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timofeeve [1]
2 years ago
10

4(x + 1) > 0 find the inequalties and graph the solutions

Mathematics
1 answer:
Ostrovityanka [42]2 years ago
4 0

Answer:

( − 1 , ∞ ) interval notion

Step-by-step explanation:

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Help with math please asap <br> 1. Solve the inequality <br> 1/5 + 1/3 X &gt; 1/2 X - 1/4
Finger [1]

Answer:

The solution set is x < 2.7

Step-by-step explanation:

To start, get all of the x terms on the right side and all the constant terms on the left.

1/5 + 1/3x > 1/2x - 1/4

1/5 + 1/4 + 1/3x > 1/2x

1/5 + 1/4 > 1/2x - 1/3x

Now give the terms on each side common denominators.

4/20 + 5/20 > 3/6x - 2/6x

9/20 > 1/6x

Now we can multiply both sides by 6.

27/10 > x

2.7 > x

6 0
3 years ago
72 The length of a side of a triangle is 36. A line parallel to that side divides the triangle into two parts of equal area. Fin
katrin [286]

Answer:

  18√2

Step-by-step explanation:

The smaller triangle sharing a vertex with the larger one is similar and half the area. That means its linear dimensions are √(1/2) = (√2)/2 times those of the larger triangle.

The line segment of interest has length ...

  36 × (√2)/2 = 18√2

_____

The ratio of area of similar figures is the square of the ratio of their linear dimensions. Thus the ratio of linear dimensions is the square root of the ratio of area.

6 0
3 years ago
the first and last term arithmetic sequence are 9 and 165 respectively.if the sum of all the terms of the arithmetic sequence is
diamong [38]

Answer:

  • 40 terms

Step-by-step explanation:

<u>Sum of n terms formula:</u>

  • Sn = 1/2n(a1 + an)

<u>Solving for n</u>

  • 3480 = 1/2n(9 + 165)
  • 3480 = 87n
  • n = 3480/87
  • n = 40
3 0
3 years ago
Read 2 more answers
NO LINKS!!!<br><br>14. Consider the table​
iVinArrow [24]

Answer:

(a) rate of change = 8

(b) Function: y = 8x

(c) Domain: 0 ≤ x ≤ 2

    Range: 0 ≤ y ≤ 16

Explanation:

Looks like a inverse variation sequence.

Inverse Variation formula: y = k(x)

Take two points: (1, 8), (2, 16)

Find the value of k which is constant also considered as <u>rate of change</u>.

<u>Insert values</u>:

  • 8 = k(1)
  • k = 8

===========

  • 16 = k(2)
  • k = 8

Equation: y = 8x

Domain lies in the x axis, Range lies in the y axis.

  • Here domain: 0 ≤ x ≤ 2
  • Here range: 0 ≤ y ≤ 16
5 0
1 year ago
Read 2 more answers
Plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
maw [93]

Answer:

1. 4 is the constant

2. x > -2

3. 2.86 inches

^The formula for the circumference of a circle is C=2∏r, in which r=radius. To find the radius, then, we insert 18 in for the circumference. So 18=2∏r. Solving for r gives 9/∏, or approximately 2.86 inches.

hope this helped:)

Brainliest?

8 0
3 years ago
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