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lisov135 [29]
3 years ago
14

Which of the following ordered pairs represents the solution to the system given below? (4 points)

Mathematics
2 answers:
vichka [17]3 years ago
7 0

the person with the answer 10,0 put the right answer give them credit

marta [7]3 years ago
6 0

Answer:

(10, 0)

Step-by-step explanation:

(10, 0) satisfies both of the system equations:  2(10) + 0 = 20 and 4(10) - 0 = 40.

(0, 10) does not.

(4, 2) does not.

(10, -10) does not.

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I only need help with number 9 plz
Varvara68 [4.7K]

Answer:

<h2>Letter C</h2>

Step-by-step explanation:

If we look on the number line we see that there is a point on -3, another point on -1, 2, and 7.

These points tell us our answer, but the question states it doesn't have to be in any order.

As we look at answer A we see -3, 1, 2, and -7. That's incorrect since there is no positive 1 nor an -7.

As we look at answer B we see -3, 7, 1, and -2. That's incorrect since there is no positive 1, and not a -2.

As we look at answer D we see -2, 3, 1, and 7. That's incorrect since there is no positive 2, no positive 3, and no negative 1.

C has to be the correct answer since it's the only answer left and has the 4 numbers that are on the number line.

Therefore, the correct answer is C.

Best of Luck to you.

If you have any questions, feel free to comment below.

6 0
3 years ago
Solve for n. -3n - 4 &gt; 26
nasty-shy [4]

Answer:

n < -10

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
An element with mass 730 grams decays by 27.6% per minute. How much of the element is remaining after 12 minutes, to the nearest
Korolek [52]
\bf \qquad \textit{Amount for Exponential Decay}\\\\&#10;A=I(1 - r)^t\qquad &#10;\begin{cases}&#10;A=\textit{accumulated amount}\\&#10;I=\textit{initial amount}\to &730\\&#10;r=rate\to 27.6\%\to \frac{27.6}{100}\to &0.276\\&#10;t=\textit{elapsed time}\to &12\\&#10;\end{cases}&#10;\\\\\\&#10;A=730(1-0.276)^{12}\implies A=730(0.724)^{12}
8 0
3 years ago
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Which Function Has the greatest rate of change?
labwork [276]

Answer:  A. Functions A

Step-by-step explanation:

It is function A because it is rising 5 on the y value and running 2 on the x value

8 0
2 years ago
HELP ME PLEASE I NEED TO FINISH ALGEBRA TODAY ITS URGENT I BEG YOU I DONT HAVE TIME
WARRIOR [948]
#66 Dimensions of matrix: The dimensions of a matrix are
[number of rows (across) x number of columns (up and down)]
There is 1 row and 4 columns, hence the dimensions of [1 x 4]

#71: use factor/label conversion method.
480 minutes    1 hour            480 hours        8 hours
                     * --------------  = --------------  = 
                       60 minutes      60 minutes

#72: common difference is how you get from one number to the next in the sequence. So from 42 to 38, you subtract 4, and the pattern is subtract 4 for the whole sequence. So the common difference <em></em>is -4

#38: The midpoint is the middle of the two coordinates, so imagine when used to find mean by drawing a number line like 1 to 10 and the mean would be 5. What did you do? You added 1 and 10 and divided by 2.
You can use the same method for finding midpoints on the coordinate plane.
The formula for midpoint is <span><span>(<span><span>x1+x</span>2</span>)</span>,<span>(<span><span>y1+y</span>2</span>). So it's (5 + 2) , (8 + 7) which equals (7, 15).

#35: This is the same 3* x^(9*1/5) = 3*x^9/5
Remember square root of a number is the same as that number to the 1/2, and the same with all other roots. The fifth root of x is the same as x to the power of 1/5

#36: This is the same as 36*( x^5*3/2 * y^3*3/2), since you can put the power to each of the numbers almost like the distributive property.
= 36 * (x^15/2 * y^9/2)

Well #20 is <em>extremely</em><em> </em>easy. The solutions are anything that is shaded in the blue

The rightmost question is the same thing as #20. Anything not shaded is not a solution.

</span></span>
#64: Just like you learned in elementary school, the median is the middle number. The middle number is 10<span>

</span>
4 0
3 years ago
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