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Rudik [331]
4 years ago
11

Susan is twice as old as Lana. The sum of their ages 4 years ago was 37. Find how old they are now

Mathematics
1 answer:
SpyIntel [72]4 years ago
4 0

Answer:

luna 15

susan 30

Step-by-step explanation:

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6.12 x 10^4 ? 612,000
poizon [28]
No it equals to 61,200
6 0
3 years ago
Find 4% of 25. please show work
sattari [20]
Multiply 25 by .04 (change percent to decimal by moving the decimal two places to the right) You will get one. So four percent of 25 is one.

25x.04=1
3 0
3 years ago
An employee works from 8 o'clock in the morning until 4:30 PM and takes a 30 minute unpaid break for lunch this person is paid a
pantera1 [17]

Answer:

$120

Step-by-step explanation:

12-8= 4

4.5+4=8.5

8.5-.5= 8

15*8=120

.5= 30 mins

6 0
4 years ago
TEXASCHIC! :)
nlexa [21]
(3,51)(5,59)
slope = (59 - 51) / (5 - 3) = 8/2 = 4

y = mx + b
slope(m) = 4
(3,51)...x = 3 and y = 51
sub and find b, the y int
51 = 4(3) + b
51 = 12 + b
51 - 12 = b
39 = b

so ur equation is : y = 4x + 39...but u need it in standard form

y = 4x + 39
-4x + y = 39
4x - y = -39 <==== this is ur equation...x = number of hrs and y = total velocity
====================
ur x axis is the number of hrs
ur y axis is total velocity in km

y = 4x + 39......slope = 4.....y int = (0,39)....x int is (- 9.75,0) or -9 3/4 for graphing purposes)....so start at (-9.75,0)...and since the slope is 4, go up 4 and to the right 1....plot that...then up 4 and to the right 1...plot that...u will cross the y axis at (0,39)....and just connect ur plotted points and u have ur line......or what u can do since it is asking for the first 6 hrs....sub in 1 for x and solve for y....then sub in 2 for x and solve for y...keep doing this up till 6 and u will have ur line up till 6 hrs
8 0
3 years ago
Find the amount in a continuously compounded account for the following condition.
son4ous [18]

Answer:

***The balance after 4 years is ​$3738.23***

Step-by-step explanation:

The amount in a continuously compounded account is given by:

A=Pe^{rt}

where P=$3000 is the principal, r=5.5% is the annual interest rate and t=4 years.

We substitute these values to obtain:

A=3000e^{.055*4}

This will evaluate to:

A=3738.23019

Rounding to the nearest cent, we get: $3738.23

8 0
3 years ago
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