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3 years ago

Please help. Thank you

Mathematics

1 answer:

erastova [34]3 years ago

3 0

Answer:

(1, -12)

Step-by-step explanation:

x is the horizontal axis and y is the vertical axis.

The current coordinates of D are (-5, -2).

Translated...

D = (-5 + 6, -2 - 10)

D = (1, -12)

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Noah is running a portion of a marathon at a constant speed of 6 mph. Complete the table to predict how long it would take him t

ycow [4]

Answer:

$\begin{array}{cc}\text{Time}&\text{Distance}\\ \\1&6\\ \\\dfrac{1}{2}&3\\ \\1\dfrac{1}{3}&8\\ \\1\dfrac{1}{2}&9\\ \\9&54\\ \\4\dfrac{1}{2}&27\end{array}$

Step-by-step explanation:

Noah's running speed = 6 mph.

Use formula $D=v\cdot t,$ where

D is the distance,

v is the speed,

t is the time.

If $t=1$ hour, then $D=6\cdot 1=6$ miles.

If $t=\dfrac{1}{2}$ hour, then $D=6\cdot \dfrac{1}{2}=3$ miles.

If $t=1\dfrac{1}{3}$ hours, then $D=6\cdot 1\dfrac{1}{3}=6\cdot \dfrac{4}{3}=8$ miles.

If $t=1\dfrac{1}{2}$ hours, then $D=6\cdot 1\dfrac{1}{2}=6\cdot \dfrac{3}{2}=9$ miles.

If $t=9$ hours, then $D=6\cdot 9=54$ miles.

If $t=4\dfrac{1}{2}$ hours, then $D=6\cdot 4\dfrac{1}{2}=6\cdot \dfrac{9}{2}=27$ miles.

So, the table is

$\begin{array}{cc}\text{Time}&\text{Distance}\\ \\1&6\\ \\\dfrac{1}{2}&3\\ \\1\dfrac{1}{3}&8\\ \\1\dfrac{1}{2}&9\\ \\9&54\\ \\4\dfrac{1}{2}&27\end{array}$

3 0

4 years ago

Read 2 more answers

I NEED THIS ASAP PLS

Dennis_Churaev [7]

Answer:

The Senior Citizens

Step-by-step explanation:

because the adult tickets cost 11 dollars each person the child tikets cost 5.50 each child and the Senior Citizens only cost 5 each person

3 0

3 years ago

What is the equation of the line that passes through the point (5, -6) and has a<br> slope of – 3/5

Inessa [10]

Answer:

The answer is

Step-by-step explanation:

To find an equation of a line when given the slope and a point we use the formula

$y - y_1 = m(x - x_1) \\$

where

m is the slope

( x1 , y1) is the point

From the question the point is (5, -6) and slope - 3/5

The equation of the line is

$y + 6 = - \frac{3}{5} (x - 5) \\ y + 6 = - \frac{3}{5} x + 3 \\ y = - \frac{6}{5} x + 3 - 6$

We have the final answer as

$y = - \frac{6}{5} x - 3 \\$

Hope this helps you

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4 years ago

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If f (x) = 2 x + 5 and three-halves are inverse functions of each other and f (x) = 2x + 5, what is

marusya05 [52]

Answer:

See explanation

Step-by-step explanation:

The question has conflicting details

$f(x) = 2x + 5$

$f(x) = 2x + 5$ and three halves doesn't sound correct.

So, I will take f(x) as

$f(x) = 2x + 5$

Next, solve for the inverse function

Replace f(x) with y

$y = 2x + 5$

Swap x and y

$x = 2y + 5$

Make 2y the subject

$2y = x-5$

Make y the subject

$y = \frac{x-5}{2}$

Replace y with the inverse sign

$f^{-1}(x) = \frac{x-5}{2}$

So, now we can calculate any value from the original function and from the inverse function.

For instance:

$f^{-1}(7) = \frac{7-5}{2} = \frac{2}{2} = 1$

$f(1) = 2*1 + 5 = 2+5=7$

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3 years ago

There are 165 deer in a state park. The population is increasing at the rate of 12% per year. Enter a prediction for how long it

Paha777 [63]

The deer population will reach 309 in approximately 6 yrs

Year 1. 165•1.12=184.8
Year 2. 184.8•1.12=206.976
Year 3. 206.976•1.12=231.813
Year 4. 231.813•1.12=259.63
Year 5. 259.63•1.12=290.785
Year 6. 290.785•1.12=325.679

Therefore it will take 6 years for the deer’s population to reach 300

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3 years ago