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3 years ago

Yuri purchases a bookcase for her room.

Mathematics

1 answer:

padilas [110]3 years ago

4 0

13 is a quarter so you are gonna multiply 13 by 4 you answer is 52

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Solve for b.

AlekseyPX

Answer:

$b=+-5\sqrt{C}$

Step-by-step explanation:

$C=b^2/25$

$25C=b^2$

$\sqrt{b^2}=+-\sqrt{25C}$

$b=+-5\sqrt{C}$

8 0

3 years ago

Read 2 more answers

The equation of a circle is ( x - 3) 2 + ( y + 2) 2 = 25. The point (8, -2) is on the circle.

Shtirlitz [24]

Answer:

x =8 is the equation of the tangent.

Step-by-step explanation:

Here the equation of the given circle is: $(x-3)^{2} + (y+2)^{2} = 25$

Now, comparing it with the general equation of circle: $(x-h)^{2} + (y -k)^{2} = r^2$

we get the central coordinates (h,k) = (3,-2)

So, the slope of the line joining center and (8, -2) = $\frac{-2 -(-2)}{8-3} = \frac{0}{5} = 0$

Since the slope of line = 0, line is parallel to x axis.

Now, as tangent and the line is perpendicular to each other

⇒Slope of the tangent = -1/ slope of the line = $\frac{-1}{0}$

Now, by point slope formula: the equation of the tangent is

(y-y0) = m (x-x0)

or, $(y +2) = \frac{-1}{0} (x -8)$

or x =8 is the equation of the tangent.

8 0

3 years ago

Place value of digit 3 in number 60425321

a_sh-v [17]

Answer:

HUNDREDS

Step-by-step explanation:

7 0

3 years ago

Line 2x-4y-7=0 meets the x axis at point (k,0). Find the value of k

kolbaska11 [484]

K=4
add seven on both sides
2x-4y=7
add 4y on both sides
2x=7+4y
divide 2 on both sides
x=7+4y/2
plug that into original equation
2(7+4y/2)-4y-7=0
7 and 4y cancel out
2(2)=0
4=0

4 0

3 years ago

Help asap please,i don’t get the question

mario62 [17]

Answer:

see below

Step-by-step explanation:

I do not know what the 'given expression' is, bu the three UN-highlighted expressions in each question 1 and 2 are equivalent

Only the highlighted one is not equiv to the other three

3 0

2 years ago