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Anna35 [415]
3 years ago
11

Is x=-1 a solution of: -4-4x<-x-2

Mathematics
1 answer:
vodka [1.7K]3 years ago
5 0

Answer:

yes it's a solution. I think. I don't really know this

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Ava wants to ride her bicycle more than 75 miles this week. She has already ridden her bicycle 16 miles. Which inequality could
Whitepunk [10]

Answer:

I think it may be  5m + 16 < 75

Step-by-step explanation:

I don't know if its wrong

6 0
3 years ago
Lydia's claims that when she subtracts two negative integers, the result is always positive. Is she correct? Explain.
aleksley [76]
She is correct because a negative subtracted by a negative is positive.
8 0
3 years ago
Read 2 more answers
For a group of 100 people, compute(a) the expected number of days of the year that are birthdays of exactly 3 people.(b) the exp
Scilla [17]

Answer:

Step-by-step explanation:

Leaving leap years, a year contains 365 days.

For a group of 100 people, each person is independent of the other and probability of any day being his birthday has a chance of

\frac{1}{365}

a) Probability that  exactly 3 people have same birthday = \frac{1}{365^3}

Each day is independent of the other

And hence no of days having exactly 3 persons birthday out of 100 persons is binomial with n = 365 and p = \frac{1}{365^3}

Expected value of days = np = \frac{1}{365^2}

b) Distinct birthdays is binomail with p =1/365 and n = 365

Hence

expected value = np =1

4 0
3 years ago
jen and sarah go to lunch at the Green Grill.Their meals total $28.00 .The tax is 6%.What is the total cost including tax?
nordsb [41]
6%=0.06

28(0.06)
= 1.68 ---> tax

28+1.68
= 29.68

Jen and Sarah spent 29.68 dollars including tax

I hope this answer helped you and have a wonderful day!
5 0
3 years ago
Read 2 more answers
Plz plz help there are 2 answers
Lelechka [254]

Answer:

A)~ 2(x+2)=2x+14~(NO)

B)~14(x+3)=14x+42~(YES)

C)~14(x+5)=14x+70~(NO)

D)~7(2x+6)=14x+42~(YES)

E)~2(2x+20)=14x+40~(NO)

So,~ B ~and ~ D ~ are~ your ~ answers

<h3><u>---------------------------</u></h3><h3><u>hope it helps...</u></h3><h3><u>have a great day!!</u></h3>

4 0
3 years ago
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