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andrew-mc [135]
3 years ago
9

Which is a valid conclusion that can be drawn from these statements?

Mathematics
1 answer:
photoshop1234 [79]3 years ago
5 0

Answer:

both statement have valid conclusions.

Step-by-step explanation:

A rhombus is a parallelogram with all sides equal.

A parallelogram has opposite angles congruent.

Therefore

both statements have valid conclusions.

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What is the vertex of the graph of f(x) = x2 + 10x - 9? A) (-5, -34) B) (-5, -9) C) (5, -9) D) (5, 66)
sukhopar [10]

Answer:

A) (-5, -34)

Step-by-step explanation:

f(x) = x^2 + 10x - 9

We complete the square to get the equation in vertex form

Take the coefficient of the x term and divide by 2 then square it.  We add it and then subtract it not to change the value of the equation

f(x) = x^2 + 10x +(10/2)^2 - (10/2)^2 - 9

f(x) = x^2 +10x +25 -25 -9

f(x) = (x^2 +10x +25) -34

The term in parentheses simplified to (x+10/2) ^2

     = (x+5)^2 -34

   = (x - -5)^2 -34

This is in the form (x-h)^2 +k

The vertex is (h,k)  h=-5 and k=-34

(-5,-34)

4 0
3 years ago
Read 2 more answers
a) The population consists of all 250 students in your large statistics class. You plan to obtain a simple random sample of 30 s
sattari [20]
There is three sampling frame of students that cannot be sampled in the next Monday. This is Students who are skipping class cannot be sampled, Students who are on a school trip cannot be sampled, and Students who are out sick cannot be sampled.
5 0
3 years ago
After dans holiday. Dan has 50 new email messages in his inbox . 13 of them are attachements. what proportion of the email messa
dimulka [17.4K]

Answer:

26%

Step-by-step explanation:

Given that Dan has 59 new email messages and 13 have attachment then the proportion that have attachments may be expressed as a ratio of the number with attachments to the total number of emails.

Hence proportion of the email messages have attachments as a percentage

= 13/50 * 100%

= 26%

This means that 26% of the emails received have attachments

6 0
3 years ago
ILL BRAINLIEST YOU PLEASE HELP ME
liubo4ka [24]
15.8 I believe. Since 20 isn’t a option 15 is the closest. Good luck I have good faith I have you the right answer
8 0
3 years ago
Expand -8 to the 3rd power
BigorU [14]
Use a calculator lollll
8 0
3 years ago
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