3 years ago

Find the slope of (-1,3) and (2,5)

Mathematics

1 answer:

Mumz [18]3 years ago

7 0

Answer:

slope should be 3

Step-by-step explanation:

i used my calculator

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Ten times an integer is added to seven times it’s square. If the result is 152, what was the original number?

Bess [88]

Answer:

Required number is 4.

Step-by-step explanation:

Let the required number be a.

Given,

Sum of ten times the integer and seven times it’s square is 152.

= > Ten times of a + seven times of it's square = 152

= > 10( a ) + 7( a )^2 = 152

= > 10a + 7a^2 - 152 = 0

= > 7a^2 + 10a - 152 = 0

= > 7a^2 + ( 38 - 28 )a - 152 = 0

= > 7a^2 + 38a - 28a - 152 = 0

= > a( 7a + 38 ) - 4( 7a + 38 ) = 0

= > ( a - 4 )( 7a + 38 ) = 0

= > a = 4 or - 38 / 7

Hence the required number is 4.

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3 years ago

Which one will rotate the regular polygon shown onto itself?

sesenic [268]

lets draw a picture of our hexagon:

then, we can rotate 60 degrees counterclockwise (or clockwise) and get the same hexagon. So, the answer is 60 degrees

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2 years ago

Littlereaper avatar

zhenek [66]

I don’t even know what to say.

7 0

3 years ago

Read 2 more answers

Help please will mark brainliest!!!

solniwko [45]

Answer:

945

Step-by-step explanation:

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3 years ago

How to solve z+2/z-3=5/-3

OLEGan [10]

(z+2)= (z-3)(5/-3)
z+2 = 5z/-3 +5
-3= 2z/-3
9= 2z
9/2 = z

5 0

3 years ago