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Tanzania [10]
3 years ago
5

Please answer the question attached, marking brainliest (serious answers only)

Mathematics
2 answers:
Mandarinka [93]3 years ago
8 0

Step-by-step explanation:

By Exterior Angle Theorem,

81° + b = 117°.

=> b = 117° - 81° = 36°.

Elden [556K]3 years ago
5 0

Answer:

b = 36

Step-by-step explanation:

a+117 = 180 ( being straight angle)

a = 180 - 117

a = 63

Now,

81 + 63 + b = 180 ( being sum of interior of triangle)

144 + b= 180

b = 180 - 144

b 36

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Find midpoint of 10 and 20
snow_tiger [21]

to find midpoint, find the mean.


add the numbers together and divide by the amount of numbers there is:


10 + 20 = 30

30/2 = 15


15 is your answer


hope this helps




6 0
3 years ago
Read 2 more answers
Which equation has no solution?
belka [17]

Answer:

i think the answer is 4

Step-by-step explanation:

coz wen i went through the questions i was able to solve them except option 4 which was giving Fx =9

5 0
3 years ago
A building in a city has a rectangular base. The length of the base measures 75 ft less than twice the width The perimeter of th
Oliga [24]

Answer:

Width: 255 feet

Length: 180

Step-by-step explanation:

Hi there!

Perimeter = 2 × width + 2 × length

Let w be equal to the length of the base

Plug in the given information:

870 = 2 × w + 2 × (w-75)

870 = 2w+2w-150

870 = 4w-150

4w=1020

w=255

Therefore, the width of the base is 255 ft.

To find the length of the base, subtract 75 from 255:

255-75 = 180

I hope this helps!

7 0
3 years ago
How would the volume of a rectangular prism change if each side of the prism has doubled in length?
Artist 52 [7]
V(old)=a*b*c
Volume(new)=2a*2b*2c=8abc=8V(old)
volume will increase by 8 times
6 0
4 years ago
choose the equation in point slope form for the line that is perpendicular to the given line and passing through the given point
alexdok [17]

We want to determine the equation in point slope form for the line that is perpendicular to the given line and passing through the point (5.6) .

The equation and the point is;

y=\frac{2}{3}x+9,(5,6)

We know that for two lines to be perpendicular, the product of their slopes should be -1.

Therefore, the slope of the perpendicular should be;

m=-\frac{1}{(\frac{2}{3})}=-\frac{3}{2}

The second condition is that the line must pass through the point (5,6) , to do thid, we write the equation of the line in point slope form which is;

y-y_1=m(x-x_{1_{}})

Inserting all values, we have,

y-6=.-\frac{3}{2}(x-5)

That is the final answer.

6 0
1 year ago
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