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4 years ago

What is the length, in units, of the line segment with endpoints at (1, 4) and (3, 7)? Round your answer to the nearest tenth.

Mathematics

2 answers:

lions [1.4K]4 years ago

7 0

Answer:

Step-by-step explanation;

I think this is right

Zigmanuir [339]4 years ago

6 0

Answer:

The answer is 7.9 units for certain. (That's what it says on the back of the book.)

Step-by-step explanation:

I don't know how, however. Sorry :|

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A train goes twice as fast downhill as it can go uphill, and 2/3 feet as fast uphill as it can go on level ground. If it goes 12

Yuri [45]

Answer:

0.5hrs

Step-by-step explanation:

Let the speed downhill be $x$ ,

Speed uphill is $0.5x$ . We are told than speed uphill is $\frac{2}{3}$ the speed on flat ground. Therefore the speed on level ground will be $\frac{0.5x}{2/3}=0.75x$ .

From this info, we can obtain the actual speed, $v_g$ on level ground as:

$x=120m/h\\0.75x=v_g\\\\\therefore v_g=\frac{0.75x \times 120m/h}{x}\\v_g=90m/h$

speed, distance and time have the relation $s=d/t$ so to obtain time to cover 45miles:

$t=d/s\\=45/90\\=0.5h$

Hence it takes 0.5hrs to cover 45miles on flat ground.

4 0

3 years ago

The Kitchen committee purchased 76 boxes of cookies for Vacation Bible School,

iren2701 [21]

269 I think :) not sure

5 0

3 years ago

What is the sum 2, 3, 4, and 5?

borishaifa [10]

Answer:

Step-by-step explanation:

We can find the sum of these numbers by adding them together.

The cumulative rule of addition lets us add numbers together in any order we want.

So, for 2 + 3 + 4 + 5 …

2 + 3 = 5

So now we have 5 + 4 + 5

5 + 4 = 9

Now we have 9 + 5

And 9 + 5 = 14

So, your answer is 14

Hope this helps!

4 0

2 years ago

Which expression is equivalent to the given expression?

Tatiana [17]

Answer:

The answer is 4a-12

Step-by-step explanation:

Hope this helped :>

3 0

3 years ago

Read 2 more answers

Need some help with this please

saveliy_v [14]

-0.83 for it’s the lowest number

5 0

3 years ago