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3 years ago

8/5 = 9/v What is V?

Mathematics

2 answers:

irakobra [83]3 years ago

5 0

Answer:

v= 5,625

Step-by-step explanation:

8/5=9 /v ⇒8×v=5×9 ⇒8v=35 ⇒v= 35/8 ⇒v= 5,625

cricket20 [7]3 years ago

4 0

Answer:

Five maybe

Step-by-step explanation:

if its wrong my fault

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Keith left his house, rode his bike 3 miles along one road, took a 90 degree turn, and rode 3 miles to the local swimming pool.

dem82 [27]

Answer:

Keith travelled 4.2 miles if he had ridden directly to the pool

Step-by-step explanation:

Given: In a right triangle, the distance from the angle with measure 90 degrees to Keith's pool is 3 miles, and the distance to the pool is 3 miles.

To find: Distance travelled by Keith if he moved directly from house to swimming pool

Solution:

ΔABC is a right angled triangle.

Using Pythagoras theorem, square of hypotenuse is equal to sum of squares of base and perpendicular

$AC^2=AB^2+BC^2\\=3^2+3^2\\=9+9\\=18\\\Rightarrow AC=\sqrt{18}=4.2\,\,miles$

Keith travelled 4.2 miles if he had ridden directly to the pool

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4 years ago

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Jack Drove 40 1/2 miles. He used 1 1/2 gallons of gasoline. What is the unit rate for miles per gallon

Maurinko [17]

Answer: dang I learned this and forgot

Step-by-step explanation:

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3 years ago

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Given the midpoint and one of the endpoints of a line segment, find the other endpoint. Midpoint: (0,3) Endpoint: (6,-3)

andrey2020 [161]

Answer:

$(-6,9)$

Step-by-step explanation:

Midpoint: (0,3)

Endpoint: (6,-3)

Use the midpoint formula:

$M=(\frac{x_{1}+x_{2}}{2} ,\frac{y_{1}+y_{2}}{2})$

Since you already have the midpoint and you need an endpoint, let the unknown endpoint be (x,y). Take the midpoint formula apart:

$\frac{x_{1}+x{2}}{2}=m_{x}$

$\frac{y_{1}+y_{2}}{2} =m_{y}$

$m_{x}$ and $m_{y}$ are the coordinates of the midpoint. Enter the known values of the midpoint into the equations:

$(0_{m_{x}},3_{m_{y}})\\\\\frac{x_{1}+x_{2}}{2}=0 \\\\\frac{y_{1}+y{2}}{2}=3$

Now enter the known endpoint values:

$(6_{x_{1}},-3_{y_{1}})\\\\\frac{6+x_{2}}{2}=0\\\\\frac{-3+y_{2}}{2}=3$

Solve for x. Multiply both sides by 2:

$2*(\frac{6+x}{2})=2*(0)\\\\6+x=0$

Subtract 6 from both sides:

$6-6+x=0-6\\x=-6$

Now solve for y. Multiply both sides by 2:

$2*(\frac{-3+y}{2})=2*(3)\\\\ -3+y=6$

Add 3 to both sides:

$-3+3+y=6+3\\y=9$

Now take the values of x and y and turn into a point:

$x=-6\\y=9\\(-6,9)$

Finito.

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The water rate for a city is $1.36 per 752 gallons of water used.

garik1379 [7]

Answer: $36.16 because you have to divide 20,000 by 752

Step-by-step explanation: because if it's 1.36 per 752 gallons and you use 20000 gallons it would be $36.16

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