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Airida [17]
3 years ago
10

2x+2y= 10 y=-x+2 Are they parallel, perpendicular, or neither ?

Mathematics
1 answer:
horsena [70]3 years ago
5 0
I hope this helps you

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Construct 3 linear equation starting with qiven solution z = 1/3
Andreyy89

Answer:

(a)9z+2=5

(b)21z-11=-4

(c)4z=2-2z

Step-by-step explanation:

We are required to construct 3 linear equations starting with the given solution z = 1/3.

<u>Equation 1</u>

<u />z=\frac{1}{3}<u />

Multiply both sides by 9

9z=\frac{1}{3}\times 9\\9z=3

Rewrite 3 as 5-2

9z=5-2

Add 2 to both sides

Our first equation is: 9z+2=5

<u>Equation 2</u>

<u />z=\frac{1}{3}<u />

Multiply both sides by 21

21z=\frac{1}{3}\times 21\\21z=7

Rewrite 7 as 11-4

21z=11-4

Subtract 11 from both sides

Our second equation is: 21z-11=-4

<u>Equation 3</u>

<u />z=\frac{1}{3}<u />

Multiply both sides by 6

6z=\frac{1}{3}\times 6\\6z=2

Rewrite 6z as 4z+2z

4z+2z=2

Subtract 2z from both sides

Our third equation is: 4z=2-2z

4 0
3 years ago
How are real numbers used to describe a real-world situations
avanturin [10]
Real numbers are all rational numbers such as -7 and 4/3 and all irrational numbers. Real numbers are mainly used in counting and also in measurement which is used a lot in real world situations. These numbers help is quantify in the real world.
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3 years ago
The area of a rectangle is represented by the expression 62 – 3x2 + 12x.
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3 years ago
What is the 100th term in the arithmetic sequence beginning with 3,19 … ? (show your work).
jeka94
Looks like an arithmetic sequence where
a =4 and d = 5
term(n) = a + (n-1)d = 4 + (n-1)(5) = 4 + 5n - 5 = 5n -1
term(100) = 5(100) - 1
5 0
2 years ago
Divide (8.6 x 108) by (3.2 x 103). Express your answer in scientific notation.
pav-90 [236]
In doing this division, we will first divide the 8.6 by the 3.2 to get 2.6875.  Thankfully, that number is already in scientific notation so we don't have to worry about changing it.  Now for the rest of the problem.  When the bases are the same, and they are both 10's, you subtract the exponents.  10^{8-3}   gives us 10^5.  The answer then in scientific notation is 2.6875*10^5.
6 0
3 years ago
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