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Leona [35]
3 years ago
14

Instructions:Select the correct answer.

Mathematics
1 answer:
Taya2010 [7]3 years ago
4 0
Bro its D i got it right
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CAN you help me on this!!!!pls
Elanso [62]
GRETA :

75 + (45 x 1) = 120

$120

RICHARD :

You read it of the graph and it’s at $80

STEVE :

165 / 3 = 55

$55

Reasoning :

Greta earns the most money per hour as she earns $120 whereas everyone else earns under $100.
5 0
3 years ago
Read 2 more answers
7 1/2 times 3 1/4<br><br> Help me
Gre4nikov [31]

= 15/2 ( 13/4

= 195/8

= 24.3


I hope that's help !

8 0
3 years ago
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(CO 3) Sixty-five percent of employees make judgements about their co-workers based on the cleanliness of their desk. You random
Gekata [30.6K]

Answer:

The 0 and 1 outcomes would be considered unusual.

Step-by-step explanation:

We can define as usual outcomes, the ones that fall between \bar{x}\pm 3s.

According to a binomial distribution, s value is

s=\sqrt{n*p*(1-p)}\\s=\sqrt{8*0.65*(1-0.65)}\\s=\sqrt{1.82}=1.35

The expected value out of a 8 people sample is

\bar{x}=p*n=0.65*8=5.2\\

Then, our interval of usual values lies between

\bar{x}- 3s\leq x \leq \bar{x} +3s\\\\5.20-3*1.35\leq x \leq 5.20+3*1.35\\1.15\leq x \leq 9.25

We can conclude that 0 and 1 (the results that lie outside of the interval) are unusual.

6 0
3 years ago
If 3 times a certain number is increased by 4 the result is 28. What is the number?
Minchanka [31]
3x+4=28 because 3 times an unknown number was mentioned first and mentioned together so they will be together, increased by 4 is +4 and comes after, the result of is the same as equals so you put the equals sign and whatever number they gave after.
8 0
3 years ago
Use the substitution method to solve the system of equations. choose the correct ordered pair.
slamgirl [31]

Answer:

D

Step-by-step explanation:

Since both equations express y in terms of x, equate the right sides

- 2x + 11 = - 3x + 21 ( add 3x to both sides )

x + 11 = 21 ( subtract 11 from both sides )

x = 10

substitute x = 10 into either of the 2 equations for y

y = - 2x + 11 = - 20 + 11 = - 9

solution is (10, - 9) → D


3 0
4 years ago
Read 2 more answers
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