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schepotkina [342]
3 years ago
15

Q8: Identify the graph of the equation. What is the angle of rotation for the equation?

Mathematics
1 answer:
Allisa [31]3 years ago
3 0

Answer:

B. hyperbola, 45°

Step-by-step explanation:

This is rotation in quadratic equations

Perform elimination of xy term

Ax² +B xy+Cy²+Dx+Ey+F=0

Rotation of axes of the coordinates through angle θ to satisfy

Cot 2θ =(A-C)/B

But B≠ 0 and A=C=0

Answer will be hyperbola, 45°

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Which is true regarding the graphed function f(x)? The graph is attached and the choices?
aliya0001 [1]

The right answer to the graph of the line with a negative slope is:

<h2>f(5)=-1 </h2>

This is read as:

f(x)=y=-1

Then:

When x is 5, the value of y is -1


5 0
3 years ago
Read 2 more answers
Which is the cheapest per ounce: a 2-L bottle (67.6 oz.) of root beer at $1.49, a six-pack of 20-oz. bottles at $2.49, or a twel
KatRina [158]
Divide 1.49$ by 67.6oz=.020414201
Divide 2.49$ by 120oz=.02075
Divide 2.99$ by 144oz=.0207638889
So the cheapest per ounce is the 2L bottle of rootbeer
8 0
3 years ago
Please hellppppp
Juliette [100K]

Answer:  d) -5, -40, -640

<u>Step-by-step explanation:</u>

A_n=-5\cdot 2^{x-1}\\\\A_1=-5\cdot 2^{1-1}\\\\.\quad=-5\cdot 2^0\\\\.\quad=-5\cdot 1\\\\.\quad=-5\\\\\\\\A_4=-5\cdot 2^{4-1}\\\\.\quad=-5\cdot 2^3\\\\.\quad=-5\cdot 8\\\\.\quad=-40\\\\\\\\A_8=-5\cdot 2^{8-1}\\\\.\quad=-5\cdot 2^7\\\\.\quad=-5\cdot 128\\\\.\quad=-640

5 0
3 years ago
The measure of ∠ABD is (0.18x+54)° and the measure of ∠CBD is (0.07x+39)°. find the value of x.
snow_lady [41]

Answer:

x = 348

Step-by-step explanation:

From the given we can tell it a supplementary angle.

<u>Don't know what supplementary angle is?</u>

<em>Supplementary angle are angles that :</em>

<em>Equal 180 °</em>

<em />

<u><em>Solve:  </em></u>

<em>Since,</em>

<em>∠ABD is (0.18x+54)° </em>

<em>∠CBD is (0.07x+39)°</em>

<em />

<em>Thus,</em>

<em>(0.18x+54) + 0.07x + 39 = 180</em>

<em>Group likes terms:</em>

<em>0.25x + 54 + 39 = 180</em>

<em>0.25 + 93 = 180</em>

<em>Subtract 93 from both sides</em>

<em>0.25x = 87</em>

<em>x = 348</em>

<em />

<em>Check Answer:</em>

<em>0.18(348) + 54 + 0.07(348) + 39 </em>

<em>= 180</em>

<em />

<em />

8 0
2 years ago
What is the product in lowest terms 3/8 * 2/7
evablogger [386]
Cancel out the 2 with 8 in the denominator giveing you 4.
so, 3/4 * 1/7 = (3*1)/(7*4) = 3/28
5 0
3 years ago
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