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2 years ago

Not sure how I would do this any buddy can help me

Mathematics

2 answers:

Serga [27]2 years ago

6 0

To check the relationship between the lines is to check their slopes.
The slope of WX is (5-(-3))/(-1-0)= 8/-1 = -8
The slope of YZ is (2-5)/(-1-2)= 1
The slopes are not equal nor are negative reciprocals of each other. That's why they are neither.

C. Neither

Hope this helps :)

Alinara [238K]2 years ago

4 0

I beilive the answer to that is niether.

hope this helped!

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What is the means-to-MAD ratio of the two data sets, expressed as a decimal to the nearest tenth?

Romashka [77]

To find the mean of a set, add up all of the data points and divide by the number of data points.
For the first set:
(14+18+21+15+17) ÷ 5 = 85 ÷ 5 = 17
For the second set:
(15+17+22+20+16) ÷ 5 = 90 ÷ 5 = 18

To find the MAD (mean absolute deviation) of a set, find the mean of the distances of each data point from the mean.
For the first set:
(3+1+4+2+0) ÷ 5 = 10 ÷ 5 = 2
For the second set:
(3+1+4+2+2) ÷ 5 = 12 ÷ 5 = 2.4

To find the means-to-MAD ratio of a set, divide its mean by its MAD.
For the first set:
17 ÷ 2 = 8.5
For the second set:
18 ÷ 2.4 = 7.5

3 0

3 years ago

Evaluate the expression if a = 4, b = 9, and c = 1.

uranmaximum [27]

Answer:

Given - a = 4

b = 9

c = 1

To find - Value of equation

Solution -

3b ÷ c^1 - a

Putting the value of a,b and c in the equation

3(9) ÷ (1)^1 - 4

27 ÷ 1 - 4

27 ÷ (-3)

27 × (1 /(-3)

27/(-3)

(-9)

3 0

2 years ago

Read 2 more answers

Ana and Jesse are scuba diving. Ana is 35 meters below the surface of the water, and Jesse is 8 meters directly below her. What

egoroff_w [7]

Answer:

The answer is 43 meters below the water.

Step-by-step explanation:

Ana is 35 meters below the water's surface, so if Jesse is 8 meters below her, you would add 8 to 35 and end up with 43 meters below the surface of the water.

4 0

2 years ago

Read 2 more answers

3) 8p + 7q= 43<br>2p-7=-q<br>I need to solve using substitution. thanks.

Veronika [31]

Answer:

p=1, q=5. (1, 5).

Step-by-step explanation:

8p+7q=43

2p-7=-q

------------------

q=-2p+7=7-2p

8p+7(7-2p)=43

8p+49-14p=43

8p-14p=43-49

-6p=-6

6p=6

p=6/6=1

2(1)-7=-q

2-7=-5=-q

q=5

4 0

2 years ago

a carnival game consists of 3 dart throws at a target. The probability of scoring a hit on any one throw is 30%. Using the binom

Ghella [55]

Answer: Probability of scoring 2 hits = 0.63.

Step-by-step explanation:

Since we have given that

Number of dart throws at a target = 3

Probability of scoring a hit on any one throw = 30%

We will use "Binomial Distribution" i.e.

$P=^nC_rp^r(1-p)^{n-r}$

where,

n denotes number of dart throws at a target,

r denotes number of required throws

p denotes probability of success

(1-p) denotes probability of failure

So, Probability of success is given by

$\frac{30}{100}=\frac{3}{10}$

Probability of failure is given by

$1-\frac{30}{100}=\frac{70}{100}=\frac{7}{10}$

We will use "Binomial Distribution" i.e.

$P(X=2)=^3C_2(\frac{3}{10})^2\times (\frac{7}{10})\\\\P(X=2)=\frac{9}{100}\times \frac{7}{100}\\\\P(X=2)=\frac{63}{100}\\\\P(X=2)=0.63$

Hence, Probability of scoring 2 hits = 0.63.

3 0

3 years ago