

d = √(100² + 50²)

Evaluate

d = 111.80

Hence, the distance between Q and the base of the tree is 111.80 meters

<h3>How to determine the angle of elevation?</h3>

The angle of elevation (x) using the following tangent trigonometric ratio

tan(x) = h/d

This gives

tan(x) = 31.24/111.80

Evaluate the quotient

tan(x) = 0.2794

Take the arc tan of both sides

x = 15.61

<h3>The bearing of the tree from Q </h3>

This is calculated using:

Angle of bearing = 270 + arctan(50/100)

Evaluate the arc tan

Angle of bearing = 270 + 26.565

Evaluate the sum

Angle of bearing = 296.565

Hence, the bearing of the tree from Q is 296.565 degrees

Read more about bearings at:

brainly.com/question/24142612

#SPJ1

4 0
2 years ago
21 is what percent more than 16
Serjik [45]
its 50% percent more, 50% is ur answer
7 0
3 years ago
The ratio of the areas of two similar polygons is 225:36. What is the ratio of their corresponding sides?
Vladimir [108]
The ratio of the areas:
225 : 36 = 15² : 6²
The ratio of their corresponding sides:
15 : 6 = 5 : 2 
3 0
3 years ago
Me ayudan por favor ​
KATRIN_1 [288]

Answer:

Step-by-step explanation:

4 0
3 years ago
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