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kherson [118]
3 years ago
12

I. Find the following product using identities : 1. (2Z + 5) (2Z + 5) ​

Mathematics
1 answer:
aliya0001 [1]3 years ago
8 0
Using the identity (a+b)(a+b) = a^2 + 2ab + b^2 we get the answer 4Z^2 + 20Z + 25
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The function h(t)=−5t2+20t+60 h ( t ) = - 5 t 2 + 20 t + 60 models the height, in meters, of a ball t seconds after it is thrown
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what i am supposed to answer

Step-by-step explanation:

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4 years ago
Kendall had $80 in her bank account after she bought three shirts that each cost the same amount she has $53 in her bank account
77julia77 [94]

Answer:

Each shirt was $9

Step-by-step explanation:

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3 years ago
Yvonne is 3 years younger than her sister.the sum of thier ages is 25 years.​
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Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
A chemical company makes two brands of antifreeze. The first brand is 55% pure antifreeze, and the second brand is 80% pure anti
kap26 [50]

Answer:

  102 gallons of 55% antifreeze

  68 gallons of 80% antifreeze

Step-by-step explanation:

55% antifreeze:   x

80% antifreeze:   y

x + y = 170                        ===>  -.55(x + y = 170)   ===>   -.55x - .55y = -93.5

.55x + .80y = .65(170)      ===>                                          .55x + .80y = 110.5      

                                                                                         ________________

add the two equations to eliminate a variable:                        0.25y = 17

divide by 0.25 to isolate y:                                                               y = 68

substitution to find x:    

  x + y = 170

  x + 68 = 170

          x = 102

6 0
3 years ago
Dr. Potter provides vaccinations against polio and measles.
Juliette [100K]

Answer:

A) 4

B)2 c) 60 d) 184 I think 730

6 0
3 years ago
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