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Andrej [43]
3 years ago
7

-5x + 9y = 14 -3x + 9y = -6

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
4 0
You can solve it by several ways, but easiest and shortest would be "By Elimination"

So, subtract 2nd equation from 1st, 
-2x = 20
x = -10

Substitute it in 2nd equation, 
-3(-10) + 9y = -6
30 + 9y = -6
9y = -6 - 30
y = -36/9
y = -4

In short, Your Answer would be: (-10, -4)

Hope this helps!
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What is the difference between the 5th multiple of 7 and 3rd multiple of 2 ?
lesya692 [45]

Answer:

<h3>5th Multiple of 7 = 35</h3><h3>3rd Multiple of 2 = 6</h3><h2>The Difference</h2>

=> 35-6

<h2>=> 29</h2>
4 0
3 years ago
2) two florist purchased flower bouquets and vases at the same store. The first florist bought 2 flower bouquets and two vases f
Feliz [49]
Let
b---------> <span>the cost of one flower bouquet
</span>v-------->  <span>the cost of one vase.

we know that
2b+2v=12.50-----> </span>Multiplied by -1------------->-2b-2v=-12.50
8b+2v=29---------------------------------------------> 8b+2v=29
           I add the two equations                    ------------------------
                                                                        6b=16.50
b=2.75
2*2.75+2*v=12.50---------------> v=(12.50-5.5)/2---------> v=3.5

the answer is
the cost of one flower bouquet is $2.75
the cost of one vase is $3.5

7 0
3 years ago
Austin is going to the movie theater. It is 3 and3/5 miles from his house. Austin Takes his scooter, but it breaks down 2/3 of t
Nina [5.8K]
2 and 14/15
Because the first step of subtraction is common denominators
5 0
4 years ago
Read 2 more answers
Simplify the expression 4 squaere root of 9
nlexa [21]

Answer:

12

Step-by-step explanation:

4 / sqrt {9}

4(3)

4 x 3

12

7 0
2 years ago
I am giving away 10 points to anybody who provides correct answers with explanations.
QveST [7]

Answer:

5)\ f(n) = 4v

6)\ \frac{1}{4}n

7)\ True

This might not be correct though. I'm only in middle school lol. I am sure about the last one.

6 0
3 years ago
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