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3 years ago

Solve each inequality then graph the solution

Mathematics

1 answer:

Artist 52 [7]3 years ago

4 0

Answer:

a is x>3

b is _> x/4 +12

c is x>-3

Step-by-step explanation: hope this helps

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Each serving of the fruit soda she makes. Gabi has 2/3 cup of pineapple juice and 1/2 cup of cranberry juice. How many cups of f

Y_Kistochka [10]

Bro this guy is scamming

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3 years ago

A recent poll asked people whether they supported passing a constitutional amendment to ban burning of the national flag using a

Natalka [10]

Answer:

Step-by-step explanation:

Hello!

You are asked to test the difference of the population means of the opinion of men and women over a constitutional amendment to ban burning the national flag.

Population 1 (women)

Sample n₁= 400

X[bar]₁= 80.6

Population 2 (men)

n₂= 586

X[bar]₂= 77.6

σ₁= σ₂ = σ =3.5

To test whether there is a difference between the opinion of people about the amendment regarding their gender the hypothesis is:

H₀: μ₁ - μ₂ = 0

H₁: μ₁ - μ₂ ≠ 0

α: 0.05

The statistic to use is a pooled Z:

Z= (X[bar]₁ - X[bar]₂) - (μ₁ - μ₂) ~N (0;1)

σ*√(1/n₁ + 1/n₂)

The critical region for this hypothesis is two tailed:

$Z_{\alpha /2} = Z_{0.025} = -1.96$

$Z_{1-\alpha /2} = Z_{0.975} = 1.96$

Z= (X[bar]₁ - X[bar]₂) - (μ₁ - μ₂) = (80.6-77.6) - 0 = 13.215

σ*√(1/n₁ + 1/n₂) 3.5√(1/400 + 1/586)

Since the calculated Z-value is greater than the right critical value -81.96) the decision is to reject the null hypothesis. There is significant evidence to conclude that there is no difference between the population means of the opinion about the constitutional amendment to ban the burning of the national flag of women and men.

I hope it helps!

8 0

3 years ago

(IF ANSWERED CORRECTLY WILL GIVE BRAINLIEST)

ahrayia [7]

172 ÷ 4 = 43 miles per hour

43 ÷ 5 = 10.75 miles per 12 minutes

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3 years ago

What is the minimum value of the function g (2) = x2 - 6x – 12? -21 3+ V21 3 3-21

kirill [66]

Answer:

g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12? g (2) = x2 - 6x – 12?

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

The mean of a list of 80 numbers is 230. If four numbers 145,156,210, and 255 are added, what is the mean of the list of numbers

Likurg_2 [28]

The average mean is equal to the sum of numbers divided by the total numbers, which means that the mean of 230 with 80 numbers gives that the sum is 230*80 = 18400, if you apply the formula described in the beginning. Since 4 numbers are known and are 145,156,210, and 255, their sum is 766. The sum of the list is equal to the sum of the numbers without the sum of 4 known numbers, so it's equal to 18400 - 766 = 17634, from which we can see that the Mean = (Sum Of List)/(80 - 4)
= 17634/76
= 232.02

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3 years ago