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kiruha [24]
3 years ago
8

Jackson rides his bike from his home for 30 minutes at a fast pace. He stops to rest for 20 minutes, and then continues riding i

n the same direction at a slower pace for 30 more minutes. Sketch a graph of the relationship of Jackson’s distance from home over time.
Mathematics
1 answer:
Dimas [21]3 years ago
5 0

Answer:

For the first 30 minutes, we will have a line with a given steepness, this will represent the 30 minutes riding at a fast pace.

Then he stops for 20 minutes, we will represent this with a constant line.

Then he again moves for another 30 minutes, but with a slower pace than in the first 30 minutes, then this line will be less steep than the first line.

A sketch of this situation can be seen below.

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Rationalise the denominator by 6 root 7 minus 1
nikklg [1K]

Answer:

Assuming the numerator was 1.

(6\sqrt{7}+1)/251

Step-by-step explanation:

Assuming the numerator was 1.

1/(6\sqrt{7} -1)\\ (6\sqrt{7}+1)/((6\sqrt{7} - 1)(6\sqrt{7} + 1))\\ (6\sqrt{7}+1)/((6\sqrt{7})^2 + 6\sqrt{7} - 7\sqrt{7} - 1)\\(6\sqrt{7}+1)/((6\sqrt{7})^2 - 1)\\(6\sqrt{7}+1)/((36*7 - 1)\\(6\sqrt{7}+1)/251

7 0
3 years ago
What’s 2 plus 2 <br> Pupil:4<br> That’s good <br> Good?, that’s perfect!
Lesechka [4]

Answer:

4

Step-by-step explanation:

2+2=4

5 0
3 years ago
Read 2 more answers
PLZZZZZZZZZZZZZZZZ HELP ME!!!<br><br> 1 1/8 to decimal show your work!!!
lions [1.4K]

Answer:

1.125

Step-by-step explanation:

1) First you have to turn it into an improper fraction

8*1 = 8. Add the numerator--> 8+1 = 9.

2) The improper fraction is 9/8

3) Divide 9 by 8

 **Write this using long division

8 goes into 9 one time, so we will write one as our first digit

Carry down the 1 and the 0, 8 goes into 10 1 times so write 1.

And this point we have 1.1 above

Carry down the 2 and the 0, 8 goes into 20 2 times so write 2

At this point we have 1.12

Carry down the 4 and the 0, 8 goes into 40 5 times with no remainders so write 5 and end the division process.

Now we have 1.125 as our decimal for 9/8 which is equivalent to 1 1/8.

6 0
3 years ago
What's the area of a sector of a circle that has a diameter of 10 in. if the length of the arc is 10 in.?
jasenka [17]
"The diameter is 10, therefore radius = 5. If arc length = 10, then angle = 10/5 = 2 radians 2 radians = 2/2pi = 1/pi of a complete circle. 
Area of circle = pi * r^2 = 25pi. 
Area of sector = angle * area of circle = 1/pi * 25pi = 25"
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3 years ago
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Question 3
Elza [17]

Answer:

Perimeter is 126cm and area is 972cm^2

Step-by-step explanation:

Scale factor means you multiply the dimensions by the factor. In this case 4.5

The width 6cm becomes 27cm. The length 8cm becomes 36cm.

Perimeter = 2*L + 2*W, L is length and W is width.

P=27*2cm+36*2cm\\P=54cm+72cm\\P=126cm

Area = L*W

A=27cm*36cm\\A=972cm^2

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3 years ago
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