Answer:
11.6km/h
Step-by-step explanation:
multiply 30 min by 2 to get to an hour
multiply 5.8 by 2 to get to km per hour
It is 9 because you have a 30,60,90 triangle, and then you can use pythagorean theorem.
The answer would
be 13/10
Answer:
circle 2 and 3 if I am correct
<em>The result is -13</em>
<h2>
Explanation:</h2><h2 />
Here we have the following addition problem:

So let's solve this step by step:
Step 1. Perform two plus two.

So:

Step 2. Perform the subtraction.
Since the sign (-) accompanies 17 which is greater than 4, then we perform the subtraction and add the sign (-) to the result. So:

<em>Finally, the result is -13</em>
<h2>Learn more:</h2>
Distributive property: brainly.com/question/10794694
#LearnWithBrainly