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mestny [16]
3 years ago
8

Please help me I don't know how to do this.

Mathematics
1 answer:
yaroslaw [1]3 years ago
6 0

Answer:

3x-1

step by step

2+3-5= -1

7x-4x=3x

3x-1

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What decimal fraction is between 1.2 and 1.5
Readme [11.4K]
1.2=1\frac{2}{10}=1\frac{2:2}{10:2}=1\frac{1}{5}\\\\1.5=1\frac{5}{10}=1\frac{5:5}{10:5}=1\frac{1}{2}\\\\1\frac{1}{5} < \boxed{1\frac{1}{4} < 1\frac{1}{3}}
7 0
3 years ago
Read 2 more answers
Is the figure an example of a segment?
Radda [10]

Answer: yes, it extends infinitely in opposite directions

Step-by-step explanation:

Examples of line segments include the sides of a triangle or square. More generally, when both of the segment's end points are vertices of a polygon or polyhedron, the line segment is either an edge (of that polygon or polyhedron) if they are adjacent vertices, or otherwise a diagonal.

Let me know if this helped

5 0
3 years ago
Find the length of arc RQ. Use 3.14
Helen [10]

Answer:

The length of arc PQ is 8.1 inches.

Step-by-step explanation:

First, you have to find the angle of POQ. Given that total angles in a circle is 360°, so you have to subtract to get ∠POQ :

73 + 150 + 65 + ∠POQ = 360

288 + ∠POQ = 360

∠POQ = 360 - 288 = 72

Next, you have to apply length of arc formula, Arc = θ/360×2×π×r where θ represents the angle of arc and r is the radius of circle :

arc =  \frac{θ}{360}  \times 2 \times \pi \times r

let \: θ = 72,\pi = 3.14,r = 6.48

arc =  \frac{72}{360}  \times 2 \times 3.14 \times 6.48

arc = 8.1 \: inches \: (near.tenth)

7 0
3 years ago
G suppose that 8 green balls and 14 purple balls are placed in an urn. two balls are then drawn in succession. what is the proba
GenaCL600 [577]
Total number of balls = 8 + 14 = 22

P(2nd ball is purple) = 14/22 = 7/11

Answer: 7/11
8 0
3 years ago
Which of the following can be a Pythagorean triplets?:
PolarNik [594]

<h2>Answer :-</h2>

As we know that,

Pythagoras triplet

1) a² + b² = c²

Let

\sf \: {2}^{2} + {2}^{2} = {4}^{2}

\sf \: 4 + 4 = 16

  • 8 ≠ 16
<h3>Hence, A can't be Pythagoras triplet</h3>

2) a² + b² = c²

\sf \:5 {}^{2} + {12}^{2} = {13}^{2}

\sf \: 25 + 144 = 169

  • 169 = 169
<h3>Therefore, B can be Pythagoras triplet</h3>

3)a² + b² = c²

\sf {3}^{2} + {5}^{2} = {6}^{2}

\sf 9 + 25 = 36

  • 34 ≠ 36
<h3>Hence, C can't be Pythagoras triplet</h3>

4) a² + b² = c²

\sf {5}^{2} + {4}^{2} = {7}^{2}

\sf \: 25 + 16 = 49

  • 41 ≠ 49
<h3>Hence, D can't be Pythagoras triplet</h3>

<h2 /><h2>Therefore :-</h2>

Only B can be Pythagoras triplet.

3 0
3 years ago
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