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denpristay [2]
3 years ago
11

Jack and Jill are planting a garden together. If it takes Jack 8 hours on his own to plant the garden, and Jill 10 hours on her

own, how many hours would it take them if they work together
Mathematics
1 answer:
Sidana [21]3 years ago
8 0
It would take them 4-5 hours if they worked togethwr
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9. A rectangle has an area of 45m²
love history [14]

Answer:

Lenght=3\,m

Product of length and width= 45

Step-by-step explanation:

The product of the length and width of the rectangle is called the area of the rectangle.

Area of the rectangle= 45\,m^2

Width=15\,m

Area of the rectangle= Length\times Width

    45=Length\times 15\\\\Length=\dfrac{45}{15}\\\\ Length=3\,m

The product of the Length and Width of the rectangle is :

=3\times15\\\\=45 m^2 i.e area of the rectangle.

6 0
3 years ago
I need help on this problem, if you can help me ill really be grateful. If you could also explain it that would be great.
givi [52]

Answer:

x=3

Step-by-step explanation:

The square root of 225 is 15

so 15=4x+3

    -3        -3

      12=4x

If 12=4x then x=3

5 0
2 years ago
Work out the percentage discount offered with the family ticket option
ycow [4]

Answer:

15% discount was offered with the family ticket option.

Step-by-step explanation:

So adult is 55 so 55 x 2=110

45 x 2=90

110+90=200 so 170 ( Family ticket )

170 divide by 200=0.85 x 100=85% 100% - 85%=15%

5 0
2 years ago
A table contains the ordered pairs (3, 42.25) and (5, 50.75). If the relationship in the table is linear, explain how to find th
Basile [38]

Answer:

The linear relationship ( the linear equation ):

y = m x + b ( the slope-intercept form )

m = ( 50.75 - 42.25 ) / ( 5 - 3 ) = 8.50 / 2 = 4.25 ( the slope )

42.25 = 4.25 * 3 + b

b = 42.25 - 12.75

b = 29.50

y = 4.25 * x + 29.50

Answer:

The initial value is : ( 0,  29.50 ) or 29.50.

5 0
3 years ago
Read 2 more answers
Yesterday the student councils bank account balance was -$54.31. Today the balance is $65.10. What is the change in dollars in t
uysha [10]
-$69.68 is your answer if I hope that this is correct.
3 0
3 years ago
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