3 years ago

If PQ = 3, QR = 2x, and PR = 3x, what is QR?

Mathematics

1 answer:

aniked [119]3 years ago

7 0

Answer:

Step-by-step explanation:

It is ALWAYS helpful to sketch the appropriate figure.

That will make clear that 3x = x+4, by the definition of midpoint.

Then you solve the equation and you get x=2, so that PQ = 6.

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2. Diamond has $350 in her bank account. She

lorasvet [3.4K]

Answer:

$173.70 will be the balance

Step-by-step explanation:

350 - (4*18.45) - (2*51.25)

350 - 73.80 - 102.50= 173.70

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3 years ago

ΔABC has coordinates A(8, −4), B(2, 2), and C(0, −6). Write the coordinates of the image after a dilation with a scale factor of

MakcuM [25]

Answer:

formula= (kx,ky)

where k = scale factor

= A((8,-4)

= A= (8×12,-4×12)

A= (96,-48)

B= (2,2)

= (2×12,2×12)

B= (24,24)

C= (0,-6)

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C= (0,-72)

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3 years ago

Angles helpppp plzzzzz and the plz explain with good details

slava [35]

ABF= 28 degrees
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3 years ago

Read 2 more answers

-\frac{9x}{4}=27

IRISSAK [1]

$\bf \cfrac{-9x}{4}=27\implies \stackrel{\textit{cross multiplying}}{-9x=4(27)}\implies x=\cfrac{4(27)}{-9}\implies x=4\cdot \cfrac{27}{-9} \\\\\\ x=4\cdot -3\implies x=-12$

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3 years ago

<img src="https://tex.z-dn.net/?f=8%20%5E%28x%29%2B32%20x%5E%7B2%7D%2B4" id="TexFormula1" title="8 ^(x)+32 x^{2}+4" alt="8 ^(x)+

Grace [21]

Answer:

Step-by-step explanation:

Rearrange the terms and take out a common factor of 4

4(8x^2 + 2x + 1)

I think this is as far down as you want to take it. It gives an imaginary root which you may not be familiar with.

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3 years ago