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Ronch [10]
3 years ago
13

I need help with this

Mathematics
1 answer:
Sav [38]3 years ago
7 0

Answer:

Missing angle = 76 degrees

Informal Argument found below

Step-by-step explanation:

In order to find the missing angle, we would need to add up all of the known angles and subtract them from 180. This is because in every triangle, the angles add up to 180.


Work:

180 = 79 + 25 + x

180 = 104 + x

x = 76


Informal Argument:

The missing angle of the triangle is equal to 76 degrees. This is because all of the angles in a triangle always add up to 180 degrees. When combined with the other two angles, the triangle has a total angle measurement of 180 degrees. Therefore, the missing angle is equal to 76 degrees.


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Since 1972 the US. inflation rate has averaged 4.8 % per year . Use the approximate doubling time formula to estimate the doubli
Artemon [7]

Answer:

14  3/4 years

Step-by-step explanation:

Let's assume compound inflation.  The appropriate formula for that is:

A = P(1 + r)^t.

If we represent current prices by P, then double that would be 2P:

2P = P(1 + 0.048)^t    Find t, the time required for prices to double.

Then:

2   =  1.048^t

Taking the natural log of both sides, we get:

ln 2 = t·ln 1.048, so that:

t = (ln 2) / (ln 1.048)   =   14.78

At 4.8 inflation, with annual compounding, prices will double in approx. 14 3/4 years.

3 0
3 years ago
2/3 of a class are girls what is the ratio of girls to boys in class answer simplest form
77julia77 [94]

Answer:

2:1

Step-by-step explanation:

for every 2 girls there is 1 boy.

8 0
3 years ago
Read 2 more answers
In an obtuse isosceles triangle the angle measurements are, x∘, x∘, and (10x−2)=128∘. Find the measurement of one of the acute a
klemol [59]

Answer:

26°

Step-by-step explanation:

An obtuse triangle is a triangle that has one obtuse angle. Obtuse angle is an angle that is greater than 90 degrees but less than 180 degrees.

An isosceles triangle is a triangle that has two equal sides and angles.  

Therefore, an obtuse isosceles triangle is a triangle with an obtuse angle and two equal sides that have two equal acute angles (angle less than 90° ).

Given:

The three angles of the triangle are given to be x°, x°  and (10x−2) = 128°. The obtuse angle is 128°, the two x° are acute angles. We are not using equation 10x − 2 since the value of the obtuse angle has been given as 128°

The sum of angles in a triangle is 180°

∴  x° + x° + 128° = 180°

2x° = 180° - 128°

2x° = 52°

x° = 52° / 2

x° = 26°

The measurement of one of the acute angles is 26°

7 0
3 years ago
PLS HELP ME ASAP THIS IS DUE IN 20 MINUTES PLSSSSSS
vichka [17]

Answer:

C

Step-by-step explanation:

sailboat A was going 8 ft per second, 40/5=8

sailboat B was going 7 ft per second, 56/8=7

7 0
3 years ago
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Katherine is a personal chef. She charges $115 per four-person meal. Her monthly expenses are $3,150. How many four-person meals
Eddi Din [679]

Answer:

17

Step-by-step explanation:

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8 0
3 years ago
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