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Anna71 [15]
3 years ago
12

Which line passes through the origin?

Mathematics
1 answer:
suter [353]3 years ago
8 0

Answer:so thw why xasis paases

Step-by-step explanation: looked itup on goggle

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6x-5y=5<br> 3x+5y=4<br> The x-coordinate of the solution to this system of equation is
Anna35 [415]

Answer:

x=1

Step-by-step explanation:

1) 6x-5y=5

2) 3x+5y=4

ets perform the following operation

1) +2), This leads to the following equation:

6x+3x-5y+5y=5+4

From where we obtain the solution for x

9x=9

x=1

3 0
3 years ago
At a children's concert there were 80 boys. There were 1 1/2 times the number of girls as boys. What percentage of the total num
beks73 [17]

Answer:

60% are girls

Step-by-step explanation:

80 x 1.5 = 120 which is the amount of girls

120 out of 200 is 12/20 or 3.5 which is 60%

4 0
2 years ago
Solve x^4 - 3x^2 +2 = 0 using substitution.
Leona [35]

Answer:

x = ± 1 , x = ± \sqrt{2}

Step-by-step explanation:

Let u = x² , then

x^{4} - 3x² + 2 = 0 , can be expressed as

u² - 3u + 2 = 0 ← in standard form

(u - 1)(u - 2) = 0 ← in factored form

Equate each factor to zero and solve for u

u - 1 = 0 ⇒ u = 1

u - 2 = 0 ⇒ u = 2

Change the variable u back to x

x² = 1 ( take square root of both sides )

x = ± 1

or

x² = 2 ( take square root of both sides )

x = ± \sqrt{2}

4 0
2 years ago
By visual inspection, determine the best-fitting regression model for the
zhuklara [117]

Answer:

The answer is Linear

Step-by-step explanation:

I always guyed myself as a happy face. If it is happy it is linear. :)

8 0
3 years ago
rob is saving to buy a new mp3 player. for every $15 he earns babysitting, he saves $8. On Saturday, Rob earned $90 babysitting.
Elena-2011 [213]

Answer: 42

Step-by-step explanation: 15 -8=7 90/15=6 6*7=42

4 0
2 years ago
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