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snow_tiger [21]
3 years ago
7

I need help with this question pls :(

Mathematics
1 answer:
Valentin [98]3 years ago
8 0

Answer:

5.429503679 multiply by 10 power 12th

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Find the center and radius of the circle x2+y2=4
Inessa [10]

Answer:

The center is (0,0) and the radius is 2

Step-by-step explanation:

The equation of a circle is

(x-h)^2 + (y-k)^2 = r^2  where (h,k) is the center and r is the radius

x^2+y^2=4

(x-0)^2 + (y-0)^2 = 2^2

The center is (0,0) and the radius is 2

5 0
3 years ago
What is the y-coordinate of the solution of the system of equations? {y=3x−262x−y=19 Enter your answer in the box.
Yuki888 [10]

Answer:

<h2>y = -5</h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}y=3x-26&(1)\\2x-y=19&(2)\end{array}\right\\\\\text{Substitute (1) to (2):}\\\\2x-(3x-26)=19\\2x-3x+26=19\qquad\text{subtract 26 from both sides}\\-x=-7\qquad\text{change the signs}\\x=7\\\\\text{Put the value of x to (1):}\\\\y=3(7)-26=21-26=-5

5 0
3 years ago
PLEASE HELP ASAP!!!!!!
maria [59]
The parabola hits (-2,1) and (0,-1).
As you can see from the pictures, we can immediately cross out options B and D, since both parabola open upwards.
From the pictures, we can see that the answer is C, since only that parabola opens downwards and hits the points (-2,1) and (0,-1).

6 0
3 years ago
Three out of every five cookies on the cookie treat our oatmeal raisin cookies if there are 45 cookies on the tray predict how m
snow_lady [41]

Answer:

45 divided by 3 equal 15

Step-by-step explanation:

45 Divided by 3 equal 15

4 0
3 years ago
Which of the following expressions are equal to -(8/4)?
nignag [31]

Answer:

C. None of the above

Step-by-step explanation:

4 0
3 years ago
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