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9966 [12]
3 years ago
15

What is (0,6] n (6,8]?

Mathematics
1 answer:
Anastaziya [24]3 years ago
3 0

Answer:

(6) the letter n : intersection which means the number you will find at the first bracket and has the same number at the other bracket

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Question in attachment
sdas [7]

Answer:

a₁ = 6

Step-by-step explanation:

The sum to n terms of a geometric sequence is

S_{n} = \frac{a_{1}(r^{n}-1)  }{r-1}

where a₁ is the first term and r the common ratio

Here S_{8} = 1530 and r = 2, thus

\frac{a_{1}(2^{8}-1)  }{2-1} = 1530 , that is

a₁ (256 - 1) = 1530

255a₁ = 1530 ( divide both sides by 255 )

a₁ = 6

8 0
3 years ago
Brittany is selling car magnets. She purchased a them for $7.50 each and marks up the price by 30%. How much is Brittany plannin
-Dominant- [34]
Hello! So Brittany plans to sell car magnets that she purchased at $7.50 and mark them up by 30%. To find the new price, we can multiply 7.50 * 1.30. When multiplied, it gives us 9.75. Brittany is planning to charge $9.75 for the car magnets.
6 0
3 years ago
I’ll give brainliest!!
nignag [31]

Answer:

If A is wrong then B I think

Step-by-step explanation:

3 0
3 years ago
PLS HELP ME ASAP I AM TIMED explain ur asnwer DONT GUESS THATS REALLY IMMATURE AND RUDE
Sav [38]
The answer is D

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8 0
3 years ago
Solve the system of linear equations. separate the x- and y- values with a coma.
kobusy [5.1K]
Solve the following system:
{7 x - 3 y = 37 | (equation 1)
{14 x + 11 y = 23 | (equation 2)
Swap equation 1 with equation 2:
{14 x + 11 y = 23 | (equation 1)
{7 x - 3 y = 37 | (equation 2)
Subtract 1/2 × (equation 1) from equation 2:
{14 x + 11 y = 23 | (equation 1)
{0 x - (17 y)/2 = 51/2 | (equation 2)

Multiply equation 2 by 2/17:
{14 x + 11 y = 23 | (equation 1)
{0 x - y = 3 | (equation 2)

Multiply equation 2 by -1:
{14 x + 11 y = 23 | (equation 1)
{0 x+y = -3 | (equation 2)
Subtract 11 × (equation 2) from equation 1:
{14 x+0 y = 56 | (equation 1)
{0 x+y = -3 | (equation 2)

Divide equation 1 by 14:
{x+0 y = 4 | (equation 1)
{0 x+y = -3 | (equation 2)
Collect results:
Answer: {x = 4
               {y = -3

4 0
3 years ago
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