2 years ago

An equation of a line with a slope of - 2 and a y-intercept of 2.5 is a

Mathematics

1 answer:

Sonbull [250]2 years ago

4 0

Answer:

y= -2x +2.5

Step-by-step explanation:

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Solving equations-variables on both sides!

Lesechka [4]

Answer:

no solution !

Step-by-step explanation:

because when you do the solving steps:

Distributative Property

combine like terms

x goes away bc you subtract 3x from 3x

therefor NO solution

Hope this helps ;)

8 0

3 years ago

Find the distance traveled in 35 seconds by an object traveling at a velocity of v(t) = 20 + 5cos(t) feet per second

rosijanka [135]

$s(t)= \int\limits^{35}_0 {v(t)} \, dt \\ =\int\limits^{35}_0 {(20+5cos(t))} \, dt \\ =[20t+5sin(t)]^{35}_0 \\ =(20(35)+5sin(35))-(20(0)+5sin(0)) \\ =700+2.868=702.868 \, feet$

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3 years ago

Find the point B on AC such that the ratio of AB to BC is 2:3

Virty [35]

Answer:

B(4, - 3 )

Step-by-step explanation:

We have A(2, - 7) and C(7, 3 )

Using the section formula to calculate the coordinates of B

$x_{B}$ = $\frac{3(2)+2(7)}{2+3}$ = $\frac{6+14}{5}$ = $\frac{20}{5}$ = 4

$y_{B}$ = $\frac{3(-7)+2(3)}{2+3}$ = $\frac{-21+6}{5}$ = $\frac{-15}{5}$ = - 3

Hence B(4, - 3 )

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3 years ago

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kotykmax [81]

Answer:

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Step-by-step explanation:

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3 years ago

Gabby’s goal is to save more than $400. She saves $20 per week plus $50 initially. Let we b the number of week.

Sphinxa [80]

Answer: 17

Step-by-step explanation:

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3 years ago