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Maru [420]
3 years ago
14

Question 1. What is the solution to the following system?

Mathematics
1 answer:
djverab [1.8K]3 years ago
4 0

Answer:

Q1 2. Q2 3.

Step-by-step explanation:

to solve a system of equations, you would usually have to use either elimination or substitution. however, in both of these problems, Y is given directly so that's unnecessary

for these, all you have to do is plug in y and then solve for x, where x is then the first number in the ordered pair and y is the second number.

Q1 48/-6 = -8, so the answer is (-6,-8)

Q2 10/2=5, so the answer is (5, -1)

if you need me to explain the algebra steps in full I will, just let me know

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Decide which of the two given prices is the better deal and why. You can buy shampoo in a 6 ounce bottle for $2.49 or in a 14 ou
LenaWriter [7]

The cost per ounce of the first bottle is $0.415 and the second bottle is $0.699.

The first bottle has the better deal because if you were to have 14 ounces of the first type of shampoo, it would only cost $5.81

4 0
4 years ago
How to find mean median mode and rang in math when doing measerment
Katyanochek1 [597]
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7 0
4 years ago
What is the point slope form of a line with slope -5 that contains the point (2,-1)?
Marina CMI [18]
Answer: A

Explanation:

(Y-Y1)=m(X-X1) is the base formula for point slope. The points to plug in (X1, Y1) are in this case (2,1). Plugging in those points gives you the equation of Y+1=m(X-2). Then it asks for the slope. In this equation, m = the slope. So plug in (-5) for the slope and you get Y+1=-5(X-2).

Hope this helps!
4 0
3 years ago
NEED HELP! What is the first step to solve the equation a=2d/t^2 , where a is acceleration, d is the distance, and t is time. If
kondor19780726 [428]

Plug in <em>a</em> = 2 m/s^2 and <em>d</em> = 10 m, and solve for <em>t</em> (in s):

a=\dfrac{2d}{t^2}\iff2\dfrac{\rm m}{\mathrm s^2}=\dfrac{2\cdot10\,\mathrm m}{t^2}

\implies t^2=\dfrac{20\,\rm m}{2\frac{\rm m}{\mathrm s^2}}=10\,\mathrm s^2

\implies t=\sqrt{10}\,\mathrm s

So the answer is C.

8 0
3 years ago
A​ student's cost for last semester at her community college was ​$2000. She spent ​$280 of that on books. What percent of last​
Usimov [2.4K]

Answer:

14%

Step-by-step explanation:

A way I usually do it is with a fraction setup.

280/2000 = ?/100

multiply 280 by 100, and you get 28000. divide this by 2000, and you get 14!

8 0
3 years ago
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