Raul and his friends are hiking a 4-mile trail. After 2 hours of hiking, they turn off the path to find a spot for lunch, and then hike back to the trail and continue to the end. Write an inequality to represent x, the total distance they hiked.

Answers

Answer 1
Answer: So,

Making some major assumptions, such as the trail being circular, we can disregard the fact that "Group Raul" hiked 2 hours before taking a lunch break.  "Group Raul" hiked off the trail (violating Leave No Trace principles) to find a lunch break spot.  So they hiked at least 4 miles.

x > 4 miles
Answer 2
Answer: Because they have to hike back to the trail head, and the track is circular, they must hike AT LEAST 4 miles.
so it should be 4<_y
there :)

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Please help, I don’t get it

32 is 40 percent of what number?

Answers

'is' in mathematics means equal
'of' in mathematics means multiplication

percent means over 100

32 = 40% * x

32 = 40/100 * x

32 = 4/10 * x

Multiply 10/4 on both sides, so we can isolate 'x'

32 * 10/4 = x

x = 8 * 10

x = 80

32 is 40 percent of 80.

Help!The _______ is the key to deriving the equations for four conic sections.

Midpoint formula

Pythagorean theorem

Distance formula

Answers

Answer:

The correct answer is Distance Formula

Step-by-step explanation:

The shape of the conics in the conic section is characterized by a factor called eccentricity of the conic and further derivations are done using this factor.

And the eccentricity of the conics can be calculated by taking the center-to-focus distance and dividing it by the semi-major axis distance. So, to find the eccentricity of the conic, one must know how to apply the distance formula.

Hence, Distance Formula is the key to deriving the equations for conic sections

Answer:

answer is Distance Formula

Step-by-step explanation:

Nell's mortgage is $50,150 at 10 percent for 30 years. What is her monthly payment if she must pay 8.78 points per $1,000? (Points : 1) $440.32
$439
$422.95
$385.89

Answers

I actually don't know the actual computation. I used a mortgage points calculator and inputted the data given.

The monthly payment given based on its computation was $440.10. The closest answer is 440.32.

The difference in decimal point is due to the rounding off of 8.78 points to 8.8 points in the calculator.

Translate the phrase into an algebraic expression.
3 times b

Answers

Answer:

3b

Step-by-step explanation:

It`s just . . . 3b lol

When numbers and variables multiply, they are put in the form of (integer)(variable). They phrase can only be further simplified if there is a number substitution for b.

Solve for x
3x+1/14=2x/8

Answers

3x+(1/14)= 2x/8
24x+(4/7)=2x ( i multiplied everything by 8)
22x+4/7=0 ( i subtracted 2x to both sides)
22x= -4/7 ( i subtracted 4/7 to both sides) 
x= (-4/7)/ 22
x= -2/77
3x +  (1)/(14)  =  (2x)/(8)

First, you multiply everything by 8, so you get:
8(3x +  (1)/(14)) = 8( (2x)/(8))

Then, you develop, and you get:
24x +  (8)/(14) =  2x

You simplify (8)/(14) by dividing by 2, and you get:
24x +  (4)/(7) = 2x

Then, you put known numbers apart (numbers without x), and unknown numbers apart (numbers with x), which means you move 2x to the other part (and it become -2x), and (4)/(7) to the other part ( and it become - (4)/(7)), so you get:
24x - 2x = - (4)/(7)

you subtract and you get: 
22x = - (4)/(7) 

then, you move 22 to the other part, and since it's a multiplication, it become a division, so you get:
x = ( - (4)/(7) )/(22)

As you know, 22 =  (22)/(1), and dividing 2 fraction is equal to multiplying the first fraction by the inverse of the second fraction, so you get:
-(4)/(7) *  (1)/(22) = x

You multiply and you get:
- (4)/(154) = x

4 and 154 have a common factor which is 2, so you divide each one by 2, and you get:
-(4/2)/(154/2) = x

you divide, and you get:
-(2)/(77) = x

So, x = -(2)/(77)

Hope this Helps! :D

I took my final exam which is worth 12% of my grade,my final had 50 questions,but i think my teacher will grade only 25 questions from my final.I have 73.2% in my class.how much can my final affect my grade?how many points can i get from my final if i passed it?

Answers

If you get 50 questions, that means you get all 12%.
You add that you're current percentage: 73.2% + 12% = 85.20%

However, if you think you'll only get 25, then you'll get:
(25/50) (12%) = 6%

You add this to your current percentage:
73.20% + 6% = 79.20%

Refer to you passing score and see if 79.20% gives you a passing mark.