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Firlakuza [10]
3 years ago
8

Help please I don’t understand!

Mathematics
1 answer:
noname [10]3 years ago
8 0

Answer:

The second one/B

Step-by-step explanation:

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Hiii! can someone please help me with my maths question
beks73 [17]

Step-by-step explanation:

a^2 + b^2 = c^2

(x+2)^2 + 4x^2 = (3x+4)^2

(x+2)(x+2)+ 4x^2= (3x+4)(3x+4)

x^2 + 2x + 2x + 4 + 4x^2 = 9x^2 + 12x + 12 x + 16

5x^2 + 4x + 4 = 9x^2 + 24x + 16

-4x^2 - 20x - 12 = 0

now we can use the quadratic formula

(-b±√(b²-4ac))/(2a)

I can't type all this so

.....

x = -0.697224362 or -4.302775638

AB can't be negative so it's the first one

so it's equals to 1.302775638

6 0
3 years ago
Each meat loaf use 3/4lb of meat how much for 8 loaves
Yakvenalex [24]
6 pounds of meat

3 / 4 * 8 = 6
3 0
3 years ago
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You are dealt a 5 card hand from a deck of 52 cards
jeyben [28]
I got 2 aces. one heart one spade. a jack of clubs a joker and a partrige in a pear tree.<span />
8 0
3 years ago
Thats the horizontal distance between (-7,-4) (12,-4)
Svetradugi [14.3K]
The answer is 20.6 hope this helps
7 0
3 years ago
How do you solve 8a squared plus 2 = 634
Inga [223]

Answer:

a ≈ 8.9

Step-by-step explanation:

Set up the equation as so:

8a^2 + 2 = 634

First, subtract two from both sides:

8a^2 = 632

Then, divide by 8 to further isolate the variable.

a^2 = 79

To get rid of the squared, you have to take the square root of both sides. The square root of 79 is roughly 8.9. Ergo, a ≈ 8.9

8 0
3 years ago
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