Someone please help me with these 4
1 answer:
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Answer:
x=-3
Step-by-step explanation:
The quadratic function determines the parabola which has the vertex at point (-3,5). The axis of symmetry passes through the vertex and is parallel to the y-axis. Hence, its equation is x=-3 (see attached diagram).
Answer:
31.5
Step-by-step explanation:
42% of 75 is 31.5. The working is as follows :
<em>42</em><em> </em><em>÷</em><em> </em><em>100</em><em> </em><em>×</em><em> </em><em>75</em><em> </em><em>=</em><em> </em><em>31</em><em>.</em><em>5</em>
<em>You</em><em> </em><em>can</em><em> </em><em>also</em><em> </em><em>use</em><em> </em><em>the</em><em> </em><em>picture</em><em> </em><em>^</em><em>^</em>
