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nlexa [21]
3 years ago
10

HELP if I don’t pass this class I won’t graduate

Mathematics
1 answer:
lara [203]3 years ago
4 0

Answer:

Step-by-step explanation:

In ΔABC,

∠ABC + ∠BAC + ∠BCA = 180  {ANGLE SUM PROPERTY OF TRIANGLE}

41 +  102 + ∠BCA = 180

143 + ∠BCA = 180

∠BCA = 180 - 143

∠BCA = 37

∠CAE = ∠BCA     {Alternate interior angles are equal}

x = 37°

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Can somebody please help me out:))
jeyben [28]

Answer:

50ft

Step-by-step explanation:

Hi,

Considering that one side is equal to 38 degrees, we know this isn't a 30 - 60 - 90 triangle.

One of the legs is equal to 40 feet

So, tan(b) = 40/x

tan(38 degrees) is 0.78 round up to 0.8 (if that's what your teacher wants)

0.8 = 40/x

0.8x = 40

x = 50ft

I hope this helps

8 0
3 years ago
What is 3/16= c-7/8 please answer
Bingel [31]

Answer:

c=17/16

Step-by-step explanation:

3/16=c-7/8

find the common denominator

3/16=c-14/16

add 14/16 on both sides to cancel

c=17/16

7 0
3 years ago
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Math pls help it says there is a cone but there isn't.​
Snezhnost [94]

Answer:

SA = π3^2 + π3(7.5)

Step-by-step explanation: r is radius and L

is r*l/2

so 3*5/2=15/2=7.5

seriously look at a problem more carefully and memorise your formulas!

7 0
2 years ago
Read 2 more answers
The speed limit on a road in Canada is 70 kilometers per hour. What is this speed in miles per hour? Round your answer to the ne
Marina CMI [18]

Answer:

43 miles/hr

Step-by-step explanation:

Use a conversion factor from km to miles while keeping track of your units:

70 km/hr x 0.62 miles/km = 43 miles/hr

4 0
3 years ago
Identify complementary angles in the given figure.
Vanyuwa [196]

Answer:

<6 and <4

Step-by-step explanation:

Complemetary angles are angles that their measure add up to 90 degrees

the angles meet this requirment in this image are angle <6 and angle <4

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