Answer:
81.5, 9, 180
Step-by-step explanation:
28.
c=9
9x9=81
a=1/2
81+1/2=81.5
29.
9x1/2=4.5
4.5x2=9
30.
15x15=225
9x5=45
225-45=180
hope this helps!!!
7x² + 20x - 3 = 0
x = <u>-(20) +/- √((20)² - 4(7)(-3))</u>
2(7)
x = <u>-20 +/- √(400 + 84)</u>
14
x = <u>-20 +/- √(484)
</u> 14<u>
</u>x = <u>-20 +/- 22
</u> 14<u>
</u>x = <u>-20 + 22</u> x = <u>-20 - 22
</u> 14 14<u>
</u>x = <u>2</u> x = <u>-42
</u> 14<u /> 14
x = ¹/₇ x = -3<u />
Answer:
The answer to your question is 20, I may be wrong, if I am try this.
Step-by-step explanation:
Try adding 44 and 12 together, then divide your answer by 5.
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Thanks for the points.
Answer:
50 + 1 + + +
Step-by-step explanation:
This is the answer because:
1) 50 and 1 equal to 51
2) The fraction forms of a decimal number is: the decimal number/the decimal number place value
3) Therefore, the answer is 50 + 1 + + +
Hope this helps!