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GalinKa [24]
3 years ago
10

Three angles fits exactly around a point. Two of the angles are equal.The diffrence between the largest and the smallest angle i

s 30.Find the size ofthe three angles
Mathematics
1 answer:
IrinaK [193]3 years ago
3 0

Answer:

The angles are 110, 110 and 140

Step-by-step explanation:

Let the equal angles be x.

So we have angles x, x and another third one

Now, the other third angle is 30 degrees larger than x, this means that the other third angle is 30 + x

Since they are angles at a point, adding the three together will make or give 360.

Thus,

x + x + x + 30 = 360

3x + 30 = 360

3x = 360-30

3x = 330

x = 330/3

x = 110

So the other third angle is 110 + 30 = 140

So the angles are 110, 110 and 140

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The answer is (-2, -6)
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5 0
2 years ago
A line passes through the point (1, 5) and has a slope of -9.​
vladimir1956 [14]

Answer:

y= -9x+14

Step-by-step explanation:

the equation of a straight line is y=mx+c


m is the slope

And we are given a y and x term

So we substitute these into the equation:


5= -9(1) + c


rearragne to find c


14= c


so the full equation is:


y= -9x+14

8 0
2 years ago
A scale drawing of a field is shown below. The drawing uses a scale of 1 in. = 14 ft. What is the area of the actual field?
svp [43]

Answer:

D. 4,704 ft²

Step-by-step explanation:

Giving a scale of 1 in. = 14 ft, to find the actual area of the field represented by the triangular drawing above, convert the length of the base and height to the actual lengths of the field using the scale.

Height of drawing = 8 in.

Actual height = 8*14 = 112 ft

Base of drawing = 6 in.

Actual base = 6*14 = 84 ft

Area of the field = area of ∆

Area = ½*base*height

Area = ½*84*112

Area = 4,704 ft²

3 0
2 years ago
A line segment is drawn from (1, 9) to (4, 9) on a coordinate grid.
ivanzaharov [21]
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2 years ago
A deck of cards contains RED cards numbered 1,2,3 and BLUE cards numbered 1,2,3,4,5,6. Let R be the event of drawing a red card,
Tatiana [17]

Answer:

e. R′

Step-by-step explanation:

Let the Sample Space be a universal set consisting of 3 red  and 6 blue cards. Then the event of  of getting 4 blue cards will be given

R complement = R` = Universal Set minus Red cards will give blue cards.

a. R OR O

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b. B AND O

It cannot be this choice as well because 4 is not odd.

c. R OR E

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e. R′  = It  will give our required result.

f. E′= 4 is even if it is complemented it cannot be obtained and will be left out.

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3 years ago
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