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3 years ago

Lesson Test Problem 3

Mathematics

2 answers:

Firdavs [7]3 years ago

3 0

Answer:

Step-by-step explanation:

8:15-12:30 is 15 min and 4 hours

1:30-5:30 is 4 hours

8 hours and 15 minutes

Yakvenalex [24]3 years ago

3 0

8:15-12:30 is 15 min and 4 hours
1:30-5:30 is 4 hours
8 hours and 15 minutes

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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

4 years ago

Read 2 more answers

A snail crawled of a centimeter in 2 minutes. At that rate, how far could the snail crawl in 1

vekshin1

Answer:30 centimeters in 1 minute

8 0

3 years ago

$35+0.50()=52 what does this equal

katen-ka-za [31]

Answer:

$(34)$

Step-by-step explanation:

We are looking for what number times .50 makes the equation true.

So, just do backwards equation:

$52 - 35$

$==> 17$

Thus, meaning that what multiplied by 0.50 is equal to 17?

[tex]0.50 * 34[tex]

[tex]==> 17[tex]

6 0

4 years ago

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Instructions:Drag each tile to the correct box. The radii of the planets in the solar system are given. Arrange the planets in i

pashok25 [27]

Mercury: 2.44 × 103 kilometers
Mars: 3.39 × 103 kilometers
Venus: 6.05 × 103 kilometers
Earth: 6.37 × 103 kilometers
Neptune: 2.46 × 104 kilometers
Uranus: 2.54 × 104 kilometers
Saturn: 5.82 × 104 kilometers
Jupiter: 6.99 × 104 kilometers

3 0

3 years ago

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CHECK MY ANSWER??

Tatiana [17]

You are partially correct :) 2^SQR(10) x SQR(10) = 20
The answer is just 20

4 0

3 years ago