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topjm [15]
2 years ago
8

Permutations and Combinations : wake up cereal comes in 2 types, crispy and crunchy. If a researcher has 10 boxes of each, how m

any ways can he select three boxes of each for a quality control test?
Mathematics
1 answer:
pantera1 [17]2 years ago
6 0

Answer:

I'm pretty sure theres 11 ways

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How do you solve (2x-7)(5x+3)=0
sammy [17]

Step-by-step explanation:

First I do it as separate equations 2x-7=0 and 5x+3=0. In this equation you get two answers so you first answer 2x-7=0

2x-7=0

    +7   +7

2x=7

/2   /2

x=7/2

Then do 5x+3=0

                     -3  -3

                5x=-3

                    /5 /5

                x=  -3/5

Then you can check by putting them back in.

7 0
3 years ago
A person is to install five devices each 6 7/8 inches wide with 3 1/2 inches between switches. how much space will be needed to
solong [7]
Refer to the diagram shown below.

w = 6 7/8 in = 6.875 in, the width of each device.
d = 3 1/2 in = 3.50 in, the space between teo devices.

The total space needed is
D = 4(w+d) + w
    = 5w + 4d
    = 5*6875 + 4*3.5 
D  = 48.375 in  or 48 3/8 in

Answer:  48 3/8 inches or 48.375 inches

6 0
3 years ago
Which of the following is equivalent to the complex number i^13
mestny [16]

Answer:i

Step-by-step explanatio

4 0
3 years ago
HELP ASAP PLEASE!!!
sasho [114]
Y=x^3+5
y^-1=....
example >>a=x^3+5
a-5=x^3
3√a-5=x
y^-1=3√x-5
3 0
3 years ago
In 17 years, Danforth's age will be 1 more than three times what it is now. How old will Danforth be in 30 years?
lyudmila [28]

Answer:

38

Step-by-step explanation:

8+17=25 25=8x3. His current age is 8 so 8+30=38

6 0
3 years ago
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