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Varvara68 [4.7K]
3 years ago
11

in a certain right triangle one acute angle is 75 degrees less than twice the other acute angle. Find the difference between the

two acute angles. the sum of the right triangle is 180
Mathematics
1 answer:
serg [7]3 years ago
8 0
In a right triangle, the measure of one acute angle is 30 less than twice the measure of the other acute angle. Find the measure of each angle.
---
The sum of the 2 acute angles is 90 degrees.
x + y = 90
x = 2y-30
----
Substitute for "x" and solve for "y":
2y-30 +y = 90

3y = 120
y = 40

x = 90-y
x = 90-40
x = 50
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Select ALL the correct answers,
Vaselesa [24]
<h2><u>Answer</u><u> </u><u>:</u></h2>

Option (2) and Option (3) is the correct answer .

<u>Requ</u><u>ired</u><u> </u><u>Ex</u><u>plaination</u><u> </u><u>:</u>

Scenario 2 : The height of a stone shot by a catapult reaches a maximum height and then falls on the ground.

  • The graph of this scenario is a downward parabola. Therefore option 2 is correct.

Scenario 3 : The sale of product increases at first and then decreases.

  • The graph of this scenario is a downward parabola. Therefore option 3 is correct.

<u>Therefore, the correct options are </u><u>2</u><u> </u><u>and</u><u> </u><u>3</u><u>.</u>

8 0
3 years ago
One week, Kerry travels 125 miles and uses 5 gallons of gasoline. The next week, she travels 175 miles and uses 7 gallons of gas
SpyIntel [72]

The question is incomplete, the complete question is here:

One week , Kerry travels 125 miles and uses 5 gallons of gas. next week she travels 175 miles and uses 7 gallons of gas . what best describes the function that can be used to represent m, the number of miles traveled, and g, the number of gallons used

The best function represents the relation between m and g is m = 25 g

Step-by-step explanation:

The given is:

  • One week, Kerry travels 125 miles and uses 5 gallons of gasoline
  • The next week, she travels 175 miles and uses 7 gallons of gasoline
  • m represents the number of miles traveled by g gallons

We need to write a function that can be used to represent m and g

∵ Kerry travels 125 miles and uses 5 gallons of gasoline in

   one week

∴ The rate = 125 ÷ 5 = 25 miles per gallon

∵ She travels 175 miles and uses 7 gallons of gasoline in

   next week

∴ The rate = 175 ÷ 7 = 25 miles per hour

- That means the rate is constant

∴ The relation between the number of miles and the number of

   gallons used is linear

- The linear relation is y = k x, where k is the constant of relation

∵ m is the number of miles

∵ g is the number of gallons

∵ 25 is the constant rate

∴ m = 25 g

The best function represents the relation between m and g is m = 25 g

Learn more:

You can learn more about the linear function in brainly.com/question/9801816

#LearnwithBrainly

7 0
3 years ago
the length of the highway is 600 miles is 2 in represent 75 miles what is the length of the highway on the map
Wittaler [7]
75miles = 2in
600miles= x in
cross multiply
600× 2 = 75 × x
divide both sides by 75
x = 16 in
therefore the length of the highway on the map is 16 in
8 0
4 years ago
PLEASE ANSWER THISSS<br> AAAAAAAAAAAAAAA
Butoxors [25]

Answer:

147

Step-by-step explanation:

E = greatest common factor of 22 and 30 = 2

F = least common multiple of 3 and 8 = 24

G = 3 * (7 + 10) = G + 30 = 81

3 * 7 + 3 * 10 = G + 30

21 + 30 = G + 30

51 = G + 30

G = 81

H = 5 * (3 + H) = 15 + 45 = 40

5 * 3 + 5 * H = 15 + 45

15 + 5 * H = 60

20 * H = 60

H = 60 - 20

H = 40

E = 2 + F = 24 + G = 81 + H = 40

2 + 24 + 81 + 40 = 147

This was fun lol

4 0
3 years ago
A contestant on a game show wins $100 for answering
ikadub [295]

Answer:

21. An= 100 (2)^n-1

22. $51,200

23. n= 15

Step-by-step explanation:

21. 100, 200, 400, 800, 1600...

An= A r ^n-1

22. a10= 100(2)^10-1

a10= 100(2)^9

23. n=14

a14= 100(2)^14-1= 819200

n= 15

a15= 100(2)^15-1= 1638400

8 0
3 years ago
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