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eimsori [14]
3 years ago
10

What is what plus 7 I really need to know

Mathematics
2 answers:
tigry1 [53]3 years ago
7 0
Shrek Shrek Shrek Shrek Shrek
9966 [12]3 years ago
3 0
Really needed more info to answer but 3+4=7
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Determine all possibilities for the solution set of a system of 2 equations in 2 unknowns. I. No solutions whatsoever. II. One a
Minchanka [31]

Answer:

II. One and only one solution

Step-by-step explanation:

Determine all possibilities for the solution set of a system of 2 equations in 2 unknowns. I. No solutions whatsoever. II. One and only one solution. III. Many solutions.

Let assume the equation is given as;

x + 3y = 11 .... 1

x - y = -1 ....2

Using elimination method

Subtract equation 1 from 2

(x-x) + 3y-y = 11-(-1)

0+2y = 11+1

2y = 12

y = 12/2

y = 6

Substitute y = 6 into equation 2:

x-y = -1

x - 6 = -1

x = -1 + 6

x = 5

Hence the solution (x, y) is (5, 6)

<em>Hence we can say the equation has One and only one solution since we have just a value for x and y</em>

<em />

4 0
3 years ago
An amount of $8,000 is invested at a simple interest rate of 1.5%. What is the total amount after 3 years?
aliina [53]
I=PRT
P=8000
R=0.015
T=3

I=8000*0.015*3=360

total amount=8000+360=$8360
6 0
3 years ago
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As part of a class project, a university student surveyed the students in the cafeteria lunch line to look for a relationship be
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27%

Step-by-step explanation:

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3 years ago
Can you help me write this in standard form <br><img src="https://tex.z-dn.net/?f=y%20%3D%20%20%5Cfrac%7B3%7D%7B2%7D%20x%20-%20%
Karo-lina-s [1.5K]
I think it’s 15x-10y=2
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3 years ago
Make a conjecture about the next item in each sequence <br><br> -2, 1 , -1/2, 1/4, -1/8
Georgia [21]

Answer:

-2,2 -1/3 1/4 -1/9

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3 years ago
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