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Dafna11 [192]
3 years ago
12

Factor the polynomial 8x² - 24x – 224 completely. A- 4(x + 4)(x-7) B- (4x + 16X(12x – 14) C- 8(x + 4)(x - 7) ht D- 2(4x + 16)(x

- 7​
Mathematics
1 answer:
alisha [4.7K]3 years ago
8 0

Answer:

The correct answer would be...

c. 8(x + 4)(x - 7)

Hope this helps!

You might be interested in
The sum of two numbers is 12. The difference of the same two numbers is -4. Find the numbers
seraphim [82]

Answer:

4,8

Step-by-step explanation:

let the numbers be x and y

x+y=12

x-y=-4

add

2x=12-4=8

x=8/2=4

4+y=12

y=12-4=8

so numbers are 4 and 8

4 0
3 years ago
Please help with 3 questions and show all work!!!
sergeinik [125]
Question 1:
Since the triangles are congruent, we know that QS = TV
This means that 
3v + 2 = 7v - 6
Subtract both sides by 2
3v = 7v - 8
Subtract 7v from both sides
-4v = -8
Divide both sides by -4
v = 2
Plug this value back into 3v + 2 and you get 8.
QS = 8
Since the triangles are congruent
QS = 8    AND    TV = 8

Question 2:
So we know that AC = AC because that's a shared side.
It's also given that BC = CD.
In order for two triangles to be congruent by SAS, the angle between the two sides must be congruent.
That means angle C must be congruent to angle C from the other triangle.

Question 3:
We know that AC = AC because it's a shared side.
We also know that angle A from one triangle is equal to angle C from the other.
However, for a triangle to be congruent by SAS, the congruent angle must be between two congruent sides. 
In order for us to prove congruence by SAS, AD must be congruent to BC.

Have an awesome day! :)
3 0
2 years ago
What is the positive solution to the equation 0=⅓x²-3
sammy [17]
Add 3, multiply by 3, and take the positive square root.
  3 = (1/3)x²
  9 = x²
  √9 = 3 = x

The positive solution to the equation is x = 3.
7 0
2 years ago
HELP PLEASE!!!
alexira [117]

Answer:

100

Step-by-step explanation:

Step 1:

Multiple 14.1 by 9 = 126.9

Step 2:

Round to the significant figure

Step 3:

Answer is 100

5 0
2 years ago
Read 2 more answers
What is the common difference between the terms in this arithmetic sequence? 8,15,22,29,36..
trapecia [35]

Answer:

7

Step-by-step explanation:

just subtract 7 from largest number down to smaller numbers to notice the pattern. :)

5 0
3 years ago
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