Only a few minutes please help!! A) 20 B) 50 C) 90 D) 120
2 answers:
Answer: OPTION B.
Step-by-step explanation:
You can observe in the figure provided that the angle 3 and the angle that measures 70° , share the same vertex, therefore, you can conclude that they are Vertical angles and they are congruent. Then:
<em> </em>You can notice that the angle 1 and the angle that measures 70° are Complementary angles (They add up to 90°), then you can find the measure of the angle 1:
Then:
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positive number times negative number is negative number "(+)(-) = (-)".
we change the mixed numbers to the improper fractions
Answer:
The volume of the cylindrical tank is 176.625 cubic feet.
Step-by-step explanation:
Given : The tank is 9 feet high and has a diameter of 5 feet.
To find : Marjorie needs to calculate how much water a cylindrical tank will hold ?
Solution :
The volume of a cylinder is
The diameter is d=5 feet
The radius is
feet.
The height is h=9 feet.
Substitute the value in the formula,
The volume of the cylindrical tank is 176.625 cubic feet.
<h2>Question: Factor: 4x2 + 4x</h2>
Find the GCF.
Factor out the GCF.
Simplify each term in parentheses.
Hence, the answer is 4x(x + 1).
<h2 /><h2>Question: Expand: -(x - 3) </h2>Remove parentheses.
Regroup terms.
Therefor, the answer is 3 - x.