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dimaraw [331]
3 years ago
5

Choose what the expressions below best represent within the context of the word problem. The tens digit of a number is twice the

ones digit. The sum of the digits in the number is 12. What is the number? x represents digit 2x represents digit
Mathematics
1 answer:
Usimov [2.4K]3 years ago
6 0
<span>2x + x = 12
=> x =12/3 =4
so, original number is 84.

</span>
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WILL GIVE BRAINLIEST !!!
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Answer:

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Step-by-step explanation:

7 0
3 years ago
Fifteen less than twice a number is less than or equal to -23
lutik1710 [3]
I would think the answer is -16 

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5 0
3 years ago
Plz tell me how u got it and hurry please
Studentka2010 [4]
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8 0
3 years ago
The water level in a tank can be modeled by the function h(t)=8cos(pi t /7)+11.5, where t is the number of
denis23 [38]

Answer:

NO amount of hour passed between two consecutive times when the water in the tank is at its maximum height

Step-by-step explanation:

Given the water tank level modelled by the function h(t)=8cos(pi t /7)+11.5. At maximum height, the velocity of the water tank is zero

Velocity is the change in distance with respect to time.

V = {d(h(t)}/dt = -8π/7sin(πt/7)

At maximum height, -8π/7sin(πt/7) = 0

-Sin(πt/7) = 0

sin(πt/7) = 0

Taking the arcsin of both sides

arcsin(sin(πt/7)) = arcsin0

πt/7 = 0

t = 0

This shows that NO hour passed between two consecutive times when the water in the tank is at its maximum height

4 0
3 years ago
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jok3333 [9.3K]

Answer:

y = - 3

Step-by-step explanation:

3(-2x+5)=-x-5

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x=4

y=-2(4)+5

y=-3

7 0
3 years ago
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