Which conjunction or disjunction is equivalent to the open sentence |a – 8| ≤ 3.
A.a – 8 ≤ 3 and a – 8 ≥ –3
B.a – 8 ≥ 3 and a – 8 ≤ –3
C.a – 8 ≤ 3 or a – 8 ≥ –3
D.a – 8 ≥ 3 or a – 8 ≤ –3

- anonymous

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- anonymous

a−8≤3anda−8≥−3

- anonymous

Can you pick more than one?

- anonymous

Oh and thats A

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- anonymous

no only one and thank u

- anonymous

np c;

- anonymous

oh could I get a medal c;

- anonymous

can u help me with another one

- anonymous

sure

- anonymous

Which conjunction or disjunction is equivalent to the open sentence 4 – 2|n + 6| ≥ 2?
A.n > –5 or n < –7
B.n + 6 ≤ 1 and n + 6 ≥ –1
C.–5 < n or n < –7
D.n + 6 ≤ –1 and n + 6 ≥ 1

- anonymous

C.

- anonymous

hehe thank you so much.......how long can i have u

- anonymous

hm, for about 40 mins

- anonymous

and np

- anonymous

;)

- anonymous

hehehe i got another one

- anonymous

Ok go for it

- anonymous

Solve the inequality. 3 + |t + 4| < 10
A. t > 3 or t < –11
B. t < 3 and t > 11
C. –3 < t < 11
D. –11 < t < 3

- anonymous

t<3 and t>−11

- anonymous

oh thank you thank you love

- anonymous

youre welcome c;

- anonymous

u are so helpful

- anonymous

Solve the equation. |k + 7| = 3
A.{–4, 10}
B.{–10, –4}
C.{all real numbers greater than or equal to –10 and less than or equal to – 4}
D.{–4, 4}

- anonymous

B?

- anonymous

I know that k=−4 or k=−10

- anonymous

But I dont know what I would pick for this

- anonymous

take ur time if u need to

- anonymous

ok wait a min

- anonymous

ok

- anonymous

ok, I'd say b ;)

- anonymous

what grade is this?

- anonymous

9th

- anonymous

oh do you have anymore questions?

- anonymous

yes u ready

- anonymous

yup!

- anonymous

Which inequality models this problem?
The length of a rectangle is four times its width. If the perimeter is at most 130 centimeters, what is the greatest possible value for the width?
A. 2w + 2 • (4w) < 130
B. 2w + 2 • (4w) > 130
C.2w + 2 • (4w) ≤ 130
D.2w + 2 • (4w) ≥ 130

- anonymous

C.

- anonymous

2w + 2 • (4w) ≤ 130

- anonymous

i got u how much time i have left

- anonymous

I dont have a time limit so go ahead

- anonymous

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- anonymous

The length of a rectangle is five times its width. If the perimeter is at most 96 centimeters, what is the greatest possible value for the width?
A.40 cm
B.19.2 cm
C.16 cm
D.8 cm

- anonymous

let the width be x therefore length = 5x 2(x+5x)<96 6x<48 x<8cm

- anonymous

So D.

- anonymous

Which inequality models this problem?
Josephine started a business selling cosmetics. She spent $4500 to obtain her merchandise, and it costs her $200 per week for general expenses. She earns $550 per week in sales. What is the minimum number of weeks it will take for Josephine to make a profit?
A.550w < 4500 + 200w
B.200w ≥ 4500 + 550w
C.200w > 4500 + 550w
D.550w > 4500 + 200w

- anonymous

550W > 4500 + 200W

- anonymous

Eduardo started a business selling sporting goods. He spent $7500 to obtain his merchandise, and it costs him $300 per week for general expenses. He earns $850 per week in sales. What is the minimum number of weeks it will take for Eduardo to make a profit?
A.12 weeks
B.13 weeks
C.14 weeks
D.15 weeks

- anonymous

B.

- anonymous

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- anonymous

u there

- anonymous

ya

- anonymous

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- anonymous

are you here

- anonymous

lol im always here

- anonymous

ok, anymore questions?

- anonymous

yes

- anonymous

ok

- anonymous

you here?

- anonymous

yea im getting my question

- anonymous

ok

- anonymous

3. The length of a rectangle is 7 mm longer than its width. Its perimeter is more than 62 mm. Let w equal the width of the rectangle.
a. Write an expression for the length in terms of the width.
b. Use these expressions to write an inequality based on the given information.
c. Solve the inequality, clearly indicating the width of the rectangle.
Answer:

- anonymous

How many questions do you have? because I have to go soon.

- anonymous

oh if u have to go u can go ill just ask someone else

- anonymous

L = length
L = w + 7
2(w + 7) + 2w > 62
2w + 14 + 2w > 62
4w + 14 > 62
4w > 62 - 14
4w > 48
w > 48/4
w > 12 so the width is more than 12 mm

- anonymous

There. ok bye.

- anonymous

Have a nice day ;)

- anonymous

u too love see ya

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