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2 years ago

6

What if both Sammy and Tanya each drove the same number of miles for another 14 days? How many miles would they have driven ALL

TOGETHER?

1 answer:

Gennadij [26K]2 years ago

4 0

Answer:

Take whatever amount of miles Sammy and Tanya drive and add them

Step-by-step explanation:

I don't have many numbers to work with so my equations are:

14 x (1 day of driving miles amount) = a

A x 2 = your answer

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please help! functions and relations. f(x)= square root of x-4. find the inverse of f(x) and it’s domain.

likoan [24]

ANSWER:

$\:D.\text{ }f^{-1}\left(x\right)=\left(x+4\right)^2;x\ge-4$

STEP-BY-STEP EXPLANATION:

We have the following equation:

$f(x)=\sqrt{x}-4$

The inverse is the following (we calculate it by replacing f(x) by x and x by f(x)):

$\begin{gathered} x=\sqrt{f^{-1}(x)}-4 \\ \\ \sqrt{f^{-1}(x)}=x+4 \\ \\ f^{-1}(x)=(x+4)^2 \end{gathered}$

The domain would be the range of the original equation, and it would be the range of values that f(x) could take, which was from -4 to positive infinity, that is, f(x) ≥ -4.

Therefore, the domain is x ≥ -4.

So the correct answer is D.

$\:f^{-1}\left(x\right)=\left(x+4\right)^2;x\ge -4$

4 0

5 months ago

Sal was tired of waiting for Amir to show up at their meeting place, so he started running at an average speed of 4.5 mph withou

sergiy2304 [10]

A=-.25+6.7t, s=.75+4.5t when Amir catches up a=s so:

-.25+6.7t=.75+4.5t add .25 to both sides

6.7t=1+4.5t subtract 4.5t from both sides

2.2t=1 divide both sides by 2.2

t=10/22 hr

t≈0.45 hr (to nearest hundredth)

4 0

2 years ago

Read 2 more answers

A parallelogram has one angle that measures 106°. What are the measures of the other three angles in the parallelogram?

Katen [24]

Answer:

74°,74° and 106°

Step-by-step explanation:

180 -106=74°

The two opposite interior angles=74°each

The other one=106°

3 0

1 year ago

L1 : (-1, 4) and (3, 4) L2: (3, 5) and (3, 0) A. Parallel B. Perpendicular C. Neither

satela [25.4K]

answer for this question is (b)perpendicular

7 0

2 years ago

Round to one decimal place (BRAINLIEST)

Semmy [17]

Answer:

4.3

Step-by-step explanation:

Apply trigonometric ratios to find the answer.

Firstly, we need to find the measure of angle theta. In order to do this, we will use triangle BAD.

From angle theta, the trigonometric ratio sine can be used:

sinθ = $\frac{4.1}{5.3}$

After we find the value, we take the inverse sine of it and the result is approximately 50.7 degrees.

Now, knowing that angles BAD and CAD are the same, we can solve for CD using trigonometric ratio sine.

sin50.7 = opposite/hypotenuse

sin50.7 = CD/5.5

sin50.7 * 5.5 = CD

4.3 ≈ CD

8 0

3 years ago