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3 years ago

Answers fast please:

Mathematics

2 answers:

Pani-rosa [81]3 years ago

7 0

<span>A.) There is no solution.</span>

____ [38]3 years ago

3 0

Answer:

Option A. There is no solution.

Step-by-step explanation:

we have

$y=3x-4$ ------> equation A

$9x-3y=14$ ------> equation B

substitute equation A in equation B

$9x-3(3x-4)=14$

$9x-9x+12=14$

$12=14$ ------> is not true

therefore

The system has no solution

<u>Explanation</u>

The slope of the line A is equal to $m=3$

Find the slope of the line B

$3y=9x-14$ ------> $y=3x-(14/3)$

The slope of the line B is equal to $m=3$

therefore

Line A and Line B are parallel lines, because the slope is the same

The system has no solution

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Solve for me pls :)

I am Lyosha [343]

Answer:

Step-by-step explanation:

$f(x) = \frac{3}{x + 2} - \sqrt{x - 3} \\$

To find f(19) , substitute the value of x that's 19 into f(x). That is for every x in f (x) replace it with 19

We have

$f(19) = \frac{3}{19 + 2} - \sqrt{19 - 3} \\ = \frac{3}{21} - \sqrt{16} \\ = \frac{1}{7} - 4 = \frac{1 - 28}{7}$

We have the final answer as

$f(19) = - \frac{27}{7} \\$

Hope this helps you

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3 years ago

Natalie practices the piano every day on Monday she practice for 10 minutes if she practice everyday for 10 minutes on which day

Ivahew [28]

Tuesday. The reason is it is when you multiply 9 x10 it will give you 90. So, in order to calculate that you would have to add 9 days on a calendar.

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4 years ago

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Luca is baking chocolate cupcakes for the school bake sale. He made 36 cupcakes yesterday, and he wants to bring 96 cupcakes in

IceJOKER [234]

Answer:

2.5

Step-by-step explanation:

1) 96-36=60

2)60/12=5

3)8*5=40

4)40 tablespoons is equal to 2.5 cups.

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3 years ago

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3 years ago

in the figure p is the incenter of isosceles rst what type of triangle is rpt? Thank you in advance .

snow_lady [41]

Answer:

$\Delta \text{RPT is an isosceles triangle}$

Step-by-step explanation:

As in the triangle RST,

$RS=ST\ \ \ \Rightarrow m\angle SRT=m\angle STR$

Because if in a triangle two angles equal one another, then the sides opposite the equal angles also equal one another.

Incenter is obtained by the Intersection of a triangle's three angle bisectors and it is equidistant from the three sides of the triangle.

So, RP and TP are the angle bisectors of ∠R and ∠T respectively.

$\Rightarrow \dfrac{m\angle SRT}{2}=\dfrac{m\angle STR}{2}$

$\Rightarrow m\angle PRT=m\angle PTR$

$\Rightarrow PR=PT$

$\Rightarrow \Delta \text{RPT is an isosceles triangle}$

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3 years ago

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