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alexdok [17]
3 years ago
14

HELP PLEASE! i don't understand this well so if someone could please list the answer and an explanation that would be great :)

Mathematics
1 answer:
Sliva [168]3 years ago
6 0

Answer: 44 I believe.

Step-by-step explanation: Please mark Brainiest if I'm right.

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3 years ago
The delivery ramp at the corner cafe id a right triangle. The hypotenuse is 4 meters long. One leg is 3 meters long. What is the
disa [49]

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f. sqrt 7 meters

Step-by-step explanation:

we use Pythagoras' theorem here,

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4 years ago
Read 2 more answers
Please help!!
yarga [219]

Because this is a fourth degree that will be tricky to factor as it is, we will do a u substitution. Let x^2=u. We can now rewrite that polynomial in terms of u: u^2-7u-8=0. Filling into the quadratic formula we have u=\frac{7+/-\sqrt{49-4(1)(-8)}}{2}. Simplifying down u=\frac{7+/-\sqrt{81}}{2} and u=\frac{7+9}{2} or u=\frac{7-9}{2}. That means that u = 8 or u = -1. But don't forget that we let u=x^2, so we have to put x-squared back in for u. That gives us x^2=8 which simplifies down to +/-2\sqrt{2}. That also gives us x^2=-1. When we take the square root of -1, we have to use the fact that -1 = i^2, so we sub that in to get x=+/-i. All in all, your solutions are as follows: 2\sqrt{2},-2\sqrt{2},i,-i which is choice b.

7 0
3 years ago
SERIOUS MATH HELP PLEAZE<br> SHOW WORK OR AN EXPLANATION<br> HELPPPPPPPPPPPP
Natali5045456 [20]

Answer:

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Step-by-step explanation:

x^2 = 6x - 9

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Factor  

what 2 numbers multiply to 9 and add to -6

-3*-3 = 9

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(x-3)(x-3) = 0

Using the zero product property

x-3 =0    x-3=0

x=3 with multiplicity 2

4 0
3 years ago
Geometry please help
alisha [4.7K]

Answer:

x = 4

Step-by-step explanation:

If you have any questions about the way I solved it, don't hesitate to ask me in the comments below

P.s: I used the Law of Sines, but there are many other ways to solve it

5 0
3 years ago
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