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3 years ago

3.

Mathematics

1 answer:

creativ13 [48]3 years ago

7 0

Answer:

D. y = 2^x + 1 + 2

Step-by-step explanation:

not seeing the graph, y = 2x goes through the origin with a slope of +2.

if the line is on the positive side then your answer is "y=2^x+1 +2"

if the line is on the negative side your answer is "y=2^x-1 +2"

Positive always goes with positive

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Someone's quiz grades in the second quarter. (78, 90, 95, 84, 80, 82, 87, 98, 72 ) Find the Median.

jeka57 [31]

Step-by-step explanation:

I believe the answer is 80 cuz it's in the middle

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3 years ago

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Find the 76th term of the arithmetic sequence 17 19 21

OLga [1]

Answer:

167

Step-by-step explanation:

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3 years ago

Bob is trying to calculate the area of a triangle with a base of 5 meters and a height of 7 meters. He mistakenly switches the h

ehidna [41]

Answer:

see below

Step-by-step explanation:

A = 1/2 b*h

A = 1/2 (5*7)

We can use the commutative property of multiplication which states

a*b = b*a

A = 1/2 (7*5)

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3 years ago

Someone plz answer this for me

pishuonlain [190]

Answer:

Step-by-step explanation:

D= $\sqrt{(1-(-5))^2+(4-(-4)^2}$

D= $\sqrt{6^2+8^2}$

D= $\sqrt{36+64}$

D= $\sqrt{100}$

D=10

3 0

3 years ago

I really need help!!!

Zigmanuir [339]

Answer:

$Pr = 6.67\%$

Step-by-step explanation:

Given

$n = 10$ i.e. 10 people

Required

Probability of being next to each other

First, we calculate the total possible arrangements (without any restriction)

$Total = n!$

$Total = 10!$

If the three are to be next to each other,

First, we arrange the three

$r_1 = 3!$

Now, the 3 will be seen as 1; so, we have a total of 8 people i.e. (1 + 7 others)

The arrangement is:

$r_2 =8!$

So, the total arrangement, when they have to be next to one another is:

$r = r_1 * r_2$

$r = 3! * 8!$

The probability is:

$Pr = \frac{r}{n}$

$Pr = \frac{3! * 8!}{10!}$

Expand

$Pr = \frac{3*2*1 * 8!}{10*9*8!}$

$Pr = \frac{3*2*1}{10*9}$

$Pr = \frac{6}{90}$

$Pr = 0.0667$

Express as percentage

$Pr = 0.0667 * 100\%$

$Pr = 6.67\%$

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3 years ago