Can someone answer #10 please?

Mathematics

1 answer:

n200080 [17]3 years ago

8 0

Not sure of the question...1 missing vs 8 found
or 1 missing vs 9 piece puzzle

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How to make this a simultaneous equation?

andriy [413]

Hello,

I suppose equations are:

x+y=3 (1)
x+2y=9 (2)

(2)-(1)==>y=6
(1)==>x=3-6

x=-3, y=6
Sol={(-3,6)}

7 0

3 years ago

PLEASE HELP!!!!

Semmy [17]

You should put 4 as x, -3 as y and a as slope to make an equation :
$- 3 = a \times 4$
then you can find the slope and the correct equation of the line :

the slope is :
$- 3 = 4a \\ a = \frac{ - 3}{4}$
so the equation of the line will be
$y = \frac{ - 3}{4} x$
D is true
hope this helps

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3 years ago

A number is less than 20 units away from 7 on the number line. What numbers are within these parameters? Choose the inequality t

Alex787 [66]

Answer:

For the pull out menu it was B

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Find an equation of the circle that has center (-4,3) and passes through (6,-4).

kumpel [21]

Answer:

$(x+4)^2+(y-3)^2=149$

Step-by-step explanation:

The equation of a circle is $(x-h)^2+(y-k)^2=r^2$ where $(h,k)$ is the center of the circle and $r$ is the radius of the circle.

Given that $(h,k)\rightarrow(-4,3)$ and it passes $(6,-4)$ , their distance between each other must the radius of the circle, so we can use the distance formula to find the radius: