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Drupady [299]
3 years ago
5

Find the difference. Write your answer in simplest form. 7/10- 1/4

Mathematics
1 answer:
Mila [183]3 years ago
3 0

Answer:

1/2

Step-by-step explanation:

Convert these into decimals. (This is one of many ways to go about this.)

.7 - .25 = .5

.5 = 1/2

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A test is made of H subscript 0 colon space mu space equals space 43 space space v e r s u s space space H subscript 1 colon spa
sweet [91]

Answer:

The calculated value Z = 1.39 <1.96 at 0.05 level of significance

The null hypothesis is accepted

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given that the mean of the Population = 43

Given that the mean of the sample = 47

Given that the standard deviation of the Population = 25

Given that the sample size 'n' = 76

<u><em>Step(ii):-</em></u>

<u><em>Null hypothesis:H₀: μ = 43</em></u>

<u><em>Alternative Hypothesis: H₁: μ ≠ 43</em></u>

Test statistic

           Z = \frac{x^{-}-mean }{\frac{S.D}{\sqrt{n} } }

          Z = \frac{47-43 }{\frac{25}{\sqrt{76} } }

          Z = 1.39

Level of significance = 0.05

The critical value = 1.96

<u><em>Final answer:-</em></u>

<em>The calculated value Z = 1.39 <1.96 at 0.05 level of significance</em>

<em>The null hypothesis is accepted </em>

4 0
3 years ago
What are the chances of randomly selecting an odd number from the numbers 1-16?
jok3333 [9.3K]

Answer: 8/16

Step-by-step explanation: Half of the numbers are odd, half of the others as even, so 8/16, which is half of the numbers.

5 0
3 years ago
Read 2 more answers
• What is the constant term in the expression 3x + 11?
Vinvika [58]

Answer:

11

Step-by-step explanation:

A constant term in an expression or equation contains no variables. In other words, it’s just number on its own. For example: f (x) = 2x2 + 3 (the constant term is 3). Other examples of constant terms: 5, -99, 1.2 and pi (π = 3.14…).

7 0
2 years ago
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How do you graph the function g(x)
Verizon [17]
Lightly draw a vertical line at -3 (x= -3 is the divider) on the left side graph x + 1, on the right side graph 1/2x + 2. 
because these equations don't match up at the -3 coordinate, you have to draw an open (not colored in) circle at the beginning at the 1/2x-2 equation
6 0
3 years ago
6.5yd and 11yd<br> please find the area
Afina-wow [57]
Multiply length times width to find the area. 6.5x11= 71.5
3 0
3 years ago
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