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Tasya [4]
3 years ago
14

What is the area of the triangle? 13 5 12 ​

Mathematics
1 answer:
andrey2020 [161]3 years ago
8 0

Answer:29

Step-by-step explanation:

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Jannelle can drive an average of 295 miles on one tank of gas. How many miles can she drive on 16 tanks of gas?
Oksana_A [137]

Jannelle could go 4,720 miles hope this helps

7 0
3 years ago
Which table describes the behavior of the graph of f(x) = 2x3 – 26x – 24?
In-s [12.5K]

Answer:

For x∈ {-∞,-3} y<0, below x-axis

x∈ {-3,-1} y>0, above x-axis

x∈ {-1,4} y<0, below x-axis

x∈ {4,∞} y>0, above x-axis

Step-by-step explanation:

f(x)=2x^{3}-26x-24

2x^{3}-26x-24=0

2x^{3}-26x-24=0\\2x^{3}-2x-24x-24=0\\2x(x^{2} -1)-24(x+1)=0\\2x(x+1)(x-1)-24(x+1)=0\\(x+1)(2x^{2} -2x-24)=0\\=> x+1=0 => x_{1}=-1\\

=> 2x^{2} -2x-24=0\\=>2(x^{2} -x-12)=0\\=> x^{2} -x-12=0\\=> x^{2} -4x+3x-12=0\\=> x(x-4)+3(x-4)=0\\=> (x-4)(x+3)=0\\

=> x-4=0\\=> x_{2}=4\\=> x+3=0\\=>x_{3}=-3\\

For x∈ {-∞,-3} y<0, below x-axis

x∈ {-3,-1} y>0, above x-axis

x∈ {-1,4} y<0, below x-axis

x∈ {4,∞} y>0, above x-axis



7 0
3 years ago
Read 2 more answers
What is a feature of permanent insurance?
jenyasd209 [6]
Its letter b. it includes an investment opponent
6 0
3 years ago
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One benefit of cluster sampling is that it Group of answer choices
luda_lava [24]

Answer:

a. is effective for use in school research.

Step-by-step explanation:

Cluster sampling is the sampling whereby we pick random few sample from the population to serve as the sample population called cluster. This cluster usually have uniform characteristics among them.

The main advantage of cluster sampling is that it is effective school research because of its cheapness and doesn't require much resources during the sampling process.

The other options are not correct because Cluster sampling have High sampling error and its biased sample.

3 0
2 years ago
2.71, 2 3/4, square root of 5, 5/2 least to greatest
STALIN [3.7K]
Order from <span> least to greatest
</span> 
square root of 5, 5/2, 2.71, 2 3/4

hope it helps
6 0
3 years ago
Read 2 more answers
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