Two friends leave school at the same time, Sarah is heading due north and Beth is heading due east. One hour later they are 10 miles apart. If Sarah had traveled 8 miles from the school, how many miles had Beth traveled?6 miles
10 miles
8 miles
4 miles
Answers
Final answer: Sarah has traveled 6 miles after an hour.
Hope this helped! :)
Helping tip: The reason it is not 4 is because they are not traveling west and east away from each other. They are traveling north and east, so they are moving in two directions to form a right triangle, and the hypotenuse would be 10 (miles). The side, or distance, that Beth has traveled is 8. So as this is a typical variation of a 3x4x5 triangle, Sarah will have traveled 6 miles.
wouldn't it actually be 2 miles but since its not listed I would say 4 because if there 10 miles apart and Sarah is 8miles from the school were they both started then 10-8=2. or you can take the two and divide it by 8 and get 4
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Answers
Let x be the missing number
7/8 = x/48
Cross- multiply
7/8= x/48
(7)*(48) = x*8
336 = 8x
Flip the equation
8x = 336
Divide both sides by 8
8x/8 = 336/8
x= 42
Check my answer
First , replace x by 42
7/8 = 42/48
0.875 = 0.875
I hope that's really help !
Answers
-2,-6,-10,-14,-18,-22,-26.
Negative 26 is your answer. Hope this helped!
Answer:
-26
Step-by-step explanation:
We are counting by 4s
1) 2 - 4 = -2
2) -2 - 4 = -6
3) -6 - 4 = -10
4) -10 - 4 = -14
5) -14 - 4 = -18
6) -18 - 4 = -22
7) -22 - 4 = -26
Hope this helps!!!
Answers
3/4 = 9/12
11/12 – 9/12 = 2/12 = 1/6
11/12 - 9/12
2/12
Simplified, it becomes 1/6
–6x4y – 2x3y2 + 9x2y3 – 3xy4 + y5
–6x4y – 2x3y2 – x2y3 – 3xy4 – y5
–6x4y + 3x3y2 + 4x2y3 – 3xy4 + y5
–6x4y – 7x3y2 + 4x2y3 – 3xy4 – y5
Answers
The difference of the polynomials given is -2x³y² + 9x²y³ - 3xy⁴ - 6x⁴y + y⁵
Given are two polynomials are :
(-2x³y² + 4x²y3³ - 3xy⁴) and (6x⁴y - 5x²y³ - y⁵)
We need to subtract the polynomials and find the difference.
(-2x³y² + 4x²y3³ - 3xy⁴) - (6x⁴y - 5x²y³ - y⁵)
By multiplying the signs into the brackets
= -2x³y² + 4x²y3³ - 3xy⁴ - 6x⁴y + 5x²y³ + y⁵
Grouping the like terms, we get
= -2x³y² + (4x²y3³ + 5x²y³) - 3xy⁴ - 6x⁴y + y⁵
= -2x³y² + 9x²y³ - 3xy⁴ - 6x⁴y + y⁵
Therefore, the difference between the polynomials is -2x³y² + 9x²y³ - 3xy⁴ - 6x⁴y + y⁵
Learn more about polynomials click;
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Answer:
A - -6x4y – 2x3y2 + 9x2y3 – 3xy4 + y5
I just took the test
Answers
Answer:
Hot dogs sold: 44
Sodas sold: 132
Step-by-step explanation:
This is is a problem of a system of two equations with two unknowns. This can be solved in multiple ways (the substitution method, the elimination method, the equalization method, the graphic method...) . I will resolve it using the equalization method that is a little bit more practical from my point of view.
First, we have to determine the system by the data we are given:
Where:
Secondly, we are going to isolate any variable from both equations. I chose to isolate Y.
Thirdly, we equalizate both equations.
So we get:
Then we isolate X.
So now we know that the number of hot dogs sold was 44! If the sodas sold were three times the number of hot dogs sold, then we know that there were 132 sodas sold at the hockey game!
3/10= n/50
n=______
Answers
3/10 = n/50
n = 3/10 * 50
n = 3 * 5
n = 15
The correct result would be n = 15.