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IgorLugansk [536]
3 years ago
8

What is the difference in miles between Kay’s longest bike ride and her shortest bike ride?

Mathematics
1 answer:
Vladimir [108]3 years ago
7 0
(add the numbers up)
monday-12.45
tuesday-12.7
wednesday-13.9
thursday-12.65
friday-12.55
(find highest and lowest)
13.9 & 12.7
(minus them)
13.9-12.7=1.2
Answer is 1.2

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Answer:

angle c

Step-by-step explanation:

angle c is the angle of incidence.  It is the angle between the perpendicular  ( line that meets the surface at 90 degrees) and the ray that is coming in

8 0
3 years ago
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How many solutions douse -5x-8=+8
larisa [96]

Answer: One solution

Step-by-step explanation:

Given

-5x-8=8

Add 8 on both sides

-5x-8+8=8+8

-5x=16

Divide -5 on both sides

-5x/-5=16/-5

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Hope this helps!! :)

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8 0
2 years ago
Help center of circle
Lelu [443]

Answer:

Center = (7, - 5)

Radius = 3

Step-by-step explanation:

{x}^{2}  +  {y}^{2}  + 14x - 10y + 65 = 0 \\  {x}^{2}  + 14x +  {y}^{2}  - 10 + 65 = 0 \\ ( {x}^{2}  + 14x +  {7}^{2})  -  {7}^{2}  +  ({y}^{2}  - 10y +  {5}^{2})  \\-  {5}^{2}  + 65 = 0 \\ (x + 7)^{2}  + (y - 5)^{2}  - 49 - 25 + 65 = 0 \\  (x + 7)^{2}  + (y - 5)^{2}  - 49  + 40= 0 \\   (x + 7)^{2}  + (y - 5)^{2}  - 9= 0 \\   (x + 7)^{2}  + (y - 5)^{2}   =  9 \\  (x + 7)^{2}  + (y - 5)^{2}   =   {3}^{2}  \\  equating \: it \: with \: \\ (x  -  h)^{2}  + (y - k)^{2}   =   {r}^{2}  \\  - h = 7 \implies \: h =  - 7 \\  - k =  - 5 \implies \: k = 5 \\ center = ( - h, \:  - k)  = (7, \:  \:  - 5) \\  \\ radius \: r = 3

7 0
3 years ago
Find the slope of the line. <br><br>A) -3/4<br><br>B) 3/4<br><br>C) 4/3<br><br>D) -4/3​
Slav-nsk [51]
-3/4 because it's negative and also you can work it out by using rise/run
3 0
3 years ago
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Which function in vertex form is equivalent to f(x) = x² + x +1?
mylen [45]

Answer:

\left( x+\frac{1}{2} \right)^{2}  + \frac{3}{4}

Step-by-step explanation:

NOTE :

x^2+ax=\left( x+\frac{a}{2} \right)^{2}  -\left( \frac{a}{2} \right)^{2}

………………………………………

f(x) = x² + x +1

     =x^{2}+2\times \frac{x}{2} +1

     =\left( x+\frac{1}{2} \right)^{2}  -\left( \frac{1}{2} \right)^{2}  +1

     =\left( x+\frac{1}{2} \right)^{2}  - \frac{1}{4}+1

     =\left( x+\frac{1}{2} \right)^{2}  + \frac{3}{4}

4 0
2 years ago
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