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Rom4ik [11]
2 years ago
6

Solve the inequalties, if possible, and graph. 2t + 10 > 2(4t + 4).

Mathematics
2 answers:
weeeeeb [17]2 years ago
5 0
2t+10<span> > 8t+8
-2t from both sides

10</span><span> > 6t+8
-8 from both sides

2</span><span> > 6t
</span>÷6 both sides
<span>
1/3</span><span> > t</span>
USPshnik [31]2 years ago
4 0
So will be 

2t +10 > 8t +8

2 > 6t

t < 2/6

t < 1/3 

hope this will help you 
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What is the slope of the graph y = -25x - 42?​
sweet [91]
-25x is the slope
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5 0
2 years ago
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Pls Help asap
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Answer:

1. Q1=7 Q3=12 IQR=5

2. Q1=8 Q3=33 IQR=25

3. Q1=4.5 Q3=10 IQR=5.5

Step-by-step explanation:

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3 0
2 years ago
Wright et al. [A-2] used the 1999-2000 National Health and Nutrition Examination Survey(NHANES) to estimate dietary intake of 10
xxMikexx [17]

Complete question :

Wright et al. [A-2] used the 1999-2000 National Health and Nutrition Examination Survey NHANES) to estimate dietary intake of 10 key nutrients. One of those nutrients was calcium in all adults 60 years or older a mean daily calcium intake of 721 mg with a standard deviation of 454. Usin these values for the mean and standard deviation for the U.S. population, find the probability that a randonm sample of size 50 will have a mean: (mg). They found a) Greater than 800 mg b) Less than 700 mg. c) Between 700 and 850 mg.

Answer:

0.10935

0.3718

0.9778

0.606

Step-by-step explanation:

μ = 721 ; σ = 454 ; n = 50

P(x > 800)

Zscore = (x - μ) / σ/sqrt(n)

P(x > 800) = (800 - 721) ÷ 454/sqrt(50)

P(x > 800) = 79 / 64.205295

P(x > 800) = 1.23

P(Z > 1.23) = 0.10935

2.)

Less than 700

P(x < 700) = (700 - 721) ÷ 454/sqrt(50)

P(x < 700) = - 21/ 64.205295

P(x < 700) = - 0.327

P(Z < - 0.327) = 0.3718

Between 700 and 850

P(x < 850) = (850 - 721) ÷ 454/sqrt(50)

P(x < 850) = 129/ 64.205295

P(x < 700) = 2.01

P(Z < 2.01) = 0.9778

P(x < 850) - P(x < 700) =

P(Z < 2.01) - P(Z < - 0.327)

0.9778 - 0.3718

= 0.606

3 0
2 years ago
Lenny rolls two number cubes. What is the probability that the sum of the numbers Lenny rolls is either 4 or 7?
Mashutka [201]

Probability of an event =


(number of ways the event can happen) / (total number of possible outcomes) .


Well, the total number of possible outcomes is easy. It's


(6 possibilities for the first cube) x (6 possibilities for the 2nd cube)


= 36 total possible ways for two cubes to roll.


Now, how many of those possibilities show either 4 or 7 ?


Well, here's how a 4 can come up:


1 . . . 3

2 . . . 2

3 . . . 1


and here's how a 7 can come up:


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2 . . . 5

3 . . . 4

4 . . . 3

5 . . . 2

6 . . . 1 .


So there are 9 ways all together for Lenny to be successful.


The probability is (9/36) .


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7 0
3 years ago
Read 2 more answers
Which are possible lengths of the sides for a triangle?
icang [17]

Answer:

D

Step-by-step explanation:

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4 0
3 years ago
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