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djyliett [7]
3 years ago
10

5.8(20-3x)= please this is timed i need help!

Mathematics
1 answer:
maria [59]3 years ago
4 0

Answer:

Step-by-step explanation:

5.8(20−3x)

=(5.8)(20+−3x)

=(5.8)(20)+(5.8)(−3x)

=116−17.4x

=−17.4x+116

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13 x 6 = 78 you cant multiply anymore so that's how many times it can go in 80.
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Use the graph to determine which values can be used to complete the equation x^2/a^2-y^2/b^2=1. a= b=
JulsSmile [24]

Answer: a: 5

b: 12

Step-by-step explanation:

8 0
3 years ago
Using x as the variable, write a formula to find the perimeter of the figure. Use the formula to find the perimeter. a regular d
Mamont248 [21]

Answer:

c. 12x; 111 cm

Step-by-step explanation:

The regular dodecagon has 12 sides. Each side has a length of x=9.25 cm, and we know that the perimeter of the figure is the sum of the lengths of all the sides: Therefore, since we have 12 sides, the perimeter will be given by the product between the length of each side, x, and the number of sides, 12:

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6 0
3 years ago
Which ordered pair is a solution of the equation? 2x+4y=6x-y OPTION A: Only (4,5) OPTION B: Only (5,4) OPTION C Both A and B OPT
sammy [17]

Answer:

option b

Step-by-step explanation:

replace x and y with the x and y of the ordered pair

option a: 2(4)+4(5)=6(4)-5

solve

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28=19  not true

option b:2(5)+4(4)=6(5)-4

solve

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6 0
4 years ago
g Jack is polling New Yorkers to determine what proportion of them want to legalize recreational marijuana. How many New Yorkers
wolverine [178]

Answer:

1006

Step-by-step explanation:

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Margin error = 0.03

p = 62% = 0.62

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n = 0.90508096 / 0.0009

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n = 1006

Sample size = 1006

5 0
3 years ago
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