Answer:
<h3>(a) 3^9</h3>
Step-by-step explanation:
<h3> IN EXPONNETIAL FORM :</h3>
<h3>– (a^m× a^n) = (a^m+n)</h3>
<h3>3^4 × 3^5 = 3^4+5 = </h3>
<h2>3^9 </h2>
<h3 />
Answer:
-2n - 12
Step-by-step explanation:
Combine like terms. Note that each term has one variable (n). Also note that one negative sign and one positive sign results in a negative sign.
-6n + (-12) + 4n = -6n + 4n - 12 = -2n - 12
-2n - 12 is your answer
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Answer: There are 8 cups of cocoa and 6 cups of milk to make the standard recipe for Hershey's chocolate.
Explanation:
Since we have given that
Number of cups of cocoa is given by

Number of cups of milk is given by

Since there are total number of cups of ingredients = 14
First, we find out the ratio of cups of cocoa and milk i.e.

So, Number of cups of cocoa is given by

Number of cups of milk is given by

Hence, there are 8 cups of cocoa and 6 cups of milk to make the standard recipe for Hershey's chocolate.
Answer:
B
Step-by-step explanation:
Using the cosine ratio in the right triangle and the exact value
cos30° =
, then
cos30° =
=
=
( cross- multiply )
2x = 20
( divide both sides by 2 )
x = 10
→ B