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Vsevolod [243]
3 years ago
10

Sarah's mom takes the parkway to work it takes her 30 minutes to travel from mile marker 88th where she answers to her exit at m

ile marker 121 what is her average speed
Mathematics
1 answer:
pentagon [3]3 years ago
7 0
121- 88 = 33 miles traversed in 30 minutes.
 
d = r*t
33 = r* (.5 hr)

Solve for r. Average speed will be in miles per hour. <span>
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.
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Solve the following...<br>6x - 5 = -9x -9​
sergiy2304 [10]

\quad \huge \quad \quad \boxed{ \tt \:Answer }

\qquad \tt \rightarrow \:x = -\cfrac{4}{15}

____________________________________

\large \tt Solution  \: :

\qquad \tt \rightarrow \: 6x - 5 =  - 9x - 9

[ add 9x and 5 on both sides ]

\qquad \tt \rightarrow \: 6x - 5 + 9x + 5 =  - 9x - 9 + 9x + 5

\qquad \tt \rightarrow \: 6x + 9x =  - 9 + 5

\qquad \tt \rightarrow \: 15x = -  4

\qquad \tt \rightarrow \: x =  -  \cfrac{4}{15}

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7 0
2 years ago
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What is the slope of the line y+4 = 3(x+6)
Akimi4 [234]

Answer:

3

Step-by-step explanation:

First you gotta take the equation and bring it to the following form:

y = ax + b

The slope of the line is the coefficient of x, a.

In other words:

y + 4 = 3(x + 6) \\ y + 4 = 3x + 18  \\ y = 3x + 18 - 4 \\ y = 3x + 14

So, as we can see, the number infront of x is 3. That is to say that the slope of this line is equal to 3.

3 0
3 years ago
Jasmyn is standing at the point of tangency to a wishing
timofeeve [1]

Answer:

The value of   x=17 ft.

Step-by-step explanation:

Diagram of the given scenario shown below.

Given that,

Distance from bench to Jasmyn is   PA=27ft.

Distance from bench to Willard is PB=(2x-7)ft.

From the Question,

The given wishing well is a circle and all the distance are tangent to the circle.

So, Triangle formed by these points are such as ΔPAO and ΔPBO.

Now, taking both ΔPAO and ΔPBO.

   ⇒             AO = BO                                     {Radius of circle are equal}

   ⇒             PO=PO                                     {Common side}

   ⇒          ∠PAO = ∠PBO                              {radius is always perpendicular                                                                          

                                                                           to the point of tangent }

∴            ΔPAO ≅ ΔPBO                                  {By SAS congruence theorem}

Therefore,   PA=PB         ....(1)                             {corresponding part of

                                                                           congruence triangle (CPCT)}

Thus,

   ⇒                2x-7=27                                 {from equation (1)}

   ⇒                      2x=34    

   ⇒                        x=17 ft

Hence, The value of   x=17 ft.

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miv72 [106K]

Answer:

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∠ ZVW = ∠ ZXY = 64° ( alternate angles )

The diagonals bisect each other , so

YZ = ZW

3x + 2 = 5 ( subtract 2 from eavh sides )

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x = 1

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