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NISA [10]
2 years ago
12

Find the missing angle. ​

Mathematics
1 answer:
slamgirl [31]2 years ago
6 0

The answer to your question is 61.

I might have calculated it wrong, so if so sorry:(

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ABC IS a right angled triangle at B and D is a point on BC. If AD=18cm , BD=9cm and CD = 4 cm, find AC
leva [86]
AB =  \sqrt{ AD^{2} - BD^{2} } =  \sqrt{243} = 9 \sqrt{3} 

AC = \sqrt{ AB^{2} + BC^{2} } =  \sqrt{412} = 2 \sqrt{103}
4 0
3 years ago
Which equation represents a line which is parallel to the line y = -6x – 1?
icang [17]

Answer:

6x+y=-8 because it will be y=-6x-8 having same slope with the line given

4 0
3 years ago
Round 948070 to the nearest hundred? Hurry please
qwelly [4]

Answer:

9.48

Step-by-step explanation:

6 0
3 years ago
I need help with three math (algebra) problems?
Bumek [7]
1.
A. (49-8)*2-16, 41*2-16, 82-16, 66, yep
B. 49-8*-14, 49+112, 161, nope
C. 7^(-16)-16, (1/(7^16))-16, nope
D. 49-16-16, 17, nope

A is answer


2.
2((a+b)²-b)
2((7+1)²-1)
2((8)²-1)
2(64-1)
2(63)
126
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4.
none of the options give the answer
3 0
3 years ago
Explain your answer !! <br> Have a nice day <br><br> Will give braisnlt
liubo4ka [24]

Answer:

x=3

y=-4

Step-by-step explanation:

4x+5y=-8 ----------- (1)

-4x-4y=4 -----------(2)

Adding equation (1) and (2)

4x+5y-4x-4y=-8+4

y=-4

Substitute y=-4 in equation (1) or (2)

4x+5(-4)=-8

4x-20=-8\\4x=-8+20\\4x=12\\x=3

8 0
3 years ago
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