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likoan [24]
3 years ago
5

What is the value of x?

Mathematics
2 answers:
rusak2 [61]3 years ago
7 0

Answer:

x = 15√2

Step-by-step explanation:

Since the two angles on the triangle are the same, we can conclude that x is equal to the side that is adjacent to it too ( not the hypotenuse).

We will have x = a to use this pythagorean theorem as follows.

We will get the equation,

a = b

where

a^2 + b^2 = c^2

so,

a^2 + a^2 = c^2

2a^2 = 30^2

2a^2 / 2 = 900 / 2

√a^2 = √450

a = √450

a = 15√2

Your welcome, comment below if you have any questions! If you could mark this as brainliest I would appreciate it :D

Andrew [12]3 years ago
4 0

Answer:

45??

Step-by-step explanation:

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pochemuha

The speed of the current is 40.34 mph approximately.

<u>SOLUTION: </u>

Given, a man can drive a motorboat 70 miles down the Colorado River in the same amount of time that he can drive 40 miles upstream.  

We have to find the speed of the current if the speed of the boat is 11 mph in still water. Now, let the speed of river be a mph.  Then, speed of boat in upstream will be a-11 mph and speed in downstream will be a+11 mph.

And, we know that, \text{ distance } =\text{ speed }\times \text{ time }

\begin{array}{l}{\text { So, for upstream } \rightarrow 40=(a-11) \times \text { time taken } \rightarrow \text { time taken }=\frac{40}{a-11}} \\\\ {\text { And for downstream } \rightarrow 70=(a+11) \times \text { time taken } \rightarrow \text { time taken }=\frac{70}{a+11}}\end{array}

We are given that, time taken for both are same. So \frac{40}{a-11}=\frac{70}{a+11}

\begin{array}{l}{\rightarrow 40(a+11)=70(a-11)} \\\\ {\rightarrow 40 a+440=70 a-770} \\\\ {\rightarrow 70 a-40 a=770+440} \\\\ {\rightarrow 30 a=1210} \\\\ {\rightarrow a=40.33}\end{array}

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The sum of 32 and what number is 105
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The order of the scale drawings from smallest to largest is

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Since 1 in is used as the base conversion for all the scales, we can convert the other scales to yards for consistency's sake.

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Learn more here: brainly.com/question/14348682

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a_sh-v [17]
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