Answer:
7
Step-by-step explanation:
ab - cd = ?
Put the numbers into the correct variables of the equation.
(5)(3) - (4)(2) = ?
Now multiply 5 and 3 with each other. This leaves you with:
15 - (4)(2) = ?
Now, multiply 4 and 2 with each other. This leaves you with:
15 - 8 = ?
Now, you are able to solve the equation.
15 - 8 = 7
9+9+7+7=32 :) you add each side up
Step-by-step explanation:
- 4x+5= 20
- 4x=20-5
- 4x= 15
- x= 15/4
therefore the answer is option
b) X= 15/4
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Answer:
D
Step-by-step explanation:
Given that f(x) has domain { 2, 4, 7 }
Substitute the values from the domain into f(x) for the range
f(2) = 2² - 5 = 4 - 5 = - 1
f(4) = 4² - 5 = 16 - 5 = 11
f(7) = 7² - 5 = 49 - 5 = 44
Thus the range is { - 1, 11, 44 } → D
7 I think
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