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tresset_1 [31]
3 years ago
14

Each year lizzies school purchases student agenda books, which are sold in the school store. This year, the school purchased 350

books costing 1,137.50. If the school would like to make a profit of 1,500 to help pay for field trips and school activities, what is the least they can charge for a book? explain how you got your answer.
Mathematics
1 answer:
Mamont248 [21]3 years ago
4 0

Answer:

10

Step-by-step explanation:

10-0=10

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Answer:

Option 4

Step-by-step explanation:

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Solve the equation 2(x-4)=-22
Tcecarenko [31]

Hello Lexi!

<u><em>Answer:  ⇒⇒⇒⇒⇒⇒ x=-7</em></u>

__________________________________________________________

Step-by-step explanation:

First you had to divide by 2 from both sides of equation.

\frac{2(x-4)}{2}=\frac{-22}{2}

Simplify.

\frac{2(x-4)}{2}=x-4

\frac{2(x-4)}{2}

Divide by the numbers.

\frac{2}{2}=1

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\frac{-22}{2}=-11

Apply the fraction rule.

\frac{-22}{2}

=-\frac{22}{2}

Then you divide by the number.

\frac{22}{2}=11

=-11

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Add by 4 from both sides of equation.

x-4+4=-11+4

Simplify it should be the correct answer.

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Hope this helps!

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6 0
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Applying Properties of Exponents In Exercise, use the properties of exponents to simplify the expression.
NemiM [27]

Answer: (a) e^3

(b) e^{10}

(c) \dfrac{1}{e^4}

(d) e^{4}

Step-by-step explanation:

Properties of exponents :

1) a^m\times a^n=a^{m+n}

2) \dfrac{a^m}{a^n}=a^{m-n}

3) (a^m)^n=a^{mn}

4) a^{-n}=\dfrac{1}{a^n}

Now , we simplify the given expression using the above properties.

a) (e^6)(e^{-3})

=e^{6+(-3)}   [By property (1)]

=e^{6-3}=e^3  [∵ (+)(-)=(-)]

b) (e^{-2})^{-5}

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=e^{10}   [∵ (-)(-)=(+)]

c) (\dfrac{e^6}{e^2})^{-1}

=(e^{6-2})^{-1}    [By property (2)]

=(e^{4})^{-1}  

=\dfrac{1}{e^4}       [By property (4)]

d) (e^3)^{\frac{4}{3}}

=e^{3\times\frac{4}{3}}        [By property (3)]

=e^{4}  

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seropon [69]
Divide the numerator by the denominator .
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