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3 years ago

Use the slopes to describe each line as slanting downward, slanting upward, horizontal, or vertical. explain your answer.

Mathematics

1 answer:

Phoenix [80]3 years ago

7 0

Step-by-step explanation:

The slope of 3 and -10.

If the slope is above 0, the line is increasing.

If the slope is at 0, it's a horizontal line or straight. Vertical If the run is 0.

If the slope is below 0, the line is decreasing.

3 is slanting upward, the slope is greater than 0 therefore the line is increasing.

-10 is slanting downward, the slope is less than 0 therefore the line is decreasing.

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Someone please help me with this question 8.62 – (0.25 x 4.1)

Contact [7]

Answer:

7.595

Step-by-step explanation:

Use PEMDAS

So if we know we need to use the parenthesis first since P stands for parenthesis

So solve (0.25 x 4.1) first.

(0.25 x 4.1) =1.025

We know that (0.25 x 4.1) =1.025 so we plug in 8.62-1.025

When subtracted we get the answer of 7.595

3 0

3 years ago

Read 2 more answers

(HMMT Combo 2009) Two jokers are added to a 52 card deck and the entire stack of 54 cards is shuffled randomly. What is the expe

myrzilka [38]

The expected number of cards from the card deck that will be strictly between the two jokers is $\frac{52}{3}$ .

The most popular deck of cards used today is a normal 52-card deck of French-suited playing cards. [a] It is the only standard pack[b] used for playing cards in English-speaking nations; but, in many other nations throughout the world, it is used alongside other traditional, frequently older, standard packs with various suit systems, like those with German-, Italian-, Spanish-, or Swiss suits. The English pattern pack is the only one widely accessible in Britain and America and the most popular pattern of French-suited cards globally. The Belgian-Genoese pattern, which was created in France but is also used widely in Spain, Italy, the Ottoman Empire, the Balkans, and much of North Africa and the Middle East, is the second most popular.

Let all pairs of the positions (m,n) of the jokers are equally likely

$P[0]=P[|m-n|=1]=\frac{53}{\left(\begin{array}{c}54 \\2\end{array}\right)}=\frac{2}{27}$

$P[1]=P[|m-n|=2]=\frac{52}{\left(\begin{array}{c}54 \\2\end{array}\right)}=\frac{104}{1431}$

$P[k]=P|m-n|=k+1=\frac{54-k-1}{\left(\begin{array}{c}54 \\2\end{array}\right)}$

the expected value will be

$\begin{array}{l}\sum_{k=1}^{52} \frac{54-k-1}{\left(\begin{array}{c}54 \\2\end{array}\right)} k \\=\frac{1}{1431}\left(\sum_{k=1}^{52} 53 k-k^{2}\right) \\=\frac{1}{1431}\left(\frac{53}{2}(52)(53)-\frac{1}{6}(52)(53)(105)\right)\\=\frac{52}{3}\end{array}$

Therefore, the expected number of cards that will be strictly between the two jokers is $\frac{52}{3}$ .

To learn more about card deck from the given link:

brainly.com/question/13477028

#SPJ4

5 0

2 years ago

Help please<br>1)-2<br>2)2<br>3)-1<br>4)1

fomenos

The slope would be -2 because the graph is going down and from the y-intercept (0-2), it is going 2 units down and 1 unit right.

3 0

3 years ago

Which statement describes the daily motion of the moon?

vladimir1956 [14]

hi again uwu

Answer: i know that the moon rises in the east, and takes 27 1/3 days to go around the earth....

Step-by-step explanation:

because every time Earth spins around once the moon moves about 13 degrees east along its orbit.Thus, the Earth must rotate an extra 13 degrees more each day for a point on its surface to be roughly under the moon again. since earth takes about 50 minutes to spin 13 degrees the moon rises about 50 minutes later each day and sets about 50 minutes later too.

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3 years ago

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Ms.Cornick bought 6 new pens for $5.70. How much would it cost her to buy 11 pens at the same rate?

UNO [17]

Answer:

about 11.50

Step-by-step explanation:

6 / 5.70 = 1.05

1.05 x 11

hope this helps

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3 years ago