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snow_tiger [21]
3 years ago
5

11. There are a total of 30 puzzle pieces. Three

Mathematics
2 answers:
natulia [17]3 years ago
6 0

Answer: 2

Step-by-step explanation:

5-3=2

30-5=15

Ivahew [28]3 years ago
3 0

Answer:

12 black

PLS MARK BRAINLIEST!!

Step-by-step explanation:

3/5 = red

3/5 of 30 = 18

30-18 = 12 black

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The answer is :
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If two lines are parallel which statement must be true? A.Their slopes are zero. B.Their slopes are negative reciprocals. C. The
stepan [7]

Answer:

D

Step-by-step explanation:

Parallel lines have the same gradient.

A line with a slope of zero is a horizontal line. Although two lines that have a slope of zero will result in two parallel lines, not all parallel lines are horizontal lines. Since the question is asking for which statement <u>must</u> be true, option A is incorrect.

If the slopes of two lines are negative reciprocals, they are perpendicular to each other. This is because the product of the gradients of 2 perpendicular lines is -1. Let the gradient of the first line be A and the other be B.

AB= -1

A =   - \frac{ 1}{B}

B =  -  \frac{1}{A}

Thus, option B is incorrect too.

Undefined slopes gives vertical lines. Like option A, if two lines have an undefined slope, they will be parallel to each other. However since parallel lines are nit necessarily vertical lines, option C is also incorrect.

4 0
2 years ago
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A pair of parallel lines intersected by a transversal and forms same side interior angles that are in a 5:1 ratio. what are the
kifflom [539]

Answer:

1st side: 150

2nd side: 30

3 0
3 years ago
Mario sells electronics at Big Box Electronics Store. He is paid a salary of $250 a week
Usimov [2.4K]

Answer:

Step-by-step explanation:

  1. E = 0.07s + 250
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What is the average of 301,317,167 and 319​
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150658743

Step-by-step explanation:

(301 317 167+319)÷2=150658743

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