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OleMash [197]
3 years ago
8

Need help on this too ​

Mathematics
2 answers:
xeze [42]3 years ago
8 0

Answer:

I think given or distributive property

Step-by-step explanation:

Sedaia [141]3 years ago
3 0

Answer: Addition property I think

Step-by-step explanation:

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A woman deposit $100 into her son saving account on his first birthday on his second birthday she deposits $125 and $150 on his
OleMash [197]
This is just showing what I did.
100=1     125=2     150=3     175=4     200=5     225=6     250=7     275=8     300=9     325=10   350=11    375=12  400=13   425=14    450=15   475=16   500=17. So on the son's 17th birthday his mom deposited $500 in her son's saving account. Hope I helped!
5 0
3 years ago
A 12 foot ladder is leaning against a building. If the bottom of the ladder is sliding along the pavement directly away from the
ira [324]

Using Pythagoras theorem, the top of the ladder moving down when the foot of the ladder is 3 feet from the wall is of -0.518 feet/sec.                      

Let distance from the wall to the foot of the ladder is 'x' feet and the height of the top of the ladder is 'y' feet.

Pythagoras theorem, x^{2} + y^{2} = (12)^{2}       --->(1)

Given,\frac{dx}{dt}= 2feet/second   at x=3

Put x=3 in Pythagoras theorem equation (1)

(3)^{2} + y^{2} = 144

         y^{2} = 144 - 9

        y^{2}  =  135

        y = 11.61

Derive equation (1) w.r.t to 't'

2x\frac{dx}{dt} + 2y\frac{dy}{dt} = 0                ---->(2)

substitute the value of 'x', 'dx/dt' and 'y' in equation (2), we get the fast of the top of the ladder moving down when the foot of the ladder is 3 feet from the wall

2(3)(2) + 2 (11.61)\frac{dy}{dt}  = 0

12 + 23.22 \frac{dy}{dt}  = 0

                  \frac{dy}{dt}= \frac{-12}{23.22}

                  \frac{dy}{dt} = -0.518

Hence,  using Pythagoras theorem the top of the ladder moving down when the foot of the ladder is 3 feet from the wall is of -0.518 feet/sec.  

Learn more about Pythagoras theorem here

brainly.com/question/21511305  

#SPJ4    

     

5 0
2 years ago
Eric's father Works two part-time jobs one in the morning and one in the afternoon and works a total of 40 hours each five day w
Andrew [12]

Answer:

8

Step-by-step explanation:

because 40 devided by 5 equals 8 so thats how many hours in the afternoon

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3 years ago
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