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3 years ago

What is 10 +20-9+2+8-3 first to answer will get brainlyest

Mathematics

1 answer:

True [87]3 years ago

3 0

28!!!!!!!!!!!!!!!!!!!!

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900 is times as much as 9

Airida [17]

100 x 9 = 900
so

900 / 100 = 9

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3 years ago

A bucket that weighs 5 lb and a rope of negligible weight are used to draw water from a well that is 60 ft deep. The bucket is f

mestny [16]

Answer:

The value is $W= 2640 \ ft \cdot lb$

Step-by-step explanation:

From the question we are told that

The weight of the bucket is $F = 5 lb$

The depth of the well is $x_1 = 60 \ ft$

The weight of the water is $W_w = 42 lb$

The rate at which the bucket with water is pulled is $v = 1.5 \ ft/s$

The rate of the leak is $r = 0.15 lb/s$

Generally the workdone is mathematically represented as

$W = \int\limits^{x_1}_{x_o} {G(x)} \, dx$ ]

Here G(x) is a function defining the weight of the system (water and bucket ) and it is mathematically represented as

$G(x) = F + (W_w- Ix)$

Here I is the rate of water loss in lb/ft mathematically represented as

$I = \frac{r}{v}$

=> $I = \frac{0.15 }{1.5 }$

=> $I = 0.1$

$G(x) = 5 + (42- 0.1x)$

=> $G(x) = 47- 0.1x)$

$W = \int\limits^{60}_{0} {47- 0.1x} \, dx$ ]

=> $W = [47x - \frac{0.1x^2}{2} ]|\left 60} \atop {0}} \right.$

=> $W= [47(60) - 0.05(60)^2]$

=> $W= 2640 \ ft \cdot lb$

7 0

3 years ago

Which fractions add together to make 5/8<br> 5<br>

Licemer1 [7]

Answer:

$\frac{10}{16}$

Step-by-step explanation:

4 0

3 years ago

Which equation describes the function shown?

murzikaleks [220]

Answer choice a :
y = x + 4

8 0

3 years ago

Read 2 more answers

I need 6x-10 ima not too good with these

Verizon [17]

x=11

the angles are congruent so 6x-10=56

6x=66

x=11

5 0

3 years ago