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mixer [17]
2 years ago
9

X/3 - 13= 9 Plz help its very confusing

Mathematics
2 answers:
Tpy6a [65]2 years ago
6 0

Answer:

x  = 66

Step-by-step explanation:

Solve for  x  by simplifying both sides of the equation, then isolating the variable.

Vlada [557]2 years ago
6 0

Answer:

\frac{x}{3}  - 13 = 9 \\  \\  \frac{x}{3}  = 9 + 13 \\  \\  \frac{x}{3}  = 22 \\  x = 22 \times 3 \\ x = 66. answer.

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Solve for x. 26x2–9x=0
Lilit [14]

Answer:

x=0;x=\frac{9}{26}

Step-by-step explanation:

assuming you meant 26x^2-9x=0:

26x^{2} -9x=0\\x(26x-9)=0\\x=0;x=\frac{9}{26}

3 0
2 years ago
calculates the sum of the first 8 terms of an arithmetic progression starting with 3/5 and ending with 1/4
N76 [4]

We conclude that the sum of the first 8 terms of the arithmetic sequence is 17/5.

<h3>How to get the sum of the first 8 terms?</h3>

In an arithmetic sequence, the difference between any two consecutive terms is a constant.

Here we know that:

a_1 = 3/5\\a_8 = 1/4

There are 7 times the common difference between these two values, so if d is the common difference:

a_1 + 7*d = a_8\\\\3/5 + 7*d = 1/4\\\\7*d = 1/4 - 3/5 = (5 - 12)/20 = -7/20\\\\d = -1/20

Then the sum of the first 8 terms is given by:

3/5 + (3/5 - 1/20) + (3/5 - 2/20) + ... + (3/5 - 7/20)\\\\8*(3/5) - (1/20)*(1 + 2 + 3+ 4 + 5 + 6 + 7) = 3.4 = 34/10 = 17/5

So we conclude that the sum of the first 8 terms of the arithmetic sequence is 17/5.

If you want to learn more about arithmetic sequences:

brainly.com/question/6561461

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6 0
1 year ago
The three angle bisectors of ΔABC intersect at point P. Point P is the
kvv77 [185]

Answer:

incenter

Step-by-step explanation:

The point of intersection of the three angle bisectors of a triangle is the incenter.

8 0
2 years ago
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One pound of grapes cost a 1.55.Which equation correctly shows a pair of equivalent ratios that can be used to find the cost of
mart [117]

Answer:when in doubt go with c

Step-by-step explanation:

just do it

6 0
3 years ago
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Which of the binomials below is a factor of this trinominal x^2-10x-39
Ksenya-84 [330]

Answer:

C

Step-by-step explanation:

To factorise the quadratic

Consider the factors of the constant term (- 39) which sum to give the coefficient of the x- term (- 10)

The factors are - 13 and + 3, since

- 13 × 3 = - 39 and - 13 + 3 = - 10, hence

x² - 10x - 39 = (x - 13)(x + 3) ← in factored form

x - 13 is a factor → C

4 0
2 years ago
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