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iragen [17]
3 years ago
7

30 POINTS!! Will give brainliest What is ​ BC ​ ? Enter your answer in the box. units

Mathematics
2 answers:
andreev551 [17]3 years ago
6 0

Answer:

The answer would be - BC is 25

Step-by-step explanation:

  • Sides ab and ac are equal
  • 4 x + 1 = 2x +23
  • then after that you subtract 2 times from every side
  • 2x + 1 = 23
  • Then 1 more time from every side
  • 2x =22
  • Then divide by 2 on each side of the Triangle
  • x =11
  • BC = 3x -8
  • After you do all of this then you would sub. the  value of x
  • So BC = 3*11 -> 33 -8
Gemiola [76]3 years ago
4 0

Answer:

BC=25

Step-by-step explanation:

this is an isosceles  triangle, so sides AB and sides AC are equal

AB = AC

4x+1 = 2x+23

subtract 2x from each side

2x+1 = 23

subtract 1 from each side

2x =22

divide by 2 on each side

x =11

BC = 3x-8

substitute the value of x

BC = 3*11 -8

BC = 33 -8

BC=25


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JulijaS [17]

Answer:

x² - 3x - 10 = (x - 5) (x + 2)

x² - 3x - 18 = (x + 3) (x - 6)

Step-by-step explanation:

<u>x² - 3x - 10</u>

x² + 2x - 5x - 10

x(x + 2) - 5(x + 2)

(x - 5) (x + 2)

<u>x² - 3x - 18</u>

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4 0
2 years ago
I need help with this question
aalyn [17]
The first step is to square root both sides to get the exponent out. that actually is the only step :)
5 0
3 years ago
Can someone plz help me solved this problem I need help plz help me! Will mark you as brainiest!
baherus [9]

Answer: x^2 -3

That's x squared minus three

Step-by-step explanation:

When you divide 2x^3 by 2x the 2's cancel, and x cubed becomes x squared.

In 6x divided by 2x, the X's cancel and 6 ÷2=3

BTW "cancels" means that a number divided by itself equals one, so it "disappears" from the expression

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konstantin123 [22]

Answer:

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so, the function that would satisfy this equation is

10x

3 0
2 years ago
What is the slope of line 2x-3y=19.<br>​
KengaRu [80]

Answer:

\frac{2}{3}

Step-by-step explanation:

Given Equation of line: y=mx+c,

where m = slope of line.

So, we will have to make y the subject to find the slope.

2x-3y=19\\2x-3y-2x=19-2x\\-3y=-2x+19\\y=\frac{-2x+19}{-3} \\y=\frac{2}{3} x-\frac{19}{3}

From here, we can see the slope of the line is \frac{2}{3}.

6 0
1 year ago
Read 2 more answers
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