2 years ago

Whats the answer! I am horrible with linear equations

Mathematics

1 answer:

Stella [2.4K]2 years ago

3 0

Has to be B, because it’s the only one that touches the point 2 on the x axis

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The sum of a number and 8 is 15

kodGreya [7K]

You mean, what is this number?

we can rephrase it like this: the sum of a number x and 8 is 15

which is:

x+8=15

we subtract 8 from both sides and we get
x=7

so the answer is 7.

3 0

3 years ago

Read 2 more answers

The equation of a circle whose center is at (1,2) and radius is 5 is (x + 1)² + (y + 2)² = 5 (x - 1)² + (y - 2)² = 25 (x - 1)² -

Oksana_A [137]

$\bf \textit{equation of a circle}\\\\ 
(x- h)^2+(y- k)^2= r^2
\qquad 
center~~(\stackrel{1}{ h},\stackrel{2}{ k})\qquad \qquad 
radius=\stackrel{5}{ r}
\\\\\\\
(x-1)^2+(y-2)^2=5^2\implies (x-1)^2+(y-2)^2=25$