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Delicious77 [7]
3 years ago
13

a counter top is in the shape of a trapezoid. The lengths of the bases are 70 1/2 and 65 1/2 inches long. The area of the counte

r top is 1,224 square inches. Find the height of the counter top
Mathematics
1 answer:
nekit [7.7K]3 years ago
7 0
For the trapezoid, the equation used to solve for the area is,
                           A = (0.5)(b₁ + b₂)(h)
where b₁ and b₂ are the measure of the bases and h is the height. Substituting the known values above,
                          1224 = (0.5)(70.5 + 65.5)(h)
                                     h = 18
Thus, the height of the counter top is 18 inches. 
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Rainbow [258]

Answer:

Step-by-step explanation:

Simplify expression with rational exponents can look like a huge thing when you first see them with those fractions sitting up there in the exponent but let's remember our properties for dealing with exponents. We can apply those with fractions as well.

Examples

(a)   (p^4)^{\dfrac{3}{2}}

From above, we have a power to a power, so, we can think of multiplying the exponents.

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(p^{^ {\dfrac{4}{1}}})^{\dfrac{3}{2}}

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Let's take a look at another example

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Here, we apply the \dfrac{5}{3} to both 27 and x^6

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Let us recall that in the rational exponent, the denominator is the root and the numerator is the exponent of such a particular number.

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8 0
2 years ago
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4 0
3 years ago
Solve for n.<br> Q=5n+5z
kirill115 [55]
q=5n+5z\ \ \ \ \ \ \ |subract\ 5z\\\\q-5z=5n\ \ \ \ \ \ \ |divide\ by\ 5\\\\n=\frac{q-5z}{5}\\\\Answer\ is\ n=\frac{q-5z}{5}
5 0
3 years ago
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Answer:

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