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Mrac [35]
3 years ago
6

Can any one please help me to do this I really need help I don’t really know this if someone can help me please

Mathematics
2 answers:
Ksju [112]3 years ago
4 0
X= -2 is not the solution to the equation.

explanation: if you plug in -2 into -3–7, you get -1, and if you plug -2 into 5(x-1) you get -18.
mart [117]3 years ago
4 0

Answer:

No, the sides do not add up

Step-by-step explanation:

3*(-2)=-6

-6-7=-13, that's the left side.

5*(-2-1)=5*(-3)=-15

-13=/=-15

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if sally made 75$ in 5 hours of babysitting and andrea made 64$ in 4 hours of babysitting who has the higer unit rate and by how
Gwar [14]

Answer:

75/5=15

64/4=16

Andrea has a higher babysitting rate by $1

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Which table shows a proportional relationship between weight and price?
ch4aika [34]

Answer:

bottom right one

Step-by-step explanation:

4 0
3 years ago
In a​ state's pick 3 lottery​ game, you pay ​$1.33 to select a sequence of three digits​ (from 0 to​ 9), such as 288. if you sel
slega [8]

A. How many different selections are possible?

B. What is the probability of winning?

C. If you win, what is your net profit?

D. Find the expected value

Answer :

A. sequence of three digits​ (from 0 to​ 9). so 10 numbers.

We know 3 lottery games. So possible selections = 10^3 = 1000

B. Probability of winning = one outcome / total outcomes

P( winning) = \frac{1}{1000} = 0.001

c. Net profit = winning amount - paid amount

= 384.13 - 1.33 = $382.8

D. expected value

E(x) = net profit * winning probability - paid amount * lost probability

E(x) = 382.8 * 0.001 - 1.33 * 0.999 = -0.95

you expect to lose 95 cents per ticket.

8 0
3 years ago
Please help me I don’t understand!
MrMuchimi

Answer:

I provided a full answer and explaination in the picture attached. Good luck.

5 0
3 years ago
Harry is trying to solve the equation y = 2x2 − x − 6 using the quadratic formula. He has made an error in one of the steps belo
vlada-n [284]
The error made was in step two because you do not add 1 and 48, you subtract. this would result in "no solution" since you can't find the square root of a negative number
8 0
4 years ago
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