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Sidana [21]
3 years ago
12

Which figure must be a rhombus?

Mathematics
2 answers:
Anna71 [15]3 years ago
7 0
The answer is letter choice B
Natalka [10]3 years ago
4 0
B. a parallelogram with four congruent sides
because a rhombus has four sides and theyre all congruent
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Suppose an automobile manufacturer designed a radically new lightweight engine and wants to recommend the grade of gasoline that
MissTica

Answer:

4.07

Step-by-step explanation:

The sample size is 12. The number of treatments is 4. Thus, the degrees of freedom associated with the sum of square error is 8 which is sample size minus number of treatments. The degree of freedom is 3 which is number of treatments minus 1. The theoretical F value is determined by entering the F table (pp.723-24) at 3 degrees of freedom for the numerator and 8 degrees of freedom for the denominator for the level of significance given which in this case is 0.05.

4 0
3 years ago
Please help i really need it!! picture below!
Shalnov [3]

Answer:

its d

Step-by-step explanation:

-9/4= -2 1/4 and -2 1/4 is to the left of -2 so its d

4 0
2 years ago
If the graph passes the horizontal-line test, then the function is one-to-one. Functions that are one-to-one have inverses that
seropon [69]

Based on the sample response given, the statements included in the explanation on the horizontal line test are:

  • a reference to the horizontal-line test.
  • a statement that the function is one-to-one.
  • inverse is a function.

<h3>What is the horizontal-line test?</h3>

The horizontal line test is used to not only find out if a graph has an inverse function, but also if that inverse is also a function itself.

To pass the horizontal line test, the function has to be one-to-one which means that a horizontal line can intersect the graphed function at one point in all places. If this happens, then there is an inverse and the inverse itself is a function.

Find out more on the horizontal line test at brainly.com/question/11471811

#SPJ1

4 0
1 year ago
Divide each of the following by 10, 100, and 1000: 67.8, 456.8, 531.20.
Inessa05 [86]
67.8: 6.78, 0.678, 0.0677
456.8: 45.68, 4.568, 0.4568
531.20: 53.12, 5.312, 0.5312
The pattern here is that the number of 0s there are in the digit of whatever you are dividing by, that is how many places you move the decimal place to the right. For example, by dividing 67.8 by 100, the decimal place has been moved 2 places to the right, resulting in the number 0.678
6 0
3 years ago
What are the solutions of 3x2 - x + 4 =
o-na [289]

To do this, you must use the order of operations.

3·2=6

6+4=10

Now to solve (-)x.

Since -x comes in front of 4, you must make your equation:

-x+10

Nothing is written for x, so now, you have the answer.

-x+10

8 0
3 years ago
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