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tekilochka [14]

3 years ago

11

Here are some facts about units of length.

1 answer:

Len [333]3 years ago

3 0

Answer:

3 ft = 36 in

8 yd = 24 ft

Step-by-step explanation:

1 ft = 12 in, 3 ft = 36 in

1 yd = 3 ft, 8 yd = 24 ft

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Ifx=−8, evaluate the following expression:(x−2)(x+4)x(x+9)

tekilochka [14]

Answer:

= 40

Step-by-step explanation:

so if you mean x = -8

$(x - 2)(x + 4) \times (x + 9) \\$

$( - 8 - 2)( - 8 + 4) \times ( - 8 + 9)$

$( - 10)( - 4) \times 1$

$40 \times 1$

$40$

4 0

3 years ago

The function f(x)=(x-1)^2-4 is not one-to-one. If you restrict the domain for f(x) to x(less than or equal to symbol)1, what is

olasank [31]

$\text{We have been given the function }\\
f(x)=(x-1)^2-4\\
\text{Let f(x)=y}\\
y=(x-1)^2-4\\
\text{Swap x and y, we get}\\
\\
x=(y-1)^2-4\\
\text{Now we solve for y}\\
(y-1)^2=x+4\\
\\
y-1=\pm \sqrt{x+4}\\
\\
y=1\pm \sqrt{x+4}\\
\\
f^{-1}(x)=1\pm \sqrt{x+4}\\$

$x+4\geq 0\\
x\geq -4\\
\text{Thus, the domain is given by}\\
x\in [-4,\infty )$

5 0

3 years ago

Read 2 more answers

Given the trigonometric function value of theata Find the exact value of all remaining trigonometric function csc(theata)= 7

Monica [59]

I don’t understand why people are sending files as answer

8 0

3 years ago

Solving the linear equations variable on one side

Brums [2.3K]

The pick up fee is $2.50.

After each mile, $1.95 is added.

That is, after the first mile, we have;

$\begin{gathered} \text{Fe}e=\text{ 2.50 + 1.95(1)} \\ \text{After the second mile, we have;} \\ Fee=\text{ 2.50+1.95(2)} \end{gathered}$

Isaac total charge = $27.46;

Generally, let the number of miles driven by the taxi be x, then we have;

$1.95x+2.50=27.46$

Solving for the number of miles Isaac travelled, we have;

$\begin{gathered} 1.95x=27.46-2.50 \\ 1.95x=24.96 \\ x=\frac{24.96}{1.95} \\ x=12.8\text{miles} \end{gathered}$

CORRECT OPTION:

$1.95x+2.50=27.46;\text{ Isaac traveled 12.8 miles.}$

4 0

2 years ago

Marsha gave the cashier $20 to pay for 3 pairs of socks the cashier gave her $5.03 in change. each pair of socks cost the same a

eduard

Answer:

$4.99

Step-by-step explanation:

20-5.03=14.97

14.97/3=4.99

5 0

3 years ago