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3 years ago

If sound travels about 2 miles in 10 seconds, how far does sound travel in half a minute?

Mathematics

2 answers:

Anton [14]3 years ago

8 0

Answer:

About 24.7 miles. Hope this helps!!!

Step-by-step explanation:

wel3 years ago

5 0

Answer:

6 miles

hope this helps

have a good day :)

Step-by-step explanation:

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You are going on a road trip over a distance of 3000 kilometers with three friends. The car consumes 6 liters of gas per 100 kil

katen-ka-za [31]

Let's make the rule of three: (To calculate the volume of gas spent by the distance traveled)

(volume)_____(Distance)
6 L ----------------- 100 Km
x L ----------------- 3000 Km

Directly proportional
 $\frac{6}{x} = \frac{100}{3000}$
multiply cross
 $100*x = 6*3000$
$100x = 18000$
$x = \frac{180\diagup\!\!\!\!0\diagup\!\!\!\!0}{1\diagup\!\!\!\!0\diagup\!\!\!\!0}$
$\boxed{x = 180\:L}$

Let's make the rule of three: (To calculate the amount of gas consumed by the volume in liters consumed).

(volume)_____(value)
1 L ----------------- $1.20
180 L ------------- $ y

Directly proportional
$\frac{1}{180} = \frac{1.20}{y}$
multiply cross
$1*y = 180*1.20$
$y = 216 \to \boxed{\$216}$

Now divide the value between the four friends:
 $\frac{216}{4} = \boxed{\$54}$

Therefore:
$\underline{The\:gas\:cost\:evenly\:among\:the\:four\:will\:be\:\$\:54}$

4 0

3 years ago

In right triangle XYZ, the right angle is located at vertex Y. The length of line segment XY is 12.4 cm. The length of line segm

Usimov [2.4K]

we know that

In the right triangle XYZ

$tan (YZX)=\frac{opposite\ side\ angle\ YZX}{adjacent\ side\ angle\ YZX}$

in this problem

$opposite\ side\ angle\ YZX=XY=12.4\ cm\\adjacent\ side\ angle\ YZX=YZ=15.1\ cm$

substitute the values

$tan (YZX)=\frac{12.4}{15.1}$

$Angle (YZX)=arc\ tan (12.4/15.1)$

$Angle (YZX)=39.4\°$

therefore

the answer is the option

B .39.4°

5 0

3 years ago

Read 2 more answers

Graph the two lines y=2x + 5 and y= x -1 what is the the x-value of the point where they intersect

Vaselesa [24]

Answer:

x=-6

Step-by-step explanation:

y=2x + 5

y= x -1

Plug in the equation for y

x-1=2x+5

Combine like terms

-1=x+5

-6=x

Hope this helps! Please mark brainliest :)

7 0

3 years ago

What is 10x+7=147;14,15,16

gizmo_the_mogwai [7]

$10x + 7 = 147$
1st step you subtract 7 from both sides and the 7 get cancelled so you will get
$10x = 140$
2nd step you divide by 10 from both sides so you will get

$x = 14$

3rd step is that you final answer is
$x = 14$

4 0

3 years ago

Zara and John are hiking on a trail that 2 miles long .there are signs to mark each eighth of a mile along the trail

navik [9.2K]

If you want to know how many signs are there,

2 1/8

then you multiply 2 times 8/1, 1/8's reciprocal.

there are 16 marks

6 0

3 years ago