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yulyashka [42]
3 years ago
11

What is the simplified value of the expression below?

Mathematics
2 answers:
Karolina [17]3 years ago
5 0
4(-8+4.5)
-32+18
-14

6.25+(-8.25)
-2

-14/-2

7

The answer is 7.
Shalnov [3]3 years ago
3 0

Answer:

7

Step-by-step explanation:

First we will evaluate the numerator:

4(-8+4.5)

We will use the order of operations (PEMDAS).  First we evaluate the expression inside parentheses.

-8+4.5 = -3.5

This gives us 4(-3.5) = -14

Now we will evaluate the denominator:

6.25+(-8.25) = -2

This gives us

-14/-2 = 7

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Clinton earns $12 per hour cutting grass. he earned a total of $162 last week cutting grass. exactly how msny hours did he spend
professor190 [17]

Answer:13.5


Step-by-step explanation:

12•13.5=162

6 0
3 years ago
Suppose you invest $400 at an annual interest rate of 7.6% compounded continuously. How much will you have in the account after
likoan [24]
\bf ~~~~~~ \textit{Compounding Continuosly Interest Earned Amount}\\\\
A=Pe^{rt}\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{original amount deposited}\to& \$400\\
r=rate\to 7.6\%\to \frac{7.6}{100}\to &0.076\\
t=years\to &1.5
\end{cases}
\\\\\\
A=400e^{0.076\cdot 1.5}\implies A=400e^{0.114}
6 0
2 years ago
The value of x is? What is the value of x in this problem?
snow_lady [41]

Answer:

x=96°

Step-by-step explanation:

For the upper left angle, we know that they are supplementary, so we can find the first angle of the triangle by

180-130=50

For the bottom right angle, we know that they are supplementary, so we can find that angle by

180-134=46

As a triangle has 180 degrees, we can subtract the values of the other two angles to find the final upper right angle.

180-50-46=84

Lastly, The upper right angle and x are supplementary so we can find x by subtracting the angle from 180

180-84=x\\x=96

5 0
2 years ago
Read 2 more answers
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Answer:

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2 years ago
f of x equals 4 x over quantity x squared minus 16. Show all work to identify the asymptotes and zero of the function.
yuradex [85]

Given:

The function is

f(x)=\dfrac{4x}{x^2-16}

To find:

The asymptotes and zero of the function.

Solution:

We have,

f(x)=\dfrac{4x}{x^2-16}

For zeroes, f(x)=0.

\dfrac{4x}{x^2-16}=0

4x=0

x=0

Therefore, zero of the function is 0.

For vertical asymptote equate the denominator of the function equal to 0.

x^2-16=0

x^2=16

Taking square root on both sides, we get

x=\pm \sqrt{16}

x=\pm 4

So, vertical asymptotes are x=-4 and x=4.

Since degree of denominator is greater than degree of numerator, therefore, the horizontal asymptote is y=0.

8 0
2 years ago
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