3 years ago

9+6x=24 Solve for inequalities

Mathematics

2 answers:

m_a_m_a [10]3 years ago

8 0

Answer:

x= decimal from:2.5

Step-by-step explanation:

exact form:2/5

mixed number form:2 1/2

katrin2010 [14]3 years ago

3 0

X= 5 divided by 2. Subtract the 9 from the 24 and divide by the 6.

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3 years ago

How do u make 33 and one third a fraction

Alina [70]

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3 years ago

Read 2 more answers

The sample consisted of 50 night students, with a sample mean GPA of 3.02 and a standard deviation of 0.08, and 25 day students,

bulgar [2K]

Answer: The test statistic is t= -0.90.

Step-by-step explanation:

Since we have given that

n₁ = 50

n₂ = 25

$\bar{x_1}=3.02\\\\\bar{x_2}=3.04\\\\\sigma_1=0.08\\\\\sigma_2=0.06$

So, s would be

$s=\sqrt{\dfrac{n_1\sigma_1^2+n_2\sigma_2^2}{n_1+n_2-2}}\\\\s=\sqrt{\dfrac{50\times 0.08^2+25\times 0.06^2}{50+25-2}}\\\\s=0.075$

So, the value of test statistic would be

$t=\dfrac{\bar{x_1}-\bar{x_2}}{s(\dfrac{1}{n_1}+\dfrac{1}{n_2})}\\t=\dfrac{3.02-3.04}{0.074(\dfrac{1}{50}+\dfrac{1}{25})}\\\\t=\dfrac{-0.04}{0.074(0.02+0.04)}\\\\t=\dfrac{-0.04}{0.044}\\\\t=-0.90$

Hence, the test statistic is t= -0.90.

7 0

3 years ago

What is the solution to 31|-3x + 9|=-18

Kisachek [45]

Answer:

No solutions

Step-by-step explanation:

31 times any positive number cannot be a negative number.

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3 years ago

Find the total future amount for $500 invested at 3.35% for 4 years compounded monthly.

weeeeeb [17]

Answer:

$ 746.16

Step-by-step explanation:

MONTHLY interest = .0335/4

4 years = 48 months

500 ( 1 + .0335/4)^48 = 746.16

7 0

2 years ago