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astraxan [27]
3 years ago
11

Could the table of (x,y) pairs

Mathematics
2 answers:
Brums [2.3K]3 years ago
7 0

Answer:

Yes.

Step-by-step explanation:

Linear functions mean a straight line.

zloy xaker [14]3 years ago
7 0

Answer:

yes]

Step-by-step explanation:

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Delia wants to buy either a toy airplane or a toy truck for her little brothers birthday . The toy store has 8 toy airplanes and
Usimov [2.4K]
I think it's A) 20 because 8+12 is 20... But I'm not good at math lol :( sorry if this is wrong
6 0
4 years ago
Read 2 more answers
TASAP HELP + 50 POINTS <br> Find the value of x. Show all the work
rusak2 [61]

Answer:

7

Step-by-step explanation:

im pretty sure at least. since x is on a midpoint, it'd half of 14.

6 0
3 years ago
Using the following equation, find the center and radius of the circle. You must show all work and calculations to receive credi
adoni [48]

Answer:

r = 4

The center is:

(2, -4)

Step-by-step explanation:

We have the following equation

x^2 - 4x + y^2 + 8y = -4

The general equation of a circle has the following form

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

Where r is the radius and the point (h, k) is the center of the circle

To transform the given equation in the general equation of a circumference we must use the method of square completions

Step 1

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

<u>Step 2</u>

<u> </u>Add and subtract (\frac{b}{2})^2 For an equation of the form

ax^2 +bx +c

(x^2 - 4x +4)-4 + (y^2 + 8y +16) -16= -4

<u>Step 3  </u> Factor the expressions within the parentheses

(x-2)^2-4 + (y+4)^2 -16= -4

<u>Step 4 Simplify</u>

(x-2)^2 + (y+4)^2= -4+16+4

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

Finally

r = 4

The center is:

(2, -4)

7 0
3 years ago
The​ time, t, required to drive a fixed distance varies inversely as the​ speed, r. It takes 8 hr at a speed of 15 ​km/h to driv
loris [4]

Answer:

Step-by-step explanation:

If two variables are directly proportional, it means that an increase in the value of one variable would cause a corresponding decrease in the other variable. Also, a decrease in the value of one variable would cause a corresponding increase in the other variable.

The​ time, t, required to drive a fixed distance varies inversely as the​ speed, r. By introducing a constant of variation, k(the fixed distance), the expression becomes

t = k/r

It takes 8 hr at a speed of 15 ​km/h to drive a fixed distance. It means that

8 = k/15

k = 8 × 15 = 120

The equation becomes

t = 120/r

Therefore, the time it will take to drive the same distance at a speed of 29 ​km/h is

t = 120/29 hours

Converting to minutes, it becomes

120/29 × 60

= 248. 28 minutes

248 minutes, 28 seconds

7 0
4 years ago
How can i cancle the 7 day free trail
kipiarov [429]

Answer:

lol

in settings probable

Step-by-step explanation:

5 0
3 years ago
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