Can someone explain how you solve proofs?

Mathematics

1 answer:

kap26 [50]3 years ago

6 0

Answer:

Yeahh

Step-by-step explanation:

Write the statement in one side and give the reasons on other side.

And then proof it by accurate reason

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I need help with this math problem PLZ HELP PICTURE ABOVE

kari74 [83]

Point slope means
y-y1=m(x-x1)
where the slope is m and a point on the graph is (x1,y1)

we are given
slope=-3
therefor
y-y1=-3(x-x1)
eliminate choices A and D
they gave us point (5,-7)
x1=5
y1=-7

y-(-7)=-3(x-5)
y+7=-3(x-5)
C is answer

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3 years ago

PLEASE HELP!! Factor 6x^2-42x-54 Please show work!

skad [1K]

first, rewrite 54 as 6•9

next, rewrite 42 as 6•7

then, that gets you 6x^2 -6•7x- 6•9

lastly, factor out the common term (6)

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3 years ago

What are some prime numbers please list as many as you know :)))

snow_tiger [21]

Answer:

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, etc.

Step-by-step explanation:

Prime numbers are numbers that have only 2 factors: 1 and themselves. By contrast, numbers with more than 2 factors are call composite numbers.

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4 years ago

Jenny borrowed $500 for five years at 4 percent interest, compounded annually. What is the total amount she will have paid when

Sladkaya [172]

The total amount due in the future (F) for the current loan (P) with compound interest (i) is calculated through the equation,
F = P x (1 + i)^n
where n is the number of years. Substitute to the equation, the values given above,
F = ($500) x (1 + 0.04)^5 = $608.326
Thus, Jenny would pay approximately $608.326.

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3 years ago

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If the diameter of the black marble is 3.0cm, and by using the formula for volume, what is a good approximation of its volume?

MariettaO [177]

Answer:

formula to find volume of sphere =4/3*22/7*3^3

=113.1cm

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3 years ago