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ololo11 [35]
3 years ago
11

Renee Hiked for 4 3/4 miles. After resting, Renee hiked back along the same route for 3 1/4 miles. How many more miles does Rene

e need to hike to return to the place where she started?
Mathematics
1 answer:
Ne4ueva [31]3 years ago
8 0
4 3/4 - 3 1/4 = 
4 - 3 = 1
3/4 - 1/4 = 2/4 = 1/2

1 1/2 more miles 
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Solve the equation using the quadratic formula : x^2-10x+25=18
Sever21 [200]
x^2-10x+25=18 \\ \\x^2-10x+25-18 = 0\\ \\ x^2-10x+ 7 =0 \\ \\a=1 , b = -10 , c= 7 \\ \\ \Delta = b^{2}-4ac = (-10)^{2}-4*1*7=100-28 = 72 \\ \\\sqrt{\Delta }=\sqrt{72}= \sqrt{2*36} =\sqrt{36}*\sqrt{2} =6\sqrt{2}

x_{1}=\frac{-b-\sqrt{\Delta }}{2a} =\frac{10- 6\sqrt{2}}{2}=\frac{2(5-3\sqrt{2})}{2}= 5-3\sqrt{2}\\ \\x_{2}=\frac{-b+\sqrt{\Delta }}{2a} =\frac{10+ 6\sqrt{2}}{2}=\frac{2(5+3\sqrt{2})}{2}= 5+3\sqrt{2}


Answer : \ x= 5-3\sqrt{2} \ \ or \ \ x = 5+3\sqrt{2}


8 0
3 years ago
Help needed I need the answer with work shown for the graphs
andreyandreev [35.5K]

top left: speed = 2.7 miles per hour  = 2.7 MPH

top right: speed = 0 miles per hour  = 0 MPH

bottom left: speed = 4 miles per hour  = 4 mi/h

bottom right: speed = 2 miles per hour  = 2 mi/h

and so, the fastest is bottom left. And pay attention in class! i'm in highschool and Iearned this in 6th grade!

Step-by-step explanation:

key: speed= distance/time

distance= speedxtime

time=distance/speed

top left: 8/3= 2.66667 MPH= 2.7 MPH

top right: 0/8= 0 MPH= 0 MPH

bottom left: 8/2= 4 MPH= 4 MPH

bottom right: 8/4= 2 MPH= 2 MPH

6 0
3 years ago
What is a square a parallelogram but a parallelogram not a square a square
Alinara [238K]
A square has both parallel sides
being the top and bottom
but also both the sides 

AND so does a PARALLELogram
BUT a square has ALL right (90 d) angles 
and a parallelogram does NOT 

ALSO . . . . . SUMMARY . . . . .  
The sides of a square are parallel
and all the angles equal 360 degrees,
so it's a parallelogram. BUT a
parallelogram is NOT a square
because a squares angles need to be 90 degrees.

does that answer your question?
3 0
3 years ago
Read 2 more answers
A. &lt; DCA<br> b. &lt; BCA<br> c. &lt; BAC <br> d. &lt; CAE
Brrunno [24]
I would say the answer is C. It has been a while since I’ve taken geometry but I am pretty sure the angle would be the middle letter.
5 0
3 years ago
Question 2 Multiple Choice Worth 1 points)
Tomtit [17]

Answer: "Subtract 6 from both sides, and then divide by 2. The solution is x = 8"

Step-by-step explanation: Lets solve for 2x + 6 = 22

Step 1 Subtract 6 from both sides: 2x + 6 - 6 = 22 - 6                       2x = 16

Step 2 Divide by 2 in both sides: 2x/2 = 16/2

Step 3 The answer: x = 8

6 0
3 years ago
Read 2 more answers
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