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2 years ago

Which inequality is true when x = 4?

2 answers:

6 0

Answer is B. Is true

Which inequality is true when x = 4?

A. X+5<_3

✅B.x/2<3. 4/2 is less than 3 is true!

c.9x>36

D.18<_-8

daser333 [38]2 years ago

4 0

Answer:

$\sf{b. \frac{x}{2}$

step by step explanation:

We will try one by one.

A. x + 5 < 3

Step 1. Subtitution Value of x

= 4 + 5 < 3

Step 2. Add by 4 with 5

= 9 < 5

A is wrong because 9 is bigger then 5

B. x/2 < 3

= 4/2 < 3

= 2 < 3

is true because 2 is smaller than 3

C. 9x > 36

9(4) > 36

36 > 36

is wrong, should 36 = 36

D. 18 < 8

is wrong because 18 is bigger than 8

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Lucky Charms are sold in boxes with an advertised mean weight of 20.5 oz. The standard deviation is known to be 2.25 oz. A consu

Alinara [238K]

Answer:

Set of hypothesis.

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 20.5 oz

Sample mean, $\bar{x}$ = 20.4 oz

Sample size, n = 50

Population standard deviation, σ = 2.25 oz

First, we design the null and the alternate hypothesis

$H_{0}: \mu = 20.5\text{ oz}\\H_A: \mu < 20.5\text{ oz}$

We use One-tailed z test(left tailed) to perform this hypothesis.

Formula:

$z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }$

Putting all the values, we have

$z_{stat} = \displaystyle\frac{20.4 - 20.5}{\frac{2.25}{\sqrt{50}} } = -0.3142$

Based on the significance level, we can make our decision and complete the hypothesis testing.

We may accept the null hypothesis or fail to accept depending on different significance level.

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4 years ago

HELP WILL GIVE BRANLIEST! No links!!!!

kompoz [17]

Answer:

5.66

Step-by-step explanation:

c^2= a^2 plus b^2

c^2 = 16 plus 16

c^2 = 32

c = 5.6568

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3 years ago

A greenhouse room at the botanical garden is in the shape of a hemisphere the height at the center of the dome is 24 feet what i

Montano1993 [528]

Answer:

Hope this helped!

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3 years ago

Does anyone know the answer to K+13=2+17

Sveta_85 [38]

<h3>Hello there!</h3><h3>Explanation:</h3>

In this case, you would be solving for K.

K + 13 = 2 + 17

- 13 - 13

K = -13 + 2 + 17

Combine all the like terms (add and subtract)

K = -13 + 2 + 17

K = -11 + 17

K = 6

When you see questions like this, you would want to get the variable (K) by itself.

<h3>I hope this helps!</h3><h3>Best regards,</h3><h3>MasterInvestor</h3>

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3 years ago

two long books containing a total of 2400 pages have a ratio of 3 pages to 5 pages. how may pages are in each book?

Olegator [25]

Answer:

Here you go.

STAY SAFE, GOD BLESS YOU :)

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4 years ago