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MariettaO [177]
3 years ago
8

PLS HELPS WILL GIVE BRAINLIEST

Mathematics
1 answer:
lora16 [44]3 years ago
8 0
The answer is b the square root of 65
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13x + 15=17x-13 solve for the solution
Archy [21]

Answer: x=7

Step-by-step explanation:

Step 1: Subtract 17x from both sides.

13x+15−17x=17x−13−17x

−4x+15=−13

Step 2: Subtract 15 from both sides.

−4x+15−15=−13−15

−4x=−28

Step 3: Divide both sides by -4.

−4x/−4 =−28/−4

x=7

6 0
3 years ago
PLEASE HELP URGENT! 25 POINTS
Reika [66]

Answer:

56°

Step-by-step explanation:

a straight line is 180° and 124° subtracted from 180° is 56°

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3 years ago
Find the axis of symmetry and what direction the parabola opens.<br> -1/4(y+4)=(x-3)²
MariettaO [177]
First, convert the equation to the standard equation of a parabola.
-1/4(y+4)=(x-3)^2     ---multiply -4 on both sides   
y+4=-4(x-3)^2           ---subtract 4 on both sides
y=-4(x-3)^2-4
From the equation, we know that the parabola was moved by 3 to the right, because of (x-3)^2. So the axis of symmetry is x=3. Now look at the number in front of (x-3)^2. It is -4. Since it is negative, the parabola opens downwards. 

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3 years ago
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Please help me I don’t get this at all thank you
faust18 [17]

Answer:

80 ft

Step-by-step explanation:

Perimeter is adding the lengths of all the sides.

6 0
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Answer:

this is for the first one

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