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vovangra [49]
3 years ago
8

If Leo adds his age to the age he will be next year on this date, the sum is 19 years. How old will Leo be 12 years from today?

Mathematics
2 answers:
Naddika [18.5K]3 years ago
8 0

Answer: 31

Step-by-step explanation: 19+12=31

BigorU [14]3 years ago
5 0

Answer:

21.

Explanation:

9+10=19, meaning Leo is currently 9.

9+12=21

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2. Find the number of distinct triangles with c=11,b=7,B=18 a.0 b.1 c.2 d. cannot be determined
jok3333 [9.3K]
Answer: Choice C) 2

----------------------------------------------

Explanation:

Using the law of sines, we get
sin(B)/b = sin(C)/c
sin(18)/7 = sin(C)/11
0.0441452849107 = sin(C)/11
11*0.0441452849107 = sin(C)
0.4855981340177 = sin(C)
sin(C) = 0.4855981340177
C = arcsin(0.4855981340177) or C = 180-arcsin(0.4855981340177)
C = 29.0516679549861 or C = 150.948332045013
There are two possibilities for angle C because of something like sin(30) = sin(150) = 1/2 = 0.5

Those approximate values of C round to
C = 29.05 and C = 150.95

If C = 29.05, then angle A is
A = 180-B-C
A = 180-18-29.05
A = 132.95
Making this triangle possible since angle A is a positive number

If C = 150.95, then angle A is 
A = 180-B-C
A = 180-18-150.95
A = 11.05
making this triangle possible since angle A is a positive number

There are two distinct triangles that can be formed. 
One triangle is with the angles: A = 132.95, B = 18, C = 29.05
The other triangle is with the angles: A = 11.05, B = 18, C = 150.95
The decimal values are approximate
7 0
3 years ago
45 POINTS AND BRANLIEST!!!
Marysya12 [62]
PART A:

The x-intercept at 0 shows the location where the ball was kicked. The x-intercept at x = 16 shows the location where the ball hit the ground.

The maximum value represents the highest point of the ball.

The interval where the function is increasing is 0<x<8. Between this interval, the height of the ball measured from the ground is increasing.
The interval where the function is decreasing is 0<x<16. Between this interval, the height of the ball is decreasing.

PART B:

Reading from the graph

When x = 8, y = 10 ⇒ let this be x₁ = 8 and y₁ = 10
When x = 13, y = 6 ⇒ let this be x₂ = 13 and y₂ = 6

The rate of change = (y₂-y₁) / (x₂-x₁)
The rate of change = (6 - 10) / (13 - 8)
The rate of change = -4 / 5 = -(4/5)


7 0
3 years ago
Read 2 more answers
How can you add something to 5 (it can't be a negative number) and get 4?
Mice21 [21]
You could add i (imaginary number) I think
4 0
4 years ago
Read 2 more answers
-25g— -8g— -7g— -29=-31
Shkiper50 [21]

Answer:

g=31/69

Step-by-step explanation:

-69g = -31

g = 31/69

5 0
3 years ago
Read 2 more answers
Please answer the question please
Natali5045456 [20]
The answer to ur problem is 1/3.
3 0
3 years ago
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