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agasfer [191]
3 years ago
14

Jessica is a custodian at Oracle Arena. She waxes 20 m220 \text{ m}^220 m​2​​20, space, m, start superscript, 2, end superscript

of the floor in 35\dfrac35​5​​3​​start fraction, 3, divided by, 5, end fraction of an hour. At this rate, how many square meters can she wax per hour?
Mathematics
2 answers:
GarryVolchara [31]3 years ago
4 0
Given that she waxes 20m^2 of the floor in \frac{3}{5} hours. Thus in one hour she will wax

\frac{20}{ \frac{3}{5} } =20\times \frac{5}{3} =33.33m^2
9966 [12]3 years ago
3 0

Answer:

100/3

Step-by-step explanation:

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Your friend is trying to grow her hair as long as her cousin's hair. The table (attached) shows their hair lengths (in inches) i
astra-53 [7]

Answer:

a)  y = 1/2x + 5/2

    y = 2/5x + 29/5

b)  hair will be 19 inches for both at 33 months

Step-by-step explanation:

a) rate of growth of friend's hair:  (3, 4) (8, 6.5)  

(6.5 - 4) ÷ (8 - 3) = 2.5/5 or 1/2

find the y-intercept of equation for growth of friend's hair:

y = mx + b

4 = 1/2(3) + b

4 = 3/2 + b

8/2 - 3/2 = b

5/2 = b

equation for growth of friend's hair:

y = 1/2x + 5/2

rate of growth of cousin's hair:  (3, 7) (8, 9)  

(9 - 7) ÷ (8 - 3) = 2/5

find the y-intercept of equation for growth of cousin's hair:

y = mx + b

9 = 2/5(8) + b

9 = 16/5 + b

45/5 - 16/5 = b

29/5 = b

equation for growth of cousin's hair:

y = 2/5x + 29/5

b) y = 1/2x + 5/2

   y = 2/5x + 29/5

1/2x + 5/2 = 2/5x + 29/5

5/10x + 25/10 = 4/10x + 58/10

1/10x = 33/10

10x = 3300

x = 33

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3 years ago
Can someone help me with this question?
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Answer:

1/10

Step-by-step explanation:

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