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azamat
3 years ago
5

Please help ASAP with slopes and explain!!! I will mark brainliest if right!!!

Mathematics
1 answer:
stira [4]3 years ago
6 0

Answer:

d

Step-by-step explanation:

because a - b is minus 1. and a - b is plus 2. rise over run equals -1 / 2. ur welcome

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How much would it cost to buy 3 $13 battery packs and 3 $22 copper wires
Makovka662 [10]
It would cost $105 because if you do 13+13+13= 39
22+22+22= 66
66+39= 105.
6 0
2 years ago
Find the 9th term of the geometric sequence 6, -24, 96,
beks73 [17]

Step-by-step explanation:

the process is show in the above picture.

5 0
2 years ago
Tourism is extremely important to the economy of Florida. Hotel occupancy is an often-reported measure of visitor volume and vis
docker41 [41]

Answer:

Explained below.

Step-by-step explanation:

In this case we need to determine if there has been an increase in the proportion of rooms occupied over the one-year period.

(a)

The hypothesis can be defined as follows:  

<em>H</em>₀: The proportion of rooms occupied over the one-year period has not increased, i.e. <em>p</em>₁ - <em>p</em>₂ ≤ 0.  

<em>Hₐ</em>: The proportion of rooms occupied over the one-year period has increased, i.e. <em>p</em>₁ - <em>p</em>₂ > 0.  

(b)

The information provided is:

n₁ = 1750

n₂ = 1800

X₁ = 1470

X₂ = 1458

Compute the sample proportions and total proportions as follows:

 \hat p_{1}=\frac{X_{1}}{n_{1}}=\frac{1470}{1750}=0.84\\\\\hat p_{2}=\frac{X_{2}}{n_{2}}=\frac{1458}{1800}=0.81\\\\\hat p=\frac{X_{1}+X_{2}}{n_{1}+n_{2}}=\frac{1470+1458}{1750+1800}=0.825

(c)

Compute the test statistic value as follows:

Z=\frac{\hat p_{1}-\hat p_{2}}{\sqrt{\hat p(1-\hat p)\times [\frac{1}{n_{1}}+\frac{1}{n_{2}}]}}

   =\frac{0.84-0.81}{\sqrt{0.825(1-0.825)\times [\frac{1}{1750}+\frac{1}{1800}]}}\\\\=2.352

The test statistic value is 2.352.

(d)

The decision rule is:

The null hypothesis will be rejected if the p-value of the test is less than the significance level.

Compute the p-value as follows:

 p-value=P(Z>2.352)=1-P(Z

The p-value of the test is very small. The null hypothesis will be rejected at any significance level.

Thus, there enough evidence suggesting that there has been an increase in the proportion of rooms occupied over the one-year period.

7 0
2 years ago
NEED THE ANSWER ASAP PLEASE
BARSIC [14]

Answer:

y = 2x -8

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
I need help with geometry
Sveta_85 [38]

390

Step-by-step explanation:

v=(4/3)pi x r cubed. r= 1/2 diameter.

33.5x(4/3) pi cubed =radius. = 779.03270%2=389.51 about 390.

sorry if I'm wrong did it in my head.

4 0
2 years ago
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