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statuscvo [17]
3 years ago
12

HELP DUE IN 10 MINS!

Mathematics
2 answers:
lapo4ka [179]3 years ago
7 0
D. I believe bc part of the equation is (y-y one) and y one is -3 and two negatives make a positive. And 11 squared it 121
Andru [333]3 years ago
4 0

Answer:

\text{C. }x^2+(y+3)^2=11

Step-by-step explanation:

The equation of a circle with radius r and center (h, k) is given by:

(x-h)^2+(y-k)^2=r^2.

What we're given:

  • radius of \sqrt{11}
  • center at (0,-3)

Substituting given values, we get:

(x-0)^2+(y-(-3))^2=\sqrt{11}^2,\\\boxed{\text{C. }x^2+(y+3)^2=11}

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One reading at an article research station showed that the temperature was -35 ��
Vikki [24]
Degrees Fahrenheit = (1.8 * -35) +32
Degrees Fahrenheit = -31
Formulas and temperature converter are here:
http://www.1728.org/convtmp2.htm

7 0
3 years ago
The LCD for 3/10, 20/25, and 18/75 is
Marizza181 [45]
The LCD for 3/10,20/25,and 18/75 is 150
3 0
3 years ago
Which equation matches the given points? (0, 7.6), (1, 6.2), (2, 4.8), (3, 3.4), (4,2)
Cerrena [4.2K]

The equation that matches the given points is g(x) = -1.4x + 7.6

The standard form of a linear  equation is expressed as g(x)=mx + b

  • m is the slope of the line
  • b is the y-intercept:

Using the coordinate points (3, 3.4), (4,2)

m=\frac{2-3.4}{4-3}\\m=\frac{-1.4}{1}\\m=-1.4

Substitute m = -1.4 and the coordinate (4, 2) into the formula:

2=4(-1.4)+b\\2=-5.6+b\\b=2+5.6\\b=7.6

Get the required equation:

g(x)=mx+b\\g(x)=-1.4x+7.6

Hence the equation that matches the given points is g(x) = -1.4x + 7.6

Learn more on equation of a line here; brainly.com/question/9351428

4 0
3 years ago
Please help! 50 points
Alja [10]

Answer:

<em>See attached</em>

<u>x- intercepts</u>

  • (-2, 0), (-1, 0), (1, 0)

<u>y- intercept</u>

  • (0, -2)

4 0
3 years ago
Tina is saving to buy a notebook computer. She has two options. The first option is to put $500 away initially and save $10 ever
Alexxandr [17]

Answer:

Tina would save the same amount using either option after 20 months.

With either option, Tina would save $700.

Step-by-step explanation:

This problem can be modeled by a first order equation:

Where Tina's saved money after n months is:

S(n) = S(0) + rn, where S(0) is the money put away initially and r is how much she saves every month.

The first option is to put $500 away initially and save $10 every month, so:

S_{1}(n) = 500 + 10n

The second option is to put $100 away initially and save $30 every month, so:

S_{2}(n) = 100 + 30n

After how many months would Tina save the same amount using either option?

It will happen at the month n in which S_{1}(n) = S_{2}(n), so:

S_{1}(n) = S_{2}(n)

500 + 10n = 100 + 30n

500 - 100 = 30 - 10n

400 = 20n

20n = 400

n = \frac{400}{20}

n = 20.

Tina would save the same amount using either option after 20 months.

How much would she save with either option?

We can choose S_{1}(20) or S_{2}(20), since they are equal

S_{1}(20) = 500 + 10(20) = 500 + 200 = 700

With either option, Tina would save $700.

3 0
3 years ago
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