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BigorU [14]
3 years ago
11

Help me please and give the right answer

Mathematics
2 answers:
Andrei [34K]3 years ago
5 0
The answer is segment BF
Roman55 [17]3 years ago
5 0
Answer is segment BF.
It's B. second choice
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A middle-school art teacher, Ms. Velez, and her students are turning the school’s gymnasium into a student art museum for the da
boyakko [2]

Answer:19 to the 5th power

Step-by-step explanation:

U got to count all the zeros and that will be the number u put on top plus 19

3 0
3 years ago
Solve this equation for x: 2x^2 + 12x - 7 = 0
zhannawk [14.2K]

Answer:

x=0.5355 or x=-6.5355

First step is to: Isolate the constant term by adding 7 to both sides

Step-by-step explanation:

We want to solve this equation: 2x^2 + 12x - 7 = 0

On observation, the trinomial is not factorizable so we use the Completing the square method.

Step 1: Isolate the constant term by adding 7 to both sides

2x^2 + 12x - 7+7 = 0+7\\2x^2 + 12x=7

Step 2: Divide the equation all through by the coefficient of x^2 which is 2.

x^2 + 6x=\frac{7}{2}

Step 3: Divide the coefficient of x by 2, square it and add it to both sides.

Coefficient of x=6

Divided by 2=3

Square of 3=3^2

Therefore, we have:

x^2 + 6x+3^2=\frac{7}{2}+3^2

Step 4: Write the Left Hand side in the form (x+k)^2

(x+3)^2=\frac{7}{2}+3^2\\(x+3)^2=12.5\\

Step 5: Take the square root of both sides and solve for x

x+3=\pm\sqrt{12.5}\\x=-3\pm \sqrt{12.5}\\x=-3+ \sqrt{12.5}, $ or $x= -3- \sqrt{12.5}\\$x=0.5355 or x=-6.5355

6 0
3 years ago
I need help with this.
I am Lyosha [343]

Answer:

9x2 and 9x2

Step-by-step explanation:

3 0
3 years ago
For a school play, the teacher asked the class to set up chairs in 20 rows with 25 chairs in each row. After setting up all the
pantera1 [17]
20 rows * 25 chairs=500 chairs
500-5=495
Answer=495
6 0
3 years ago
Read 2 more answers
Please help me!!!!!!!!!
Aneli [31]
It’s 45, since the bottom corner is 90, the top one is 45 bc if you turn it into a rectangle it has to be 90 also and half of that is 45, 90 plus 45 is 135 and all the angle of a right triangle make 180, so 180 minus 135 is 45
5 0
2 years ago
Read 2 more answers
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