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ladessa [460]
2 years ago
12

What mistake did this student make?

Mathematics
2 answers:
Vilka [71]2 years ago
6 0
The answer is 3) the 1st equation should have been multiplied by 2
Gnoma [55]2 years ago
5 0

Answer:

3. the 1st equation should have been multiplied by 3

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A baker uses 5.5 lb of flour daily how many ounces of flour will he use in two weeks
Alenkasestr [34]

1 pound = 16 ounces

16 * 5.5 = 88 ounces per day

88*7 = 616 ounces per week

616 * 2 = 1232 ounces in 2 weeks

3 0
3 years ago
Read 2 more answers
Find f-1(x), if f(x) = 3x – 6. Justify your
Sergio039 [100]
Answer: 1/3 (x + 6)

Explanation: given f(x) = 3x - 6.
Let y = f(x) and so y = 3x - 6.
Trade places between x and y.
x = 3y - 6
Solve for y
x + 6 = 3y
y = x + 6/3
Now the new y is the inverse and so y = f-1(x)
f-1(x) = 1/3(x + 6)
4 0
2 years ago
Answer please. no explanation needed!
vazorg [7]
I believe the answer is 2
8 0
3 years ago
Lisa's weekly pay increases from $525 to $546<br> Calculate her percentage pay increase.
Lana71 [14]
546 - 525 = 21

21 is 4% of 525.


Lisa gained a 4% pay increase.
6 0
3 years ago
Find the solution to the set <br> b^2+12b=0 <br> use a comma
shepuryov [24]
Factor
b(b+12)=0
set to zero
b=0

b+12=0
b=-12

b=0 or -12
written as this way
b=-12,0
5 0
3 years ago
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