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aalyn [17]
3 years ago
14

Evaluate the expression -8

Mathematics
1 answer:
valina [46]3 years ago
8 0

Answer:

dcsdcsdcsdc

Step-by-step explanation:

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Education
dedylja [7]

Answer:

252 ft2 (squared)

Step-by-step explanation:

area= a x b

area= 12 x 21

area= 252 ft2 (squared)

6 0
3 years ago
A cable weighing 0.6 pounds per foot is attached to a small 80-pound robot, and then the robot is lowered into a 60-foot deep we
ollegr [7]

Answer:6060 foot-pounds

Step-by-step explanation:

Given

Weight of cable(w')=0.6 pound per foot

depth of well=60 foot

weight of wrench=7 Pound

Now work done in raising monkey with wrench=w\cdot h

W_1=(80+7)\cdot 60=5220 foot-pounds

Now work done in raising rope

robot rises by climbing up the cable with one end of the cable still attached thus robot support half the weight of cable so work done

W_2==\int_{0}^{60}\frac{w'}{2}xdx

W_2=0.3\times 0.5\times  (x^2)_0^{60}

W_2=540 foot-pounds

W_{net}=5220+540=6060 foot-pounds

5 0
3 years ago
10
lutik1710 [3]

Answer:

D. $0, $20, $90

Step-by-step explanation:

If X represents the amount you win, then possible outcomes for X are $0, $20, and $90.

4 0
3 years ago
Y varies directly as x if y is 2 when x is 8 then the constant of variation is 1/4
sp2606 [1]

Answer:

a. True.

Step-by-step explanation:

y = kx

y = 2 when x = 8 gives:

2 = 8 * k

k = 2/8 = 1/4.

6 0
3 years ago
Ypu deposit $200 in an account that earns 4% simple interest. How much interest did you earn in 3 years?
Naya [18.7K]

Answer:

$1200

Step-by-step explanation:

we know that,

I=PTR/100=200*4*3/100=100*4*3=400*3=$1200

7 0
3 years ago
Read 2 more answers
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