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Digiron [165]
3 years ago
10

The segments shown below could form a triangle 9,4,15 true or false

Mathematics
1 answer:
yawa3891 [41]3 years ago
3 0
No - there is a rule that state that the sum of  two sides of a triangle must be greater than the 3rd side.
While 9+15 >4
and 4+15 >9
9+4 is not greater than 15 - so this triangle cannot be made.
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Trey drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 12 hours. When Trey drove
USPshnik [31]

Question was Incomplete;Complete question is given below;

Trey drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 12 hours. When Trey drove home, there was no traffic and the trip only took 8 hours. If his average rate was 20miles per hour faster on the trip home, how far away does Trey live from the mountains?

Do not do any rounding.

Answer:

Trey lives 480 miles from the mountain.

Step-by-step explanation:

Given:

Time taken to drove the mountain =12 hours

Time taken to return back from mountain = 8 hours.

Let the speed at which he drove to mountain be denoted by 's'.

Speed on the trip to home = s+20

We need to find the distance Trey live from the mountains.

Solution:

Let the distance be denoted by 'd'.

Now we know that;

Distance is equal to speed times Time.

framing in equation form we get;

distance from home to mountain d=12s

Also distance from mountain to home d = (s+20)8=8s+160

Now distance is same for both the trips;

so we can say that;

12s=8s+160

Combining the like terms we get;

12s-8s=160\\\\4s=160

Dividing both side by 4 we get;

\frac{4s}{4}=\frac{160}{4}\\\\s=40\ mph

Speed while trip to mountain = 40 mph

Speed while trip to home = s+20=420+20=60\ mph

So Distance d=12s=12\times40 = 480\ miles

Hence Trey lives 480 miles from the mountain.

6 0
3 years ago
Determine an equivalent algebraic monomial expression using the laws of exponents. Show your work.
Serga [27]

The equivalent algebraic monomial expression of the expression given as (-8a^5b)(3ab^4) is -24a^6b^5

<h3>How to determine an equivalent algebraic monomial expression?</h3>

The expression is given as:

(-8a^5b)(3ab^4)

Multiply -8 and 3

So, we have:

(-8a^5b)(3ab^4) = (-24a^5b)(ab^4)

Multiply a^5 and a (a^5 * a = a^6)

So, we have:

(-8a^5b)(3ab^4) = (-24a^6b)(b^4)

Multiply b and b^4

So, we have:

(-8a^5b)(3ab^4) = -24a^6b^5

Hence, the equivalent algebraic monomial expression of the expression given as (-8a^5b)(3ab^4) is -24a^6b^5

Read more about expressions at:

brainly.com/question/723406

#SPJ1

4 0
2 years ago
Solve for x: 14-14x^1/3 =2
zmey [24]

Answer: 216/343 or 0.6297

Step-by-step explanation:

14-14x^{1/3} = 2\\14 -2 = 14x^{1/3}\\12 = 14x^{1/3}\\\frac{12}{14} =x^{1/3}\\\frac{6}{7} =x^{1/3}\\(\frac{6}{7})^3 =(x^{1/3})^3\\\frac{6^3}{7^3} =x\\\\\frac{216}{343} = 0.629737609 = x

7 0
3 years ago
Explain why the sum 2x^2 + 4x^2<br><br>  is not equivalent to 6^4  <br>What is the correct answer?
Greeley [361]
6x^2 is the correct answer to the problem.
8 0
3 years ago
Read 2 more answers
The power absorbed by a solar panel varies directly with its area. Suppose an 8 square meter panel absorbs 8,160 watts of power.
olga_2 [115]
Answer is 12240 watts of power that a 12 square meter solar panel absorb. 
3 0
3 years ago
Read 2 more answers
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