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Ad libitum [116K]
2 years ago
9

At last week's track meet, Stacy ran 9/12 of a km, Jules ran 4/5 of a km, and Raul ran 3/4 of a mile. Which two students ran the

same distance?
Mathematics
1 answer:
koban [17]2 years ago
6 0

Answer:  No two students ran same distance

Step-by-step explanation:

Given

Stacy ran \frac{9}{12} of a km i.e.

\Rightarrow 1\times \dfrac{9}{12}=\dfrac{3}{4}=0.75\ km

Jules ran \frac{4}{5} of a km i.e.

\Rightarrow 1\times \dfrac{4}{5}=0.8\ km

Raul ran \frac{3}{4} of mile i.e.

\Rightarrow 1\times \dfrac{3}{4}=0.75\ miles\\\\\text{1 mile=1.6 km}\\\\\Rightarrow 0.75\ miles=1.2\ km

So, no two students ran the same distance.

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1. Point A(-5,8) is reflected across the line y = x. What are the coordinates of A'? Show your work and explain.
Simora [160]

Answer:

The coordinates of  A'(8,-5)

Step-by-step explanation:

we know that

When you reflect a point across the line y = x, the x-coordinate and y-coordinate change places

so

The rule of the reflection across the line y=x is

(x,y) -----> (y,x)

we have the point A(-5,8)

Applying the rule of the reflection across the line y=x

A(-5,8) ----> A'(8,-5)

see the attached figure to better understand the problem

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3 years ago
3 The table shows the average mass, in kilograms, of different sizes of cars and trucks. Size Small Car Large Car Large Truck Av
Lelu [443]

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Based on the given data, the mass of the large truck is 1106 kg.

Now, rounding off to the nearest hundred, the average mass of the larger truck is 2500 kg and the average mass of the small car is 1400 kg.

So, the larger truck is 1100 kg heavier than than the smaller car.

6 0
1 year ago
What are the values of x, y, and z ?
aleksklad [387]

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112

Step-by-step explanation:

8 0
2 years ago
Which values have exactly 2 significant figures? Check all that apply.
JulijaS [17]

ANSWER

Options B, C and D have exactly 2 significant figures.


<u>EXPLANATION</u>

To see whether the numbers have exactly 2 significant figures, round all to 2 significant figures. The ones that remains the same have exactly 2 significant figures.


302\approx 300yards to 2.s.f

980\approx 980gallons to 2.s.f

1200\approx 1200feet to 2.s.f

84\approx 84litters to 2.s.f\

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8 0
3 years ago
Read 2 more answers
Determine the total surface area for the composite figure.
Vikentia [17]

Answer:

Step-by-step explanation:

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8 0
3 years ago
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