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elixir [45]
2 years ago
9

B is the midpoint of ac. ab equals 4x-1 and bc equals 5x-5. what is the length of bc?

Mathematics
1 answer:
Aloiza [94]2 years ago
6 0

Answer:

BC= 15

if I am right please mark it as brianliest

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17. x^2 + 2x + 1
valentina_108 [34]

Answer:

E. This polynomial could be factored by using grouping or the perfect squares methods.

Step-by-step explanation:

x^2 + 2x + 1

There is no greatest common factor

This is a perfect square

a^2 + 2ab+ b^2 = ( x+1)^2

We can factor this  by grouping

x^2 + 2x + 1

(x^2 +x) + (x+1)

x( x+1)  + x+1

Factor out x+1

( x+1)  ( x+1)

This is not the difference of squares since there is no subtraction

5 0
3 years ago
The mass of the sun is 21.3525×102921.3525×1029 kg. the mass of mercy is 328.5×1021328.5×1021 kg.how many times larger is the ma
Liono4ka [1.6K]
This is basically a simple problem to understand. The only thing that needs to be done is to divide the mass of the sun by the mass of mercury. It will give the required result.

Number of times the mass of sun is greater than
the mass of mercury =  21.3525×102921.3525×1029/<span>328.5×1021328.5×1021
                                  = </span><span>7.1783629e+15
I hope that this is the answer that you were looking for and it has come to your great help.</span>
8 0
3 years ago
Find the sum of the squared residuals for each potential line of fit, and then determine which potential line is the true line o
Paul [167]

Answer:

.163

Step-by-step explanation:

not sure what so ever that is a hard question

3 0
3 years ago
Find the surface area of the cylinder. Use 3.14 for pi. Do not round the answer.
MrRissso [65]

Answer:

188.4 ft

Step-by-step explanation:

3.14x5^2x2=157 ft

3.14x10=31.4

31.4+157=188.4 ft

3 0
2 years ago
Find the midpoint of the segment with the following endpoints.<br> (8,4) and (2,7)
Fudgin [204]

Answer:

Step-by-step explanation:

Use the midpoint formula: \frac{ChangeInX}{2} ,\frac{ChangeInY}{2}

So, the Change In X is 2-8 = -6

And the Change in Y is 7-4 = 3

Once you divide both of the changes by 2, you get

X: -3

Y:  \frac{3}{2}

So the midpoint is: (-3,\frac{3}{2})

4 0
3 years ago
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