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AleksandrR [38]
3 years ago
12

What is the best approximate solution to the system of linear equations?

Mathematics
1 answer:
Cloud [144]3 years ago
7 0

Answer:

d

Step-by-step explanation:

the solution to a system of linear equations is where the linear equations intersect. in this system, they intersect at around (2.2, -1.4).

You might be interested in
Solve the following problem and show the work. (x - 6)^2 + (y + 1)^2 = 40
Taya2010 [7]

Answer:

see explanation

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

(x - 6)² + (y + 1)² = 40 ← is the equation of a circle in standard form

centre = (6, - 1) and r = \sqrt{40} = 2\sqrt{10}

3 0
3 years ago
An infinite geometric series has a first term ai = 15 and a sum of 45. Explain how you
oee [108]

Answer:

r= \frac{2}{3}

Step-by-step explanation:

The sum to infinity of a geometric series is calculated as

S∞ = \frac{a_{1} }{1-r} ; | r | < 1

where a₁ is the first term and r the common ratio

here a₁ = 15 and S∞ = 45 , then

45 = \frac{15}{1-r} ( multiply both sides by (1 - r ) )

45(1 - r) = 15 ( divide both sides by 45 )

1 - r = \frac{15}{45} = \frac{1}{3} ( subtract 1 from both sides )

- r = \frac{1}{3} - 1 = - \frac{2}{3} ( multiply both sides by - 1 )

r = \frac{2}{3}

8 0
2 years ago
shopkeeper purchased a bicycle for rupees 5000 and marked its price a certain percent above the cost price then he sold it at 10
Gennadij [26K]

Lets say the final price of the bike is SP plus 13% VAT. So:

1.13 * SP = 6356.25

SP = 5625

Now SP was after 10% discount on Original Price, say MP. So:

0.9 * MP = 5625

MP = 6250

Therefore, the percent of Marked Price above Cost Price is:

(6250 - 5000) * 100/5000 = 25%

8 0
3 years ago
Please help me. Look at the picture.
nika2105 [10]

Answer:

40 by 2.5 ?

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Which is bigger 7/9 or 5/6
Kobotan [32]
Make them both over 54:
so 7/9= 42/54
and 5/6= 35/54
now you can easily see that 7/9 is larger than 5/6
3 0
2 years ago
Read 2 more answers
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