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Dmitry_Shevchenko [17]
2 years ago
7

Given that f(x) = x² +8x+3 and g(x) = -x-7, which of the following is true?

Mathematics
1 answer:
Valentin [98]2 years ago
4 0
B and C make sense to me.
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Rewrite each fraction with a denominator of 10 7/2=? 3/5=?​
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The answer is 35/10 and 6/10
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1. find the sum of the measures of exterior angles, one at each vertex, of an octagon.
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For #1, C. 1080, For #2, B. 7, For #10, I think its because of the reflexive property (honestly, Google it just to be safe) , And for #11, A Rhombus, Having trouble remembering why but I know its not a rectangle or square.

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3 years ago
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find the equation of a line through the coordinate (3,6) and parallel to the line represented by y=5/3 x-1
maw [93]

Slope-intercept form:

y = mx + b

"m" is the slope, "b" is the y-intercept (the y value when x = 0 or (0,y))


For lines to be parallel, their slopes have to be the SAME.


The given line's slope is 5/3, so the parallel line's slope is also 5/3

y = 5/3x + b

To find "b", plug in the point (3,6) into the equation

y = 5/3x + b

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y = 5/3x + 1

5 0
3 years ago
Jonny has 2 1/2 cupcakes and 1/4 of friends How much will each friend get
CaHeK987 [17]

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hope this helps!

4 0
3 years ago
Which statement about stratified random sampling is true? A stratified random sample is a combination of simple random samples s
babunello [35]

Answer:

A. A stratified random sample is a combination of simple random samples selected from each of several strata.

Step-by-step explanation:

In Statistics, sampling can be defined as a process used to collect or select data (objects, observations, or individuals) from a larger statistical population using specific procedures.

There are various types of sampling used by researchers and these are;

1. Random sampling.

2. Convenience sampling.

3. Systematic sampling.

4. Cluster sampling.

5. Stratified sampling.

Stratified random sampling can be defined as a method of sampling that involves dividing a population into smaller groups known as strata.

In stratified random sampling, the strata are formed based on member's shared characteristics (e.g female or male, occupation, education) or attribute (e.g black or white).

<em>Hence, the statement about stratified random sampling which is true is that, a stratified random sample is a combination of simple random samples selected from each of several strata. </em>

8 0
3 years ago
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