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WITCHER [35]
3 years ago
10

QUICK!GIVING OUT BRAINLIEST

Mathematics
1 answer:
monitta3 years ago
3 0
X^2+17x+3
explanation:

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What is the value of x if 25 = 5 x + 35 ?
Elena-2011 [213]
X=-2 because you need to subtract 35 from both sides which you get -10 then that divided by 5 will be -2
3 0
2 years ago
Read 2 more answers
Please help me with this question
morpeh [17]

Answer:

19 and 26

Step-by-step explanation:

The other 2 cant work because that would make the total Degrees inside the triangle more than 180 (this is impossible)

7 0
2 years ago
Read 2 more answers
Write the equation of the circle whose center is (-4,8) and has a diameter of 18
svetoff [14.1K]

Answer:

(x + 4)^2 + (y - 8)^2 = 81

or

(x + 4)^2 + (y - 8)^2 = 9^2 depending on how your teacher wants it written.

Step-by-step explanation:

The standard form for a circle is

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

r is the radius.

You are given the diameter

r = d/2

r = 18/2

r = 9

So you already have the right hand side of the equation

(x + h)^2 + (y + k)^2 = 9*2

(x + h)^2 + (y + k)^2 = 81

You basically have h and k as well. They come from the center point.

h = 4

k = - 8

So the equation of the circle (and the answer) is

(x + 4)^2 + (y - 8)^2 = 81

One question remains. Why do the x and y values change signs? If you know what the distance formula is, then what you are finding is the distance r of all points on the circle from the center of the circle.

It is the distance formula that is actually the formula for the circle.

6 0
2 years ago
-1y + 11= 20 what is the answer 3 or -3
yan [13]

Answer:

-9

Step-by-step explanation:

-1y+11=20

    -11= -11

-1y=20-11

-1y=9

-9

8 0
2 years ago
Read 2 more answers
The formula f= 1.8 + 32 is used to convert temputure from degrees celsius ºC to degrees
Svetach [21]

Answer:

The Formula F=1.8C+32 gives the temperature in degrees Celsius (C). There is one temperature for which a number of degrees Fahrenheit is equal to the number of degrees Celsius.

Step-by-step explanation:

20ºC = 68ºF i think this is equation.;-;

3 0
2 years ago
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