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3 years ago

12

x can do a job in 16 days and y can do the same jovb in 20 days x y and z can do the job in 7.5 days. alone z can do the same jo

b in

2 answers:

Ymorist [56]3 years ago

8 0

It is 24 days because it will be higher than both x y

MissTica3 years ago

4 0

Answer:

24 days

Step-by-step explanation:

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Katelyn needs to cover her sofa cushions. If each cushion is a 10 in. by 11 in. by 4 in. rectangular prism, and there are 3 cush

Svet_ta [14]

Answer:

1,164 in²

Step-by-step explanation:

the area of 1 sofa cushion =

2× ( 10×11 + 10×4 + 11×4)

= 2 × (110+40+44)

= 2×(194)

= 388 in²

the fabrics she needs to cover 3 sofa cushions =

3 × 388 = 1,164 in²

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2 years ago

An arc of a circle is 3πm long, and it subtends an angle of 72° at the center of the circle. Find the radius of the circle.

Alex777 [14]

72⁰_______3π m
360⁰______15π m

C = 15π = 2π r
r = 7•5 m

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3 years ago

Solve the system of equations by substitution. 3/8x + 1/3y = 17/24

VashaNatasha [74]

Answer:

this question is not complete. need another equation

Step-by-step explanation:

give another equation then I can solve

$\frac{3}{8} x = \frac{17}{24} - \frac{1}{3} y \\ x = \frac{17}{9} - \frac{8}{9} y$

7 0

2 years ago

Find the slope of the line passing through (0,-5) and (-4, 7),

choli [55]

Answer:

m = -3

Step-by-step explanation:

The slope formula is y2 - y1 / x2 - x1

7 - -5 = 7 + 5 = 12

-4 - 0 = -4

12 / -4 = -3

I hope this helps :))

7 0

2 years ago

How do u distribute 4(9-6)

andrew11 [14]

Multiply 4 by nine and for by six
hope this helped

4 0

2 years ago

Read 2 more answers