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lapo4ka [179]
3 years ago
8

PWEASE HELP IF YOUBARE GOOD AT MATH

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
3 0
<h3>Answer: 2</h3>

=========================================================

Explanation:

The function f(x) = -4x+1 is the same as y = -4x+1 where y = f(x)

Compare this to y = mx+b and we see the slope here is m = -4

---------

Now let's find the slope of g(x)

use the slope formula with any two rows you want. I'll pick on the last two rows.

m = (y2-y1)/(x2-x1)

m = (21-9)/(3-1)

m = 12/2

m = 6 is the slope of g(x)

---------

From here, we add the two slope values

(slope of f)+(slope of g) = -4+6 = 2

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NEED HELP ASAP, WILL MARK BRAINLIEST!!!
EastWind [94]

Answer:

7. -

a. 3.5 or 7/2 hours

b. 24.5

c. After 7 hours (and at the beginning when t=0)

8. -

a. 4 seconds

b. 1 second

c. 54 meters

Step-by-step explanation:

7. M(t)=-2t^2+14t

M’(t)=-4t+14

a)

-4t+14=0

4t=14

2t=7

t=7/2

b) M(7/2)=24.5

c)

M(t)=0

-2t^2+14t=0

t^2-7t=0

t(t-7)=0

t=0, 7

8.

a)

h(t)=0

-6t^2+12t+48=0

t^2-2t-8=0

(t-4)(t+2)=0

t=-2, 4

t=4

b)

h(t)=-6t^2+12t+48

h’(t)=-12t+12

h’(t)=0

-12t+12=0

12t=12

t=1

c) h(1)=54

I hope this helps; please vote brainliest!

3 0
3 years ago
If you add a prime number to itself, is the<br>sum composite or prime? Explain your<br>reasoning​
Igoryamba
The sum is composite because it is the same as multiplying the number by two.
3 0
3 years ago
A regular polygon has an exterior angle of 18 degrees how many sides does it have
Ne4ueva [31]
20 because for all regular polygons their exterior angles add up to 360, so 360\18 =20
8 0
3 years ago
Y+ 5\6 ≤ 1/5<br>I don't need work. thanks
stiv31 [10]
1/5 - 5/6 = -19/30, so the answer is Y ≤ 19/30
---
Hope this helps!
==jding713==
3 0
3 years ago
Ok this is getting stressful and hard already, we’re not even learning it yet but whatever, please help me will mark Brainliest
s2008m [1.1K]

Answer:

yes? im pretty sure yeah

Step-by-step explanation:

6 0
3 years ago
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