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ivanzaharov [21]
3 years ago
14

A table titled Text messages sent has 25 entries.

Mathematics
1 answer:
Studentka2010 [4]3 years ago
5 0
This is uselful! Thanks: ))
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How do you graph a circle x^2 + y^2=25 and the line is given y=2
Kazeer [188]
\bf \textit{equation of a circle}\\\\ 
(x-{{ h}})^2+(y-{{ k}})^2={{ r}}^2
\qquad 
\begin{array}{lllll}
center\ (&{{ h}},&{{ k}})\qquad 
radius=&{{ r}}
\end{array}\\\\
-------------------------------\\\\
x^2+y^2=25\implies (x-0)^2+(y-0)^2=5^2

so notice above, the circle is centered at h,k or 0,0, the origin, and has a ratio of 5.

and y = 2, is just a horizontal line, check the picture below.

7 0
3 years ago
Write a whole number that rounds 2000 if we round it to the nearest hundred
Brilliant_brown [7]

Answer:

1,995 would round to 2,000

Step-by-step explanation:

1,995 is 5 away from 2,000 so if you were rounding to the nearest hundred 2,000 would be it

6 0
2 years ago
One-half the cube of m subtracted by 4 *
Anettt [7]

Answer:

\frac{m^3}{2}  - 4

Step-by-step explanation:

Required

Determine an expression for the given statement

The expression can be rewritten as:

one-half    *     the cube of m       subtracted by      4

Convert each statement to mathematical expressions:

One half = \frac{1}{2}

The cube of m = m^3

one-half    *     the cube of m = \frac{1}{2} * m^3

At this stage, we have:

\frac{1}{2} * m^3 subtracted by 4

This gives:

\frac{1}{2} * m^3 - 4

\frac{m^3}{2}  - 4

Hence, The corresponding expression is \frac{m^3}{2}  - 4

6 0
3 years ago
Olivia delivers packages. She earns $300 per week plus $6 for each package she delivers. The expression 300 + 6p gives the amoun
Alja [10]

Answer:

$630

Step-by-step explanation:

you multiply 6 by the 55 packages which is 330 and add the 300 equaling to 630 as your total

7 0
3 years ago
A regression analysis between sales (y in $1000) and advertising (x in dollars) resulted in the following equation y = 50,000 +
Vikentia [17]

Answer:

D. increase of $1 in advertising is associated with an increase of $6,000 in sales.

Step-by-step explanation:

Every dollar in advertisting is multiply by 6 in the equation, but every unit in y represent $1000. That means that $1 1n advertisting is multiply by 6 and then by $1000, that is $1 in advertisting = $6000 in sales.

4 0
3 years ago
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