3 years ago

A toy train with a resistance of 10 ohms is powered by four 1.5-volt batteries. What is the power of the toy train?

Mathematics

2 answers:

Lorico [155]3 years ago

5 0

Answer:3.6 Watts

Step-by-step explanation:

Tamiku [17]3 years ago

4 0

Answer:

Step-by-step explanation:

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What is the vertex of g(x)=-3x^2+18x+2? a) (3,-25) b) (-3,-25) c) (3,29) d) (-3,29)

poizon [28]

C). (3, 29) would be your answer.

Explanation?:

Rewrite the equation in vertex form.

y = -3(x - 3)^2 + 29

use the vertex form, y = a(x - h)^2 + k, to determine the values of a, h, and k.

a = -3

h = 3

k = 29

The vertex = (h, k)/(3, 29)

Hope this helps!

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3 years ago

Aubrey wants to buy a pair of jeans of $29.99 and a shirt for $15.75. How much money does Aubrey need to buy both items?

aniked [119]

Answer:

$55-$60

Step-by-step explanation:

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2 years ago

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CAN SOMEONE MULTIPLY THIS PLEASE, ITS URGENT

____ [38]

Let's factorise it :

$\: {\qquad \dashrightarrow \sf ( {x}^{3} - 5)(x + 3) }$

$\: {\qquad \dashrightarrow \sf {x}^{3} (x + 3) + [-5(x + 3)] }$

Using Distributive property we get :

$\: {\qquad \dashrightarrow \sf {x}^{3} + {3x}^{3} + ( - 5x - 15) }$

$\: {\qquad \dashrightarrow \sf {x}^{3} + {3x}^{3} - 5x - 15 }$

$\: {\qquad \dashrightarrow \sf 4{x}^{3} - 5x - 15 }$

⠀

Therefore,

$\: {\qquad \dashrightarrow \sf ( {x}^{3} - 5)(x + 3) =4{x}^{3} - 5x - 15}$

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2 years ago

A circle is centered on point B. Points A, C and D lie on its circumference.

QveST [7]

Answer:

23 degrees

Step-by-step explanation:

If <ADC is the arc measure of the circle, by definition the center angle (<ABC) has the same measure as its intercepted arc.

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2 years ago

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Joseph served 18 customers in 42 minutes. Approximately how many customers would he serve in 2 hours if he continued at this rat

zhenek [66]

Okay so if he serves 18 customers in 42 minutes divide 18 by 42 and you get the amount of customers he serves per min which is 0.42857413 then multiply that by 120 since 2 hours add up to 120 minutes and you get 51.43

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3 years ago