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3 years ago

11

In order to ride a rollercoaster at the theme park ridersust be 52inches tall write and graph an inequality to show the safe hei

ghts for riders

1 answer:

n200080 [17]3 years ago

7 0

Answer:

http://misterkmath.weebly.com/uploads/1/3/8/0/13802304/8-2d_answers.pdf

Step-by-step explanation: here is the answer sheet

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Evaluate (-2)^6 + (-3)^2

jok3333 [9.3K]

Answer:

73

Step-by-step explanation:

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2 years ago

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Jamie is selling tickets at a whale watch at a local beach.The tickets cost $24.40 for an adult and $14.50 for a child.Jamie ear

wariber [46]

30% = .3

.3(24.40a + 14.50c)

24.40 = cost of adult ticket
14.50 = cost of child ticket
a = # of adult tickets sold
c = # of child tickets sold

.3 * 24.40a + .3 * 14.50c
answer: 7.32a + 4.35c

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3 years ago

Solve x2 – 7x = –13.

aleksklad [387]

we have

$x^{2} -7x=-13$

Complete the square. Remember to balance the equation by adding the same constants to each side

$x^{2} -7x+3.5^{2}=-13+3.5^{2}$

$x^{2} -7x+12.25=-13+12.25$

$x^{2} -7x+12.25=-0.75$

Rewrite as perfect squares

$(x-3.5)^{2}=-0.75$

remember that

$i=\sqrt{-1}$

Square root both sides

$(x-3.5)=(+/-)\sqrt{-0.75}$

$(x-3.5)=(+/-)\sqrt{-1*0.75}$

$(x-3.5)=(+/-)\sqrt{0.75}i$

$x1=3.5+\sqrt{0.75}i$

$x2=3.5-\sqrt{0.75}i$

Simplify

$\sqrt{0.75}=\frac{\sqrt{3}}{2}$

$x1=3.5+\frac{\sqrt{3}}{2}i$

$x2=3.5-\frac{\sqrt{3}}{2}i$

therefore

<u>the answer is</u>

$x1=3.5+\frac{\sqrt{3}}{2}i$

$x2=3.5-\frac{\sqrt{3}}{2}i$

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3 years ago

Read 2 more answers

(5 1/6-x)*2 7/10-1 3/14=3 2/7

avanturin [10]

Answer:

3.5

Step-by-step explanation:

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1 year ago

HELP ASAP IM BEING TIMED!

Ad libitum [116K]

Answer: Its the 2nd and 4th

Step-by-step explanation:

i am sorry i know its not gonna help you now but its for others!

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2 years ago