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labwork [276]
4 years ago
12

Solve the following system of equations: 2x - y = 7

Mathematics
1 answer:
wlad13 [49]4 years ago
5 0

Answer:

Step-by-step explanation: Not too sure how to explain it this is how you simplify it pretty sure

2x-y=7

+2x    +2x add to both sides to get y alone because it has no friends

___________

-y=7+2x get rid of the negative on the y value

__________

y= -2x -7

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Kevin is making 8 centerpieces for a party. In each centerpiece, of an ounce of flower food is used. How many ounces of flower f
nikdorinn [45]
8 ounces of flower food.
7 0
2 years ago
Why is 6/8 greater than 5/8 but less than 7/8
My name is Ann [436]
Simple!

Since we can observe that they all have the same denominators (bottom part) we can just observe the numerator (top part)

6 is indeed greater than 5, yes? So we can safely say that

6/8 > 5/8

Now the for the second part. 

6 is smaller than 7, yes? So we can make the observation that

6/8 < 7/8

Hope that makes sense! (Be sure to thank me, plz)

P.S. If you want an example of unlike denominators, let me know. <span />
7 0
3 years ago
It's Jenny's birthday! She invites her three best friends Janey, Jeannie, and Joany
Luba_88 [7]
The answer to this problem is 12.
8 0
3 years ago
Use the figure below to find the missing sides and angles.
Sunny_sXe [5.5K]

Answer:

AC = BC = 5

AB = 5√2

∠A = ∠B = 45

∠A = 90

Step-by-step explanation:

AC = 5 ( Reason : 5 squares are present in between A and C )

Similarly,

BC = 5

<u>By Pythagoras theorem</u>,

(AB)² = (AC)² + (BC)²

        = 5² + 5²

        = 2 * 5²

(AB)² = 2 * 5²

AB = 5√2

Since, sides AC and BC are equal,

∠A = ∠B = 45

Since, AC is perpendicular to BC,

∠A = 90

6 0
2 years ago
You invest $350 in an account with an interest rate of 1.2% compounded continuously. How much money would be in the account afte
kozerog [31]
Change 1.2%into decimal you will get 0.012
then multiply 350 by 0.012 you got the answer
then add the 0.012 with the 10 you will get 10.012
at the end round your answer to the whole number
5 0
3 years ago
Read 2 more answers
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