Answer:
<h2>x² = -3</h2>
Step-by-step explanation:
In algebra, the goal is always to isolate the variable, so its value can be determined.
<h3>Step 1: Subtract 21</h3>
7x² = -21
<h3>Step 2: Divide by 7</h3>
x² = -3
<h3>Step 3: Check</h3>
7(-3) + 21 = 0
0 = 0 ✔
<h3>Step 4: Answer</h3>
x² = -3
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Answer:
The answer is:
32 inches
Step-by-step explanation:
The reason to why is because a triangle's area is always length times height divided by 2. In this case we need to reverse the steps and multiply 160 by 2 to get 320. Then divide the area of 320 by 10 to get 32 inches to be the base length.
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Answer: It is -62
Step-by-step explanation: It is -62 because if you find the absolute value it is always negetive .
The question doesn't provide enough information to get an accurate answer. Please provide more information or provide acceptable assumptions.
O 5(-8) = -40 this is the correct one and the question ask except