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kompoz [17]
3 years ago
5

3 ½ – 2 ⅓ Give your answer as a improper fraction

Mathematics
2 answers:
Helga [31]3 years ago
7 0

first change them into improper fractions

(2×3)+1/2 -->7/2

(3×1)+1/2--> 7/3

7/2-7/3 now find the least common denominator (lcd) it is 6

2 goes into 6, 3 times,7×3 =21--> 21/6

3 goes into 6, 2 times, 7×2=14 --> 14/6

21/6-14/6=7/6

andrezito [222]3 years ago
6 0

❣ R̾e̾f̾e̾r̾ t̾h̾e̾ a̾t̾t̾a̾c̾h̾m̾e̾n̾t̾.... ❣

☺.. h̾o̾p̾e̾ i̾t̾ h̾e̾l̾p̾s̾ y̾o̾u̾.. ☺

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Let the time spent in walking = x minutes

And the time spent in jogging = y minutes

If I walk with the speed = 0.05 miles per minute

Distance covered in walking = Speed × Time

                                                 = 0.05x miles

If I jog with the speed = 0.1 miles per minute

Distance covered in jogging = Speed × Time

                                                 = 0.1y miles

Since, screen displays the distance covered in walking and jogging = 2.5 miles

Equation for the situation will be,

0.05x + 0.1y = 2.5

5x + 10y = 250

x + 2y = 50 -------(1)

Total time spent in walking and jogging = 30 minutes

Therefore, equation for the situation will be,

x + y = 30 ----- (2)

By subtracting equation (2) from equation (1),

(x + 2y) - (x + y) = 50 - 30

y = 20 minutes

By substituting the value of y in equation (2),

x + 20 = 30

x = 10 minutes

Therefore, time spent in walking is 10 minutes and time spent in jogging is 20 minutes.

Learn more,

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2 years ago
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Jennifer feeds 5 times as many fish as Tony. Tony feeds 56 fish. how many fish,f,does Jennifer feed?​
Aleksandr [31]

Answer:

Jennifer feeds total fishes is 280

Step-by-step explanation:

Tony feeds total fishes is 56

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5 0
3 years ago
Phillip bought a used car for x dollars. one year later the value of the car was 0.88x. which expression is another way to descr
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If I said I had .25 cents you would know I had a quarter of a dollar or 1/4th of a dollar, .25 cents could also be thought of as 25% of a dollar.

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What is the area of the shaded sector of the circle? 20pi units squared 40pi units squared 180pi units squared 400
mafiozo [28]

The area of the sector with a radius of 20 units and a central angle of 162° is 180π unit².

<h3>What is the sector of a circle?</h3>

A sector is the portion of a circle enclosed by two radii and an arc, where the smaller area is known as the minor sector and the larger is the major sector.

The radius of the sector =20 units

Central angle subtended by sector = 162° = 162π/180 radians

As we know the area of a sector= 0.5r²α

where r is the radius and α is the central angle.

So, the area of the given sector = 0.5*20²* 162π/180

The area of the given sector = 180π unit²

Therefore, The area of the sector with a radius of 20 units and a central angle of 162° is 180π unit².

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