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Alexus [3.1K]
3 years ago
10

20 POINTS!!!!!

Mathematics
1 answer:
cluponka [151]3 years ago
3 0
A) We can pick any two values from the table then can subtract initial value from final value divide by the number of instance which will give us the rate of change.

b) Same with the graph, we take two coordinates and then apply in the formula:
 slope (m) = y2-y1 / x2-x1

c) We can write the equation, by substituting into the formula:
y - y1 = m (x - x1)
Where y-interecpt & slope is most important

d) When, we completely solve the equation, then it gives y-intercept, and first value of the path in the graph is known as initial value

e) In linear interval, difference between any two instances must be same, 'cause they follow the rule of proportionality whereas in non-interval, differnce will be different in magnitude

Hope this helps!
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gracie uses 10 beads on each necklaces she makes. she has 60 beads to use. how many necklaces can Gracie make?
Liula [17]
Since 10 beads are on each necklace and she has a total of 60 beads to use, all you need to do is 60 divided by 10. That will give you the answer of 6.

Gracie can make 6 necklaces.
8 0
3 years ago
Read 2 more answers
Solve by substitution, elimination, or graphing. Show your work.
Flura [38]
1. 3t + 2b = 16....multiply by -3
    5t + 3b = 25...multiply by 2
   ----------------
    -9t - 6b = -48 (result of multiplying by -3)
    10t + 6b = 50 (result of multiplying by 2)
  ---------------- add
   t = 2

3t + 2b = 16
3(2) + 2b = 16
2b = 10
b = 5

so tacos (t) cost $ 2 and burritos (b) cost $ 5
===================
d + q = 75......d = 75 - q
0.10d + 0.25q = 10.95

0.10(75 - q) + 0.25q = 10.95
7.50 - 0.10q + 0.25q = 10.95
0.15q = 3.45
q = 23....so there are 23 quarters
=====================
x = 2 point shots, y = 3 point shots
x + y = 24.....multiply by -2
2x + 3y = 54
----------------
-2x - 2y = -48 (result of multiplying by -2)
2x + 3y = 54
----------------add
y = 6.......so there was 6 three point shots

x + y = 24
x + 6 = 24
x = 18......and 18 two point shots
======================
5.50g + 5 = 2.50g + 17
5.50g - 2.50g = 17 - 5
3g = 12
g = 4......they will cost the same with 4 game rentals
less then 4 rentals, use Fun Guys....more then 4, use Game Bank
=======================
(2,5)(4,9)
slope = (9 - 5) / (4 - 2) = 4/2 = 2

y = mx + b
slope(m) = 2
(2,5)...x = 2 and y = 5
now sub and find b, the y int
5 = 2(2) + b
5 = 4 + b
5 - 4 = b
1 = b
so ur equation is : y = 2x + 1 (line A)

(0,5)(3,8)
slope = (8 - 5) / (3 - 0) = 3/3 = 1

y = mx + b
slope(m) = 1
(0,5)...x = 0 and y = 5
now sub
5 = 1(0) + b
5 = b
so ur equation is : y = x + 5 (line B)

y = 2x + 1
y = x + 5

2x + 1 = x + 5
2x - x = 5 - 1
x = 4

y = 2x + 1
y = 2(4) + 1
y = 8 + 1
y = 9
so they will meet at (4,9)
=====================
sorry..not 100% sure about the bonus

    
4 0
3 years ago
Need help on this problem
vladimir2022 [97]
176.72 m^2 im thinking
5 0
4 years ago
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What function is increasing at the highest rate
UNO [17]
I think you forgot the picture…
5 0
2 years ago
4. Mrs. Holder gave each team of 4 students 9 packs of paper to split evenly. How many packs of paper did each team member get?
Rudiy27
Option c is the correct answer

9/4=2 1/4
8 0
3 years ago
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