Answer: First option
Step-by-step explanation:
You have the quadratic equation given in the problem:
To find an equivalent expression you cacn factorize. Find two numbers whose sum is -13 and whose product is -30.
These numbers would be -15 and 2.
Therfore, you obtain the following equivalent expression:
If you don't want to apply the method above, you can use the quadratic formula:
Where:
When you susbstitute values you obtain that:
Then you can rewrite the equation as
Area of Base x Height
Area of a circle is PI x R squared
Radius is 3
Area of Base is 9Pi
9Pi x Height
Height is 6
9pi x 6 =
54 pi.
The actual height of building is 1800 feet.
Step-by-step explanation:
Given,
Height of building in model = 3 inches
Scale used by engineer;
1 inch = 600 feet
Therefore;
Actual height of building = Height in model * Scale used
Actual height of building = 3 * 600
Actual height of building = 1800 feet
The actual height of building is 1800 feet.
Answer:
47/10 = 4 7/10
Step-by-step explanation:
3 2/5 + 1 3/10
1. Write mixed numbers as improper fractions:
17/5 + 13/10
2. Write equivalent fractions with a common denominator:
34/10 + 13/10
3. Add the numerators over the common denominator.
47/10
4. Simplify.
4 7/10
Answer:
<em>C. 1/10 • 33</em>
<em>D. 0.1 • 33</em>
<em>E. 10/100 • 33</em>
Step-by-step explanation:
Knowing that
10% = 0.1 in decimal form
10% = 1/10 or 10/100 in fraction form
of = multiply
<em>Thus, the following is correct:</em>
<em>C. 1/10 • 33</em>
<em>D. 0.1 • 33</em>
<em>E. 10/100 • 33</em>
<u><em>We can also solve to find the answer:</em></u>
<em>10% of 33 = 3.3</em>
<em>0.1 x 0.33 = 0.033</em>
<em>10 x 33 = 330</em>
<em>1/10 x 33 = 3.3</em>
<em>0.1 x 33 = 3.3</em>
<em>10/100 x 33 = 3.3</em>
<u><em>Hence answer =</em></u>
<em>C. 1/10 • 33</em>
<em>D. 0.1 • 33</em>
<em>E. 10/100 • 33</em>
<em>[RevyBreeze]</em>
