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zubka84 [21]
3 years ago
8

Write variable expression: b minus the quotient of c and a

Mathematics
1 answer:
scZoUnD [109]3 years ago
7 0
B minus(-) the quotient (/) or (:) "both signs have the same meaning" of c and a
The expression is
b-c/a
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Find the 15th term of the arithmetic sequence -5x+3−5x+3, -9x-2−9x−2, -13x-7,.......???
Anna35 [415]

Answer:

- 61x - 67

Step-by-step explanation:

The n th term of an arithmetic sequence is

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

d = - 9x - 2 - (- 5x + 3)

  = - 9x - 2 + 5x - 3

  = - 4x - 5 and a₁ = - 5x + 3, thus

a_{15} = - 5x + 3 + 14(- 4x - 5) = - 5x + 3 - 56x - 70 = - 61x - 67

5 0
3 years ago
The slope of a line that is parallel to each line whose equation is given
Kobotan [32]
Parallel lines, slope is the same so
1) 3x+8y = 12
8y = -3x + 12
  y = -3/8(x) + 3/2, slope = -3/8

slope of a line that is parallel = -3/8

2)5x+4y = 5
  4y = -5x + 5
    y = -5/4(x) + 5/4; slope is -5/4

slope of a line that is parallel = -5/4
--------------------
perpendicular, slope is opposite and reciprocal

3)
3x+8y = 11
 8y = -3x + 11
   y = -3/8(x) + 11/8. slope = -3/8
slope of perpendicular line = 8/3

4)
x = -7, slope is undefined
so slope of perpendicular line is 0

5)
3x+2y = 12
2y = -3x + 12
 y = -3/2(x) + 6 ; slope = -3/2

5x - 6y = 8
6y = 4x - 8
  y = 2/3(x) - 4/3; slope is 2/3

slope is opposite and reciprocal, so the equals are perpendicular

6)
3x + y = 5
y = -3x + 5; slope = -3

6x + 2y = -15
2y = -6x - 15 
y = -3x - 7.5; slope = -3

both have slope = -3 so equations are parallel

3 0
3 years ago
If a crate contains 25,500 ounces (oz) of rice, about how many kilograms (kg) does it contain? (1 lb = 16 oz, 1 lb = 0.454 kg)
Flauer [41]

\frac{25,000 oz}{1} * \frac{1LB}{16oz} * \frac{0.454 KG}{1 LB} = 723.5625 kg

Answer: B

8 0
3 years ago
Read 2 more answers
Michael is packing his bags for his vacation. He has 5 unique shirts, but only 4 fit in his bag. How many different groups of 4
DiKsa [7]

Answer:

12

Step-by-step explanation:

I think you have to use the product rule for counting- which is where you multiply the two numbers. I'm not sure if this is right but I hope I helped

3 0
3 years ago
Write the following equation in the general form Ax + By + C = 0. 2x + y = 6
lesya [120]

Answer:

0.2x + y -6

Step-by-step explanation:

A and b are already there but to get c you just have to move 6 to the other side by subtracting it from the right side and adding it to the end of the left side.

8 0
3 years ago
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