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3 years ago

8

What is the value of c such that

lt="x^{2}+14x+c" align="absmiddle" class="latex-formula"> is a perfect-square trinomial?

2 answers:

Alex73 [517]3 years ago

5 0

Your answer will be 49

suter [353]3 years ago

3 0

Answer:

49

Step-by-step explanation:

To find the 'c' value c=(b/2) to the second power. divide the coefficient of x by 2 and square the result.

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A pattern has 38 black squares to every 24 red squares. What is the ratio of black squares to red squares?

Nostrana [21]

Answer:

Step-by-step explanation:

38/24=19/12

6 0

1 year ago

Read 2 more answers

4/3 of 21, 2/3 of 21

nikdorinn [45]

of means multiply

4/3 x 21/1

= 84/3

= 28

2/3 x 21/1

=42/3

= 14

3 0

3 years ago

Slove for v<br> 8(v-4)+7v=-2

Butoxors [25]

8(v−4)+7v=−2

(8)(v)+(8)(−4)+7v=−2

8v+−32+7v=−2

(8v+7v)+(−32)=−2

15v+−32=−2

15v−32=−2

Add 32 to both sides.

15v−32+32=−2+32

15v=30

Divide both sides by 15.

15v/15=30/15

v = 2

6 0

3 years ago

Read 2 more answers

When using the Poisson distribution, which parameter of the distribution is used in probability computations? What is the symbol

egoroff_w [7]

Answer:

The Poisson distribution uses the shape parameter denoted by <em>λ</em>.

Step-by-step explanation:

A Poisson distribution is used to describe the distribution of the number of events that take place in a fixed interval of time.

For instance, number of customers arriving at a bank in an hour or the number of typos encountered in a book every 50 pages.

The Poisson distribution uses the shape parameter to compute the probabilities of different events.

The shape parameter is defined as the average number of occurrence in a given time interval. It is usually denoted by <em>λ</em>.

The probability mass function of a Poisson distribution is:

$P(X=x)\frac{e^{-\lambda}\lambda^{x}}{x!};\ x=0,1,2,3...$

7 0

2 years ago

If you can't figure out all of them that's fine Im good with 2 being answered

azamat

Answer:

9. He doesn't owe her anything back,since he already paid it in full price

10. >:((

11. She is 1.5 meters below sea level

12. She took $75.15 out of her account

Step-by-step explanation:

8 0

3 years ago