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Doss [256]
3 years ago
13

Factor 2y^2+7y-14=0 How do I solve this by factoring ?

Mathematics
1 answer:
Gre4nikov [31]3 years ago
3 0

Answer:

y=−7−(√161/4), −7+(√161)/4

Decimal form- y=1.42214438, -4.92214438

Step-by-step explanation:

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2- 1/2 divided by 1 - 1/4
wlad13 [49]

Answer: 1.25

Step-by-step explanation:

3 0
3 years ago
What is 5 - x = 3(x + 11)​
solong [7]

Answer:

x = -7

Step-by-step explanation:

First, expand right side

5 - x = 3x + 33

Move x to one side and constants to other side

5 - 33 = 3x + x

-28 = 4x

Divide both sides by 4

x= -7

6 0
3 years ago
Read 2 more answers
Can some hell me understand foil <br> for (4x-3)(x+11)
Naddik [55]

Answer:

4x² + 41x - 33

Step-by-step explanation:

  • F in foil stands for 'first'; take the first value in each bracket and multiply them together. So 4x × x = 4x²
  • O in foil stands for 'outside'; take the outermost values from each bracket and multiply them together. So 4x × 11 = 44x
  • I in foil stands for 'inside'; take the innermost values for each bracket and multiply them together. So -3 × x = -3x
  • Finally, L in foil stands for 'last'; take the last value in each bracket and multiply them together. So -3 × 11 = -33
  • Now, we can put this all together and simplify: 4x² + 44x - 3x - 33 → 4x² + 41x - 33.

Hope this helps!

7 0
2 years ago
What is the length of the hypotenuse in the right triangle shown below?<br>​
Eduardwww [97]

Answer:

C.  6√2.

Step-by-step explanation:

Since this is a right angled isosceles triangle bot legs are 6 units long

So h^2 = 6^2 + 6^2 = 72

h = √72 = 6√2.

7 0
3 years ago
Read 2 more answers
The sum of 2 numbers is 25. Their difference is 7. Find the numbers. Let x=1st number and y=2nd number
Alex Ar [27]

Answer:

x= 16 and y = 9

Step-by-step explanation:

1 st equation ; x+y = 25

2 nd equation ; x- y = 7

from 1 st equation

x = 25 - y

now putting value of x in 2 nd equation

x- y = 7

25 - y-y = 7

25 -2y =7

25-7 = 2y

18 = 2y

18/2 = y

y = 9

again

putting value of y in 1 st equation

x = 25-y

x = 25-9

x= 16

7 0
3 years ago
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