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uranmaximum [27]
3 years ago
10

The largest angle of a triangle is 3 times as big as the smallest angle. The third angle is 15 degrees more than the smallest an

gle. Find the measure of all three angles.
Mathematics
2 answers:
Lena [83]3 years ago
8 0

Answer:

A = 99, B = 33, C = 48

Step-by-step explanation:

A = 3B

B + 15 = C

A+B+C = 180

3B + B + B + 15 = 180

5B = 165

B = 33

Rzqust [24]3 years ago
5 0

Answer:

33°, 48°, 99°

Step-by-step explanation:

let the smallest angle be x then the other 2 angles are 3x and x + 15

The sum of the 3 angles in a triangle = 180°

Sum the 3 angles and equate to 180

x + 3x + x + 15 = 180 , that is

5x + 15 = 180 ( subtract 15 from both sides )

5x = 165 ( divide both sides by 5 )

x = 33

x + 15 = 33 + 15 = 48

3x = 3 × 33 = 99

The 3 angles are 33°, 48°, 99°

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you and 3 friends go to lunch and ordered nachosthat cost 10.30. each person also orders a soda at 1.50. write an equation to sh
kicyunya [14]

Answer:

y = 4(10.30+1.50)

Step-by-step explanation:

Since there are 4 people, you and 3 others, you would multiply everything by 4. Inside the parenthesis, would be the nachos and a drink that everyone got. Since all four people got the same thing, it would be 4x10.30 + 4x1.50, which together would be y = 4(10.30+1.50)

5 0
3 years ago
Question 1 (1 point)
Natalija [7]

Answer: OPTION B.

Step-by-step explanation:

Given the equation 48=-8(\frac{3b}{4}+2) you can find an equivalent equation by simplifying it.

You need to remember the multiplication of signs:

(-)(-)=+\\(+)(+)=+\\(+)(-)=-

Now you can apply the Distributive property:

48=\frac{(-8)(3b)}{4}+(-8)(2)\\\\48=\frac{-24b}{4}-16

Simplifying the equation, you get:

48=-6b-16

You can observe that this equivalent equation matches with the equation provided in option B.

5 0
3 years ago
Which of the following describes the algebraic expression 5(x+2)-3
Pavel [41]

5X+7 is the correct answer
3 0
3 years ago
The cost of a banquet can be calculated using the function
kotykmax [81]

Answer:

3 people attended the banquet

Step-by-step explanation:

The function is given as:

b = 75 + 15n where

b represents the total = 122

n represents the number of people attending = ??

If the total cost of the banquet is 122, how many people attended the banquet?

Hence,

122 = 75 + 15n

122 - 75 = 15n

47 = 15n

Divide both sides by 15

n = 47/15

n = 3.1333333333

Approximately to the nearest whole number = 3

Therefore, 3 people attended the banquet.

3 0
3 years ago
A recipe for cake
iris [78.8K]
You would need half a cup of milk. hope I helped.
3 0
3 years ago
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