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3 years ago

IHow can i write all the names that apply to 7/8 0 5.45 0.75 -18/6 and square roots of 24 36 and -100

1 answer:

6 0

To classify all of these numbers, you could say all real numbers if not for the square root of -100, as it is 10i, which is an imaginary number. The only classification that applies to all of these these numbers is "All real and imaginary numbers"

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What is the equation of the line through (-5,-1) & (3,-3)?

vivado [14]

Answer:

y = -1/4x - 2.25

Step-by-step explanation:

If you do this algebraically then use formula:

M= (y2 - y1) / (x2 - x1)

In other words, M= (-3 - (-1)) / (3 - (-5))

M= (-2) / (8)

M= -1/4 <-- This is your slope

To find y-intercept:

Substitute M in the slope-intercept equation (y=mx+b) with -1/4, y=-1/4x+b

Next, Substitute y and x with either point (-5, -1) or (3,-3)

-1 = -1/4(-5) + b <-- Solve for B

-1.25 -1 = 1.25 + b -1.25

-2.25 = b

Now just substitute b and m, and there's your answer:

y = -1/4x - 2.25

Hope this helps!

6 0

3 years ago

2/5of a number is 80. What is 3/4of the same number?

lara [203]

Answer:

2/5of a number is 80 5/5 = 1 32/1 = simplified = 32

3/4 of the same number 0.75

8 0

3 years ago

triangle RST is congruent to triangle NPQ, RT=7x-5, NQ= 5x+11, find the length of side RT and side NQ

Nitella [24]

7x + 5 = 5x + 11
2x + 5 = 11
2x = 6
x = 3

7(3) + 5
21 + 5 = 26

5 0

3 years ago

Read 2 more answers

How do you do number 15 and 17? Help please?

vodomira [7]

15)

m = Miguel Indurian titles amount l = Lance Armstrong titles amount

they both won titles to the tour de france, if we add all together, they sum up to 12 for both of them
so.. whatever "m" and "l" are, we could say that m + l = 12

now... Miguel won 2 fewer than Lance, so, whatever "l" is, m = l - 2
thus $\bf \begin{cases}
\boxed{m}=l-2\\\\
m+l=12\\
----------\\
\left( \boxed{l-2} \right)+l=12
\end{cases}$

solve for "l", to see how many Lance won

how many did Miguel win? well, m = l - 2

---------------------------------------------------------------------------------

17)

c = mgs amount in 12oz cup of regular coffee at starbucks
d = mgs amount in 12oz cup of regular decaffeinated coffee at starbucks

we know the regular coffee cup, has 13 times more than the decaf, same 12ouncer

thus whatever "c" and "d" are, we know that c = 13d
both 12ouncers put together, yield 280mgs of caffeine

so, one could say that whatever "c" and "d" are, c + d = 280

thus $\bf \begin{cases}
\boxed{c}=13d\\\\
c+d=280\\
----------\\
\left( \boxed{13d}\right)+d=280
\end{cases}$

solve for "d" to see how much is in the decaffed cup

the regular coffee cup? well c = 13d

8 0

4 years ago

What is the range of the function y=-x² +1?<br> Oys-1<br> Oy2-1<br> Oyst<br> y21

xeze [42]

The range of the function is

$y \leqslant 1$

8 0

2 years ago