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Sidana [21]
3 years ago
13

Please need help on this thank you

Mathematics
2 answers:
xenn [34]3 years ago
4 0
I’m pretty sure the answer is A
Alex787 [66]3 years ago
4 0
I agree with the answer of A
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The dimensions of a triangular lot are 142 feet by 67 feet by 141 feet. if the price of such land is​ $3 per square​ foot, how m
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4 years ago
Thanksgiving logic puzzle
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3 years ago
patricia says that it's more appropriate to use the method of factoring than extracting square roots in solving 4x2^-9=0. do you
zavuch27 [327]
1^{o} \\  \\ 4x^{2}-9=0 \\  \\ (2x-3)(2x+3)=0 \\  \\ 2x-3=0 \ \vee \ 2x+3=0 \\  \\ 2x=3 \ \vee \ 2x=-3 \\  \\ x= \frac{3}{2}  \ \vee \ x=- \frac{3}{2}  \\  \\ 2^{o} \\  \\ 4x^{2}-9=0 \\  \\ 4x^{2}=9 \\  \\ x^{2}= \frac{9}{4}  \\  \\ x= \sqrt{ \frac{9}{4} } \ \vee \ -\sqrt{ \frac{9}{4} }  \\  \\ x= \frac{3}{2} \ \vee \ x=- \frac{3}{2}  \\  \\ 3^{o} \\  \\ 4x^{2}-9=0 \\  \\ \Delta=0^{2}-4*4*(-9)=144 \\  \\  \sqrt{\Delta}  =12 \\  \\ x_{1}= \frac{0+12}{8} = \frac{3}{2}

x_{2}= \frac{0-12}{8} =- \frac{3}{2}
8 0
4 years ago
Do u know rulers <3???
Phantasy [73]

Answer:

Uhh...

Step-by-step explanation:

What? Of course I know what a ruler is. One's next to me on my desk right now. Or are you talking about a ruler of a country?

8 0
3 years ago
Solve for x.<br> 3x-12y=27
coldgirl [10]

Answer: x=4y+9

Step-by-step explanation:

All of the variables, 3x, 12y, and 27 can be divided y 3, so we will simplify by dividing the whole equation by 3.

3x/3-12y/3=27/3

Which is equal to....

x-4y=9

Now you can move -4y over to the right side by changing its sign...

x=4y+9

5 0
3 years ago
Read 2 more answers
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