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3 years ago

Which could be the name of a plane

Mathematics

1 answer:

Alja [10]3 years ago

8 0

B. could be a name for a plane!

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Which is the graph of f(x) = 1/4(4)^x?

Katen [24]

Answer:

The last graph with the point (2,4).

Step-by-step explanation:

Make a table of the values, then graph.

Example:

X: -2, -1, 0, 1, 2

Y: $\frac{1}{64}$ , $\frac{1}{16}$ , $\frac{1}{4}$ , 1, 4

5 0

3 years ago

In a survey of 5100 randomly selected T.V. viewers, 40% said they watch network news programs. Find the margin of error for this

horsena [70]

Answer:

Margin of error = 0.01344

Step-by-step explanation:

Margin of error = critical value × standard deviation.

critical value for 95% confidence interval = 1.96

Standard deviation = √[(p)(q)/n]

p = 0.4, q = 1 - p = 1 - 0.4 = 0.6, n = 5100

Standard deviation = √[(0.6×0.4)/5100] = 0.00686

Margin of error = 1.96 × 0.00686 = 0.0134

8 0

3 years ago

Smplify the expression: 5+6i/4+6i

skelet666 [1.2K]

The answer would be 5 + 15i/2.

1. 5 + 3i/2 + 6i

2. 5 + (3/2i + 6i)

3. 5 + 15i/2.

5 0

3 years ago

Word phrase for algebraic expression 15-1.5/d

Bingel [31]

Answer: 1.5 less than 15 is divided by a number d.

Step-by-step explanation:

6 0

3 years ago

Alice wanted to solve for x by getting rid if the +8. explain and correct Alice error

ra1l [238]

Answer: The value of x will be 2.

Step-by-step explanation:

To calculate the value of 'x' or solve for x, we need to isolate x from 8.

In the equation, 8 is in addition with 'x' so for isolating it, we need to apply the reverse operation of addition.

Reverse operation of addition is subtraction.

We need to subtract 8 from both sides of the equation, we get:

$x+8-8=10-8\\\\x=2$

By doing this, we get the value of 'x' as 2.

Error done by Alice was that she added 8 and it did not led to the isolation of 'x'.

4 0

3 years ago

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