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Romashka [77]
3 years ago
9

Write a symbolic representation​ (formula) for a linear function f that calculates the following.

Mathematics
1 answer:
lilavasa [31]3 years ago
6 0
Distance equals rate times time

rate: 60 mph

time: t hours

f(t) = 60*t
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7 0
3 years ago
Please solve this simultaneous equation, i'm not that good at it.<br><br> 2r-s=10<br> rs-s^2=12
o-na [289]

Answer:

s = 6, r = 8 or s = 4, r = 7

Step-by-step explanation:

2r - s = 10

2r = 10 + s

r = 5 + s/2 --(1)

rs - s^2 = 12 --(2)

sub (1) into (2):

(5 + s/2)s - s^2 = 12

5s + 0.5s^2 - s^2 = 12

-0.5s^2 + 5s - 12 = 0

s^2 - 10s + 24 = 0

(s - 6)(s - 4) = 0

therefore s = 6 or s = 4

when s = 6, r = 8 and when s = 4, r = 7

if you would like to discover more about simultaneous equations, you can have a look at my Instagram page (learntionary). I'll be posting mathematics related stuff there and some of my notes (simultaneous enq notes are already posted!)

7 0
2 years ago
What number is 7 units to the left of -1?
expeople1 [14]
7 unit to the left, means it is 7 less than -1. 
-1-7 = -8

Ans: -8
7 0
3 years ago
Please Help Fast!!!!!​
Gnoma [55]
Hey I just saw this do u need Help Still or no my fault gang nobody helped you out at all
3 0
1 year ago
Question 4 (Essay Worth 10 points) (06.04 HC) A figure is located at (2.0), (2, -2), (6, -2), and (6.0) on a coordinate plane. W
lukranit [14]

Answer: cylinder

Step-by-step explanation:

7 0
2 years ago
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