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blsea [12.9K]
3 years ago
14

Which statement about 3(x2 – 4) is true?

Mathematics
2 answers:
daser333 [38]3 years ago
5 0
What are the different statements
barxatty [35]3 years ago
4 0
The 3, the brackets, and the negative 4
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Tshshjnmdmsmmjnnnnbbbbbbnnnxnxjmkskkmfkdkd
JulsSmile [24]

Answer:

correct.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Find the number, 112/ 100 of it is 56
Alinara [238K]
First let that number be y.
List the equation by the given info.
y x 112/100 = 56
Shift y to the other side by turning it to ÷y.
112/100 = 56/y
Use cross method,
100 x 56 = 112y
5600 = 112y
y = 50
Therefore that number is 50
6 0
3 years ago
Convert the radian measure to degrees. (Round to the nearest hundredth when necessary): 7π/3
Ierofanga [76]

Answer:

400 degrees

Step-by-step explanation:

Step 1 : To convert radians to degrees, multiply the given radian by 180/pi

7pi/3 x 180/pi

Step 2 : Cancel pi

7/3 x 180

= 420 degrees

Step 3 : Round it to nearest 100

Since 20 is closer to 400 than 500 therefore it will be rounded off to

400 degrees

!!

6 0
3 years ago
Read 2 more answers
An Item priced at $776 has a sales tax of $48.50. Find the sales tax rate expressed as a percent.
amid [387]
48.50/776 = .0625 or 6.25%
6 0
2 years ago
Read 2 more answers
An industrial psychologist consulting with a chain of music stores knows that the average number of complaints management receiv
vova2212 [387]

Answer: See explanation

Step-by-step explanation:

1. Use the five steps of hypothesis testing.

Step 1: The aim of the research is to conduct the five steps of hypothesis testing.

Step 2:

Null hypothesis: H0 u= 4

Population mean: H1 u = 4

Alternate hypothesis: u ≠ 4

Population mean: u ≠ 4

Step 3 and step 4 are attached.

Step 5: Based on the calculation, the calculated value of t is less than the t critical value, therefore, the null hypothesis will be failed to be rejected.

2. Sketch the distributions involved

This has been attached.

3. Explain the logic of what you did to a person who is familiar with hypothesis testing, but knows nothing about t tests of any kind.

The distribution is "t".

The means is tested by using T-test.

Chi-square is used to test the single variance.

8 0
2 years ago
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