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OleMash [197]
3 years ago
12

What is a valid inference? Use the drop-down menus to explain your answer. A valid inference is one that is true about the (samp

le, data example, or population) based on a (data point, whole population, representative sample, or single example.) Pick one of the choices in the parentheses for both questions.
Mathematics
1 answer:
anyanavicka [17]3 years ago
8 0

Answer: sample and representative sample

Step-by-step explanation:

Inference is used to draw

logical conclusions, when that conclusion is true it said to be a valid inference. Example a character has a cutlass, pesticides and bulldozer. What this infer is the character is a farmer. The samples are his tools used for the job ( cutlass , pesticides and bulldozer). and what this samples represent is a farmer.

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What is the solution to log Subscript 5 Baseline (10 x minus 1) = log Subscript 5 Baseline (9 x + 7) x = six-nineteenths x = eig
KiRa [710]

Answer:

x=8

Step-by-step explanation:

on edge

5 0
4 years ago
Read 2 more answers
2. Describe how to use the conjugate to divide 2 − i by 3 + 2i, and then find the quotient.
DaniilM [7]

Answer:

\frac{4}{13}-\frac{7}{13}i

Step-by-step explanation:

\frac{2-i}{3+2i}

Multiply and divide by the conjugate.

The conjugate is the denominator with the sign of the complex number the opposite of the denominator.

\frac{2-i}{3+2i}\frac{3-2i}{3-2i}\\ =\frac{2\times (3-2i)-i\times (3-2i)}{3^2-(2i)^2}\\ =\frac{6-4i-3i+2i^2}{9+4}\\ =\frac{4-7i}{13}\\ =\frac{4}{13}-\frac{7}{13}i

Quotient = \frac{4}{13}-\frac{7}{13}i

7 0
3 years ago
A scale on a map shows that 2 inches = 25 miles.
Simora [160]
A:
2 inches - 25 miles
x inches - 60 miles

Set up a proportion:
\frac{2}{25} = \frac{x}{60} \\ \\
\frac{2}{25} \times 60=x  \\ \\
\frac{120}{25}=x \\ \\
x=4.8

4.8 inches on the map represent 60 miles.

B:
2 inches - 25 miles
1/4 inches - x miles

Set up a proportion:
\frac{2}{25}=\frac{\frac{1}{4}}{x} \\ \\
\frac{2}{25}x=\frac{1}{4} \\ \\
x=\frac{1}{4} \times \frac{25}{2} \\ \\
x=\frac{25}{8} \\ \\
x=3.125

3.125 miles are represented by 1/4 inches on the map.
4 0
3 years ago
Read 2 more answers
Which iS an equation of the line with a slope of 1/4 and a y-intercept of -2?
qaws [65]

Answer: C

Step-by-step explanation:

Convert all equations into slope-intercept form, the equation must have a slope of 1/4 and a y-intercept of -2

A) x + 4y = -8

4 ÷ (4y = - x - 8) ÷ 4

y = -1/4x - 2 --> Not the correct equation because slope is negative

B) 4x - y = 2

-1 ÷ (- y = 2 - 4x) ÷ -1

y = 4x - 2 --> Not the correct equation as the slope is not a fraction

C) x - 4y = 8

-4y = 8 - x

-4 ÷ (x - 4y = 8) ÷ -4

y = 1/4x - 2 --> Therefore, C is the correct equation

5 0
2 years ago
George has 4 pounds of ham to make 16 sandwiches. He puts the same amount of ham on each sandwich. Which statement about George’
goldenfox [79]
Each Sandwich has one fourth pound of ham. 4 divided by 16 equals 1/4
5 0
2 years ago
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