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Oduvanchick [21]
3 years ago
13

Tentukan himpunan penyelesaian dari persamaan berikut: 3y+15=5y-1

Mathematics
1 answer:
Nata [24]3 years ago
3 0
3y+15=5y-1
1. Subtract 5y from each side, so you are left with -2y+15=-1
2.Subtract 15 from each side, so you are left with -2y=-16
3. Divide both sides by -2. so you have y=8
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Anyone can help me with this
uysha [10]

Answer:

y = - 6x + 1

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

here m = - 6, hence

y = - 6x + c ← is the partial equation

To find c substitute (- 1, 7) into the partial equation

7 = 6 + c ⇒ c = 7 - 6 = 1

y = - 6x + 1 ← equation of line



5 0
3 years ago
Between 1998 and 2018, inflation for prices of goods and services has been about 51%. Suppose a salon charged $18 for a basic ha
Anestetic [448]

Answer: $22.12

Step-by-step explanation:

I just did the compound interest formula which is

starting amount * (1. interst rate) ^ number of years

example if you have 100$ and you want to know how much it is worth if it appretiates by 7% of a period of 20 years it would look something like this;

100 * (1.10) ^20 = 672.74$

but since you have to figure out what it was in 2008 which was exactly half way in the period you divide the exponent by half so your formula should be;

I know the answer is right because I asked my teacher and it's correct.

REAL EXAMPLE: 18 * (1.51) ^.5 = 22.12$

5 0
3 years ago
The glee club has 120 cupcakes to sell. they have decided to arrange the cupcakes in the shape of a rectangle such that the rows
DochEvi [55]
120 cupcakes
Even # rows
Odd # columns

12: 1, 2,3,4,6, 12 (integers?)

I see only one arrangement with odd column & even rows
3 columns, 40 rows
That's mainly because 120 is an even number.

5 0
2 years ago
In a horse race, the odds in favor of the first horse winning in an 8-horse race are 2 to 5. The odds against the second horse w
Nataly_w [17]

The probability that the first horse wins is 2/7. The probability that the second horse wins is 3/10. Since the events that the first horse wins and the second horse wins are shared exclusive, the probability that either the first horse or the second horse will win is :

2/7 + 3/10= 41/70

Hope this is correct.

4 0
3 years ago
What is 127 to the nearest 10
finlep [7]

Answer:The answer is 130

Step-by-step explanation:

3 0
2 years ago
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