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stira [4]
3 years ago
7

Vince can mop a floor in 30 minutes. Annie can mop the same floor in 45 minutes. How long would it take them to mop the floor if

they work together?
Mathematics
1 answer:
amid [387]3 years ago
5 0

Answer: 15 i think

Step-by-step explanation: not sure

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a polynomial function p(x) with rational coefficients has the given roots (10-square root of 6 and 4i). Find two additional root
Aleonysh [2.5K]

Answer:

6px

Step-by-step explanation:

hope this help

8 0
3 years ago
Find the roots: x^2−12x+32=0​. <br><br> Enter your answers in the boxes (numbers only).
AnnZ [28]

The answers are 4 and 8.

Because:

x^2 - 12x + 32 =

(x - 4)(x - 8)

x - 4 = 0

   +4    +4

x = 4

x - 8 = 0

  +8    +8

x = 8

8 0
3 years ago
Whats the least common denominator of 9, 13, and 20
aliya0001 [1]

Answer:

13 = 13  

20 = 2^2 • 5  

9 = 32

Prime Factor   Number 13   Number 20   Number 9    L.C.M  

   2                         0                        2                     0               2

   3                          0                        0                     2               2                                                  

   5                          0                         1                     0                  1  

 

   13                         1                         0                    0                   1

6 0
3 years ago
A family pays for 50 MB of internet connectivity for downloads. When measuring their internet speed, a family member observed a
harkovskaia [24]

Answer:

its 70% of the speed they expected

4 0
3 years ago
Which expression results from using the distributive property 2(5 + r)
Vinvika [58]
Using the distributive property we know we distribute by multiplying the outside values to those inside of the parentheses

outside values: 2

inside values: 5 and r

now multiply out inside values by the outside values

2x5 = 10

2xr = 2r

now plug these values back in for the inside values and take away the outside value and the parentheses

so 2(5+r) using the distribution property is 10+2r
7 0
3 years ago
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