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Gekata [30.6K]
3 years ago
6

PLEASE HELP ASAP!!! 98 POINTS FOR ONE MULTIPLE CHOICE QUESTION!!! I DO NOT HAVE PICTURES BUT ANYONE IN FLVS PLEASE ANSWER!!!

Mathematics
2 answers:
Rufina [12.5K]3 years ago
6 0

The Answer is:

B - (4, 5)

sladkih [1.3K]3 years ago
5 0

y = −2x + 13


y = 2x − 3


Set the equations to equal and solve for x:

-2x + 13 = 2x -3

Add 2X to each side:

13 = 4x -3

Add 3 to each side:

16 = 4x

Divide both sides by 4:

x = 16/4

x = 4


Now replace x with 4 in one of the equations and solve for y:


y = -2(4) +13

y = -8 +13

y = 5


x = 4 and y = 5 , which is the ordered pair (4,5)

Both numbers are positive values, so the second graph is correct.

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An F5 tornado is classified as having mean wind speeds greater than 261 mph. In an effort to classify a recent tornado, 20 wind
mina [271]

Complete Question

An F5 tornado is classified as having mean wind speeds greater than 261 mph. In an effort to classify a recent tornado, 20 wind speed measurements were randomly selected from within the path of the tornado. Suppose the mean wind speed for this tornado really is greater than 261 mph with a sample standard Deviation 41.09 mph. Based on the data, if we fined little to no evidence against the null hypothesis that the mean wind speed is 261 mph, we have made _______________.

Answer:

P-value=0.3322

Step-by-step explanation:

From the question we are told that:

Sample size n=20

Population mean N=261  

Sample mean \=x= 265.1  

Sample standard deviation \sigma=41.09    

Generally the equation t test statistics is mathematically given by

t=\frac{\=x-\mu}{\frac{s}{\sqrt{n} } }

t=\frac{265.1-261}{\frac{41.09}{\sqrt{20} } }

t=0.446

Therefore

Pvalue from table is

P-value=0.3322

6 0
3 years ago
A video game that usually costs $30.65 is marked down 60%. Kelvin determined that the new price of the game would be $18.39. Loo
Masteriza [31]

Answer:

Kelvin’s error is that when he got the final result, that was the amount that was marked down. He still needed to find the price after the original price was marked down by that number wich in this case is $18.39. So using one of his steps, 30.65(0.6)=18.39. We can subtract 30.65 (original price) and 18.39 (mark down price). You’d get 11.26 dollars as the final price.

7 0
3 years ago
Katie wants to buy some popcorn for her family at the theater. Each small tub of popcorn costs $3 and each large tub of popcorn
Ksivusya [100]

The correct solution is shown in the graph (D)

Given that the budget is $24 and the minimum is 7 tubs, the fourth graph shows the area in which both constraints are satisfied: triangular area between the points

7 small tubs

8 small tubs

3 large and 4 small tubs

7 0
3 years ago
Read 2 more answers
How do I round 2.327 to the nearest tenth??
NikAS [45]
2.327\approx2.3
5 0
3 years ago
Read 2 more answers
Please help me with these​
Charra [1.4K]

Hope you could understand.

If you have any query, feel free to ask.

8 0
2 years ago
Read 2 more answers
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