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ExtremeBDS [4]
3 years ago
15

PLEASE HELPPP!!!

Mathematics
1 answer:
Tatiana [17]3 years ago
7 0

Answer:

ko iu whry frhf weoiy

Step-by-step explanation:

no sé cómo hacer esto lo siento

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The flag of a country contains an isosceles triangle.​ (Recall that an isosceles triangle contains two angles with the same​ mea
weeeeeb [17]

31 degrees, 31 degrees, 118 degrees

Step-by-step explanation:

Step 1 :

Let x be the measure of 2 angles of the given isosceles triangle with same measure

Let y be the measure of  3rd angle

So we have x + x + y = 180

Step 2 :

Given that the measure of  3rd angle of  triangle is 25​° more than three times the measure of either of the other two​ angles

So we have , y = 3 x + 25

Step 3:

Substituting for y in the first equation we have,

x + x + 3 x + 25 = 180

=> 5 x + 25 = 180

=> 5 x = 180-25 = 155

=> x = 155/5 = 31

Hence the 2 angles of the triangle are 31 degrees.

Step 4:

we have y = 3 x + 25

=> y = 3 * 31 + 25 = 118

Hence the 3rd angle of given triangle is 118 degrees

8 0
2 years ago
What is s the mean of this set of data 1,5,8,10,11,4,8,9
Anna [14]
The mean is 7.......
4 0
3 years ago
Read 2 more answers
A circle has a radius of 10 meters and a central angle AOB that measures 140 degrees. What is the area of sector AOB? Use 3.14 f
In-s [12.5K]
(140/360) * π(10)^2 = 122.1m
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6 0
3 years ago
Hey, sisters help me out so i can get this finished by Friday. Answer all please not just one not just two not just three, if yo
Kobotan [32]

Answer:

Step-by-step explanation:

First question 1 = 0.3 = 0.7

Second question 60/5=12 so 12 hours

Third question first find lcm so 6

2 3/6      and  7 2/6

2.5 + 2.5 = 5 so 2 cakes

Fourth question

729/14 um calculator but ok 729/14=52.07 so 52.1

You said you'd report me if i only did 3,2,or 11 but i did 4 so i think im fine

5 0
3 years ago
A rectangular area adjacent to a river is fenced​ in; no fence is needed on the river side. The enclosed area is 1500 square fee
ZanzabumX [31]

Answer:

a) C(x) = 15000/x + 6x +80

b) Domain of C(x)  { R x>0 }

Step-by-step explanation:

We have:  

Enclosed area = 1500 ft²   = x*y      from which     y  =  1500 / x    (a) where x is perpendicular to the river

Cost = cost of sides of fenced area perpendicular to the river  + cost of side parallel to river + cost of 4 post then

Cost = 10*y + 2*3*x + 4*20 and accoding to (a)  y = 1500/x

Then

C(x)  = 10* ( 1500/x ) + 6*x + 80

C(x) = 15000/x + 6x +80

Domain of C(x)  { R x>0 }

5 0
2 years ago
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