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s2008m [1.1K]
3 years ago
15

Solve. -5x - 3y = -20

Mathematics
1 answer:
patriot [66]3 years ago
6 0

Answer:

it is a are b but it could be c

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kompoz [17]
I can the answer is b
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3 years ago
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kyle is thinking of a number greater than -6 2/3 and less than -6 1/2. which number could be kyle's number
vazorg [7]
The number is greater than - 6  2/3  and less than - 6 1/2.

We focus on the 2/3 and 1/2

Since it is a negative number we think of a fraction less than 2/3 and greater than 1/2, because of the negatives.

2/3 is around 0.66,  1/2 is = 0.5,  Example is 0.6 = 6/10 = 3/5

A number that fits is -6  3/5.

Check:
- 6  2/3 ≈ -6.66
-6  3/5 = - 6.60
-6  1/2  = -6.50

-6.60 is greater than -6.66, and less than -6.50
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3 years ago
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City x has a population of 3x10 to the fifth power. City y has a population of 6x10 to the sixth power. Which statement correctl
SVEN [57.7K]

Answer:

c

Step-by-step explanation:

because it is 3x10 to the 5th power there woould be 5 zeros

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3 years ago
I need help for my homework!!!
tamaranim1 [39]

Answer:

your right

Step-by-step explanation:

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3 years ago
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A parabolic listening device is shaped such that the depth of the bowl depends on its radius and can be represented by the curve
faltersainse [42]

Answer:

\large \boxed{\text{7.428 in}}

Step-by-step explanation:

\begin{array}{rcl}D & = & 0.145 r^{2}\\8 & = & 0.145 r^{2}\\55.17 & = & r^{2}\\r & = & \sqrt{55.17}\\& = & \textbf{7.428 in}\\\end{array}\\\text{The radius is $\large \boxed{\textbf{7.428 in}}$ when the depth is 8 in.}

The graph shows the profile of your parabolic listening device,

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4 years ago
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