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Naily [24]
3 years ago
9

Are these graphs functions?

Mathematics
1 answer:
Tresset [83]3 years ago
3 0
Number 5 is but not 6
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A stack of 500 pieces of paper is 1.015 inches tall. What is an appropriate estimate for the thickness of each piece of paper?
Vinvika [58]

Answer: 0.002 inches

Step-by-step explanation:

A stack of 500 pieces of paper is 1.015 inches tall. The appropriate estimate for the thickness of each piece of paper would be gotten by dividing 1.015 by 500. This will be:

= 1.015 / 500

= 0.00203

= 0.002 inches

6 0
3 years ago
Two triangles are similar. The smaller triangle has side lengths 10, 20, and 15 units. The larger triangle's longest side is 52
Firdavs [7]

Answer:

117 units

Step-by-step explanation:

if you use the ratio of the two longest sides then you can find all side lengths

\frac{52}{20} = \frac{x}{10};    x = half of 52, or 26

\frac{52}{20} = \frac{x}{15};    20x = 52 · 15

              20x = 780

               x = 39

add to get perimeter: 52 + 26 + 39 = 117 units

5 0
3 years ago
Read 2 more answers
B^2 – 4ac if a = 2, b = 9, and c = 4
babymother [125]

Answer:

49

Step-by-step explanation:

(b)^{2} - 4(a)(c)  \\(9)^{2} - 4(2)(4)   \\81 - 4(2)(4)  \\81 - 32 \\49

4 0
2 years ago
Percent of change $75 to $25
Vesnalui [34]
66.67%. hope i helped man
7 0
3 years ago
my last question was deleted for asking whats 2+2 & may i just say , i have learned from my consequence , that when im bored
castortr0y [4]

Answer:

4

Step-by-step explanation:

7 0
3 years ago
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