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I am Lyosha [343]
3 years ago
6

Write the equation 2x + 6x + y2 - 8y= 19 in standard form ​

Mathematics
2 answers:
OLEGan [10]3 years ago
6 0

Answer:

I think option one .........

wariber [46]3 years ago
3 0
Y^2+8x-8y=19... I think?
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=
ivann1987 [24]

9514 1404 393

Answer:

  • large: 55 lb
  • small: 30 lb

Step-by-step explanation:

Let x and y represent the weights of the large and small boxes, respectively. The problem statement gives rise to the system of equations ...

  x + y = 85 . . . . . combined weight of a large and small box

  70x +50y = 5350 . . . . combined weight of 70 large and 50 small boxes

We can subtract 50 times the first equation from the second to find the weight of a large box.

  (70x +50y) -50(x +y) = (5350) -50(85)

  20x = 1100 . . . . simplify

  x = 55 . . . . . . . divide by 20

Using this in the first equation, we can find the weight of a small box.

  55 +y = 85

  y = 30 . . . . . . . subtract 55

A large box weighs 55 pounds; a small box weighs 30 pounds.

4 0
3 years ago
Needed help with this question!
In-s [12.5K]
A) is 2x
b) is x^{3}
c) is -2x

I think these are correct.
log_{10}1000^{x] = log_{10}10^{2x}=2x
I did similar things to get other answers
1000^{log_{10}x} = 10^{3log_{10}x}=10^{log_{10}x^{3}}=x^{3}
5 0
3 years ago
Write equivalent fractions for 2 4/5 and 2 2/3 using a common denominator.
Luda [366]

Answer:

2 12/15 and 2 10/15

Step-by-step explanation:

4 x 3 = 12

2 x 5 = 10

5 0
3 years ago
Read 2 more answers
A certain city's Department of Transportation DOT repairs about 80,000 potholes per year. The DOT completes 90% of the repairs o
timurjin [86]

Answer:

Option A

Step-by-step explanation:

6 0
2 years ago
How are a common denominator and a common multiple alike and different?
Ksju [112]

Answer:

Both common denominators and common multiples are found the same way, but a denominator is strictly on the bottom of a fraction while a multiple is not.

Step-by-step explanation:

To find a common denominator of two fractions, you find a number that both denominators of the given fractions will divide into.

5 0
3 years ago
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