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3 years ago

Which is the graph of the system of inequalities y 2 4x - and y = 2x + 6

Mathematics

2 answers:

larisa86 [58]3 years ago

7 0

The 1st graph should be right

SCORPION-xisa [38]3 years ago

6 0

Answer:

The 1st graph

Step-by-step explanation:

Easiest and fastest way to do this is to graph both inequalities on a graphing calc.

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Isaac paid $81 for a new surfboard. The amount paid was 60% of his total savings. How much money did he have in his savings befo

Flauer [41]

Answer:

$135

Step-by-step explanation:

Given data

Amount paid for new surfboard= $81

Percentage of the savings paid= 60%

Let the amount of the savings be x

Hence

60% of x= 81

60/100*x= 81

0.6x=81

x= 81/0.6

x=$135

Hence his savings was $135

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3 years ago

Which of the following has no solution?

xz_007 [3.2K]

{x | x < 0} and {x | x > 0}

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3 years ago

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A 2 digit number is one more than 6 times the sum of its digits. If the digits are reversed, the new number is 9 less than the o

atroni [7]

10a+b=c,

c=6*(a+b)+1,

10b+a=c-9

a = 4, b = 3, c = 43

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3 years ago

Find the area of the circle. (nearest hundredth)

Stolb23 [73]

37.68m this is my best guess sorry if it's wrong :)

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3 years ago

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Find the length of AB. Leave

vovikov84 [41]

Answer:

AB = 3π

Step-by-step explanation:

See attachment for correct format of question.

Given

From the attachment, we have that

θ = 20°

Radius, r = 27

Required

Find length of AB

AB is an arc and it's length can be calculated using arc length formula.

$Length = \frac{\theta}{360} * 2\pi r$

Substitute 20 for θ and 27 for r

$Length = \frac{20}{360} * 2\pi *27$

$Length = \frac{20 * 2\pi * 27}{360}$

$Length = \frac{1080 \pi}{360}$

$Length = 3\pi$

Hence, the length of arc AB is terms of π is 3π

3 0

4 years ago