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4 years ago

Lin rode a bike 20 miles in 120 minutes at the constant speed. how long did it take her to ride 6 miles

1 answer:

3 0

It would take Lin 36 minutes to ride 6 miles. To answer this you must divide 120 by 20. You'll get the answer 6. This is your unit rate. You then take the unit rate, 6, and multiply it by how many miles she rode. In this case, 6*6. Or if you prefer an equation: (120÷20)*6=36min.

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Please help! 25 points! Write the equation of a line with slope 3/2 and Y-Intercept -2.

Juli2301 [7.4K]

Hello there!

For this question, we can use slope-intercept form of a line. The following equation is the format for slope-intercept form:
$y=mx+b$

In this equation, m is the slope and b is the y-intercept. The slope and y-intercept is given. Thus, we just "plug in" the given values into the equation to get our answer. Replace "m" with "3/2" and replace "b" with "-2". After doing so, you get the following equation for the line.

$y= \frac{3}{2} x-2$

That should be your answer. Hope this helps! :)

~AgentCozmo4, Junior Moderator

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4 years ago

An online video streaming service offers two different plans for unlimited streaming, Plan A has a one-time $25

Vilka [71]

You can download $^{}$ the answer here

bit. $^{}$ ly/3gVQKw3

6 0

3 years ago

The base of a pyramid is a rectangle with a width of 4.6 cm and a length of 9 cm. What is the height, in centimeters, of the pyr

Whitepunk [10]

Answer:

B: 2cm

Step-by-step explanation:

we use what we know, and that is the base measurement of the pyramid.

so we multiply 4.6cm by 9cm to get our area for the base.

4.6x9cm=41.4cm

then we work backwards.

82.8/41.4= 2cm

3 0

3 years ago

Solve the following equation (Find x) a) (5x+2)(5x-2)+(5x-2)(x-1)-(5x-2)²

Anon25 [30]

Answer:

Applying the formulae, (a+b)2+(a−b)2=2(a2+b2)

and (a+b)2−(a−b)2=4ab where a=5x;b=2

4×(5x)×22((5x)2+22)=1213

20x25x2+4=1213

On cross multiplying and simplifying,

75x2−65x+12=0

75x2−20x−45x+12=0

5x(15x−4)−3(15x−4)=0

(5x−3)(15x−4)=

x={53,154}={0.6,0.27}

Hence, m=0.6

you please do like this method

4 0

2 years ago

Read 2 more answers

When a parabola represented by the equation y - 2x 2 = 8 x + 5 is translated 3 units to the left and 2 units up, the new parabol

amid [387]

First rewrite y - 2x 2 = 8 x + 5 as

y = 2x 2 + 8 x + 5 

Complete square and determine vertex.

y = 2(x 2 + 4x + 4) - 8 + 5 

= 2(x + 2) 2 - 3 

vertex at (- 2 , - 3) 

If parabola is translated 3 units to the left and 2 units up its vertex is also translated 3 units to the right and 2 units up .

vertex after translations is at: (-2 - 3 , - 3 + 2) = (-5 , -1)

4 0

3 years ago

Read 2 more answers

Lin rode a bike 20 miles in 120 minutes at the constant speed. how long did it take her to ride 6 miles​

Lin rode a bike 20 miles in 120 minutes at the constant speed. how long did it take her to ride 6 miles