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goldfiish [28.3K]
3 years ago
13

What is the equation of a line with a slope of 2 and a y intercept of -5?

Mathematics
1 answer:
Elanso [62]3 years ago
7 0

Answer:

y=2x-5

Step-by-step explanation:

The slope is how you move so you could also call it m

The y intercept is where you begin so you could call it b

So every time you need to find the equation or which one is like the slope just remember m=move b= begin

y=mx+b

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A trampolinist steps off from 15 feet above ground to a trampoline 13 feet below. The function h (t) = -16 t 2 + 15, where t rep
kondor19780726 [428]

Answer:

Trampolinist will land on the trampoline after 0.9 seconds.

Step-by-step explanation:

The function h(t) = -16t² + 15 represents the relation between height 'h' above the ground and the time 't' of the trampolinist.

We have to find the time when trampolinist lands on the ground.

That means we have to find the value of 't' when h(t) = 15 - 13 = 2

[Since trampoline is 2 feet above the ground]

When we plug in the value h(t) = 2

2 = -16t² + 15

2 + 16t² = -16t² + 16t² + 15

16t² + 2 = 15

16t² + 2 - 2 = 15 - 2

16t² = 13

\frac{16t^{2}}{16}=\frac{13}{16}

t^{2}=\frac{13}{16}

t = \sqrt{\frac{13}{16}}

t ≈ 0.9 seconds

Therefore, trampolinist will land on the trampoline at 0.9 seconds.

5 0
2 years ago
What is the value of x?<br> (2x-54)<br> (16)°
vagabundo [1.1K]

Answer:

23

Step-by-step explanation:

7 0
2 years ago
When I evaluate m=2 , h=1 then what would mh+3 would be?
Andrei [34K]

Answer:5

Step-by-step explanation: since you know that m=2, and h=1, mh is the same as m × h, or 2×1. Which is equal to 2, you then add 3 to get your answer

7 0
3 years ago
I am drivin 45 miles per hour how far can I drive in 2 hours and 20 minutes
Orlov [11]
45/60= .75 miles each minute
45x2= 90 miles in 2 hours
.75×20=15 miles in 20 min

90+15=105 miles in 2 hours n 20 min
4 0
3 years ago
Read 2 more answers
When two people each measured a windows width, their results were 79 cm and 786 mm. Are these results equally precise? Explain.
rosijanka [135]

The second result is more precise because it's in millilitre,so if the first were to be fully precise,it should have been 78.6 cm.

Hope this helps!

4 0
3 years ago
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