Answer: 0.4 which is choice C
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Work Shown
Focus on the "riverside high school" row only
A = number of twelfth graders = 200
B = number of students = 500
P = probability of picking a twelfth grader
P = A/B
P = 200/500
P = 2/5
P = 0.4
Answer:
<h2> (-1, 3)</h2>
Step-by-step explanation:
2x + y = 1 ⇒ y = 1 - 2x
3x - y = -6
3x - (1 - 2x) = -6
3x - 1 + 2x = -6
+1 +1
5x = -5
÷5 ÷5
x = -1
y = 1 - 2(-1) = 1 + 2 = 3
Answer:
-20
Step-by-step explanation:
absolute value of -3 is 3. 17 plus 3 is 20, and make it a negative
check: 17 + - 20 = - 3
(-4n^(2))* (5n^(7)):-20n to the power of 9
(2x)^(3)*(5x^(4 ))^(2): 200x to the power of 11
Finding the distance between (-4,2) and (146,52)
Use the distance formula<span> to determine the </span>distance<span> between the two </span>points<span>.
</span><span>Distance= </span>√<span>(<span>x2</span>−<span>x1</span><span>)^2</span>+(<span>y2</span>−<span>y1</span><span>)^2
</span></span>Substitute the actual values of the points<span> into the </span>distance formula<span>.
</span>√<span>((146)−(−4)<span>)^2</span>+((52)−(2)<span>)^2
</span></span>Simplify the expression<span>.
</span>√19400<span>
</span>Rewrite 19400<span> as </span><span><span><span>10^2</span>⋅194</span>.
</span>√10^<span>2⋅194
</span>
Pull terms<span> out from under the </span>radical<span>.
</span>10√<span>194
</span>The approximate<span> value for the </span>distance<span> between the two </span>points<span> is </span><span>139.28389.
</span>
10√<span>194≈139.28389</span>
