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sp2606 [1]
3 years ago
14

N a​ triangle, the measure of the first angle is twicetwice the measure of the second angle. the measure of the third angle is 6

8 degrees68° more than the measure of the second angle. use the fact that the sum of the measures of the three angles of a triangle is 180degrees° to find the measure of each angle.
Mathematics
1 answer:
11111nata11111 [884]3 years ago
6 0
2x+x+x+68=180                          
4x=112                                        
x=28

Angle 1: 56 degrees
Angle 2: 28 degrees
Angle 3: 96 degrees 

I hope that helps.

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AlexFokin [52]

WOW JIMMY. THATS A BIG . BIG. BIG. NUT SACK

7 0
3 years ago
There are 180 dogs. If 35% of them are huskies, how many huskies are there? *<br> Your answer
raketka [301]

Answer:

The answer is: 63

Step-by-step explanation:

Divide 180 by 35% to find how many are huskies

and its 63.

Check on calculator to make sure: 180 ÷ 35% = 63

3 0
3 years ago
What is 0.7, 0.755, 5/8 from least to greatest?
Margarita [4]
I like to start by turning all my numbers into the same form.  You can go either way but I am going to turn the decimals into fractions.  so 0.7 is the same as 7/10.

0.755 is like 755/1000 which can be reduced to 151/200  (if you don't understand the convertions let me know i will explaine more.)

Next give all the fractions a common denominator. both 8 and 10 go into 200 so we can use that.  151/200 already has a denominator of 200 so that one is set.
for 7/10  well, 10 time 20 is 200 so multiply both the numerator and the denominator by 20 so you get 140/200
the last one is 5/8  8 times 25 is 200 so multiply both numbers by 25 to get 125/200  

the fractionos we have are 125/200  151/200 and 140/200.  Now because they all have the same denominator the one with the lowest numerator is the least number and the one with the highest number is the greatest number.

125/200  140/200  151/200  now just replace the original number with the order they are placed in.
125/200 was 5/8
140/200 was 0.7 
151/200 was 0.755
so the final answer is 
5/8, 0.7, 0.755
6 0
3 years ago
A bridge constructed over a bayou has a supporting arch in the shape of an inverted parabola. Find the equation of the parabolic
babymother [125]

Answer: f(x) = -0.016x² + 1.6x

Step-by-step explanation:

If the lenght of the road over the arch is 100m, we can consider a coordinate plane and say that the road starts at point (0,0) and finishes at (100,0). The vertice of the parabola is at point (50,40), because the maximum height is 40 and it is always in the middle point of the roots.

So, we have

(0,0) (50,40) (100,0)

A quadratic function is always on the form: f(x) = ax² + bx + c

0 = a0² + b0 + c

40 = a50² + b50 + c

0 = a100² + b100 + c

0 = a0² + b0 + c → c = 0 ∴

40 = a50² + b50

0 = a100² + b100

_________________________

2500a + 50b = 40 (*2)

10000a + 100b = 0

_________________________

5000a + 100b = 80

10000a + 100b = 0 (-)

__________________________

-5000a = 80

-a=80/5000

a=-0.016

∴

2500a + 50b = 40

2500.(-0.016) + 50b = 40

-40 + 50b = 40

50b = 80

b = 80/50

b = 1.6

This way f(x) = -0.016x² + 1.6x

6 0
3 years ago
140 + (-122) + (-10), I also need it with work.
Aleks04 [339]

Answer:

8

Step-by-step explanation:

140-122=18

18-10=8

6 0
3 years ago
Read 2 more answers
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