anonymous
  • anonymous
What is the value of the expression when a = 5 and b = 3? 4a ^ 2 - 5b^2 A. 55 B. 74 C. 81 D. 145
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
@Black_ninja123
anonymous
  • anonymous
A- you just plug in the numbers for a and b
Black_ninja123
  • Black_ninja123
what is 4*5^2

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More answers

anonymous
  • anonymous
100
Black_ninja123
  • Black_ninja123
Correct what is 5*3^2
anonymous
  • anonymous
45 I'm pretty sure
Black_ninja123
  • Black_ninja123
Now add both numbers
anonymous
  • anonymous
145 yes?
Black_ninja123
  • Black_ninja123
Yes
anonymous
  • anonymous
Thanks I passed.
anonymous
  • anonymous
but youre not adding the equation says your subtrating
anonymous
  • anonymous
It's fine that was the last one
anonymous
  • anonymous
It wasn't going to affect anything really just some homework
Black_ninja123
  • Black_ninja123
Oh subtract 100- 45
anonymous
  • anonymous
ok thanks
Black_ninja123
  • Black_ninja123
Double check your other problems to see if you used the right sign
anonymous
  • anonymous
It was an online test I passed by only missing one and no re trys But as long as I passed it's fine
Black_ninja123
  • Black_ninja123
Ok which one did you miss?
anonymous
  • anonymous
The last one subtraction it was nothing that would affect my grade or the test.
anonymous
  • anonymous
1 missed out of 20
Black_ninja123
  • Black_ninja123
Ok
Black_ninja123
  • Black_ninja123
I gtg cya

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