Hal wants to buy a cake for his friend's birthday. When he went to the bakery, he found that price was marked down by 10%. If Ha
l pays $30, what was the original price?
Help plzz
1 answer:
You have to make a fraction like
10. X
—- =——
100 30
Then do that bat and ball thing and
The answers
3
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Answer:
1 is the answer.
Step-by-step explanation:
The mode of a data set is the number that occurs most frequently in the set.
replace the value of x int eh equation
so 23x-1 becomes
23(1.1478)-1
23*1.1478 = 26.3994-1 = 25.3994
Answer:
...
Step-by-step explanation:
3x² + 2x - 4 = 0
Δ = b² - 4.a.c
Δ = 2² - 4 . 3 . -4
Δ = 4 - 4. 3 . -4
Δ = 52
x = (-b +- √Δ)/2a
x' = (-2 + √52)/2.3
x'' = (-2 - √52)/2.3
x' = 0,8685170918213297
x'' = -1,5351837584879966
2 Decimal places
x' = 0,87
x'' = -1,54
