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3 years ago

Express $12.00 as a fraction of $20.00

Mathematics

1 answer:

saul85 [17]3 years ago

5 0

Answer:

Step-by-step explanation:

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7/8 = 4/p solve the proportion

zhenek [66]

$\frac{7}{8} = \frac{4}{p} \\ 7*p=4*8 \\ p= \frac{32}{7}$

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3 years ago

Match the function with its value<br> f(x)= x2-3x+3<br> g(x)= 2x2-1 <br><br> f(z^2)= .....

Elis [28]

There's nothing here to 'match' it with.

f(x) = x^2 - 3x + 3

f(z^2) = (z^2)^2 - 3z^2 + 3

f(z^2) = z^4 - 3z^2 + 3

<em><u>g(x)</u></em> is only there to confuse you.
Apparently it was successful.

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3 years ago

If angle y measures 65 degrees how much does x measure?

belka [17]

Answer:

supplementary angles add up to 180°

given y=65° thus...

x+y=180°

x + 65°=180°

x=180°- 65°

x=115°

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3 years ago

Read 2 more answers

Given that (4,6) is in the graph f(x), find the corresponding point for the function f(-4x).

faust18 [17]

F(4) = 6
f(-4*4) = -4 * 6
-4*6
-24

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4 years ago

Type the correct answer in each box.If matrix C represents (A − B) + A, the value of the entry represented by c41 is and the cor

strojnjashka [21]

Given the matrices A and B:

$\begin{gathered} A=\begin{bmatrix}{-5} & {3} & {8} & {} \\ {3} & {6} & {-5} & {} \\ {5} & {-9} & {0} & {} \\ {7} & {3} & {4} & {}\end{bmatrix} \\ \\ B=\begin{bmatrix}{-7} & {-8} & {-5} & {} \\ {7} & {9} & {2} & {} \\ {2} & {5} & {-7} & {} \\ {2} & {8} & {-7} & {}\end{bmatrix} \end{gathered}$

We know that:

$C=(A-B)+A=2A-B$

Then, using the matrices A and B:

$\begin{gathered} C=2\cdot\begin{bmatrix}{-5} & {3} & {8} & {} \\ {3} & {6} & {-5} & {} \\ {5} & {-9} & {0} & {} \\ {7} & {3} & {4} & {}\end{bmatrix}-\begin{bmatrix}{-7} & {-8} & {-5} & {} \\ {7} & {9} & {2} & {} \\ {2} & {5} & {-7} & {} \\ {2} & {8} & {-7} & {}\end{bmatrix} \\ \\ C=\begin{bmatrix}{-10} & {6} & {16} & {} \\ 6 & {12} & {-10} & {} \\ 10 & {-18} & {0} & {} \\ 14 & 6 & 8 & {}\end{bmatrix}+\begin{bmatrix}{7} & {8} & {5} & {} \\ -{7} & -{9} & -{2} & {} \\ -{2} & {-5} & {7} & {} \\ {-2} & -{8} & {7} & {}\end{bmatrix} \\ \\ \therefore C=\begin{bmatrix}{-3} & 14 & 21 & {} \\ -1 & {3} & {-12} & {} \\ 8 & {-23} & 7 & {} \\ 12 & -2 & 15 & {}\end{bmatrix} \end{gathered}$

And the element C₄₁ (fourth row and first column) is:

$C_{41}=12$

Now, for the matrix (A + B) - A = B:

$B_{41}=2$

3 0

1 year ago

Express $12.00 as a fraction of $20.00​

Express $12.00 as a fraction of $20.00