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2 years ago

Given a battery rated at 350 ampere-hours how many hours will the battery be able to provide 7 amperes

1 answer:

7 0

From the division computed, it should be noted that the number of hours that the battery will be able to provide 7 amperes will be 50 hours.

The information given is about the division of numbers. It was stated that the battery is rated at 350 ampere-hours.

The number of hours that it will be able to provide 7 amperes will be:

= 350 / 7

= 50 hours.

Learn more about division on:

brainly.com/question/24834472

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Please help asap 25 pts

otez555 [7]

$4(k+5)=2(9k-4)\qquad|\text{use distributive property}\\\\(4)(k)+(4)(5)=(2)(9k)+(2)(-4)\\\\4k+20=18k-8\qquad|\text{subtract 20 from both sides}\\\\4k=18k-28\qquad|\text{subtract 18k from both sides}\\\\-14k=-28\qquad|\text{divide both sides by -14}\\\\\boxed{k=2}\to\boxed{d.}$

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3 years ago

A dance school has 63 ballet dancers. If 42% of the total number of dancers in the school are ballet dancers, what is the total

maria [59]

The total number of dancers in the school is 150.

7 0

3 years ago

7 times the number of cookies in the jar plus 5 more from the tray is 54. How many cookies are in the jar?

Digiron [165]

Answer:

The number of cookies in the jar is 7.

If we include the 5 cookies from the tray in the jar the total number of cookies would be 5 + 7 = 12

Step-by-step explanation:

Consider the number of cookies in the jar as 'x'. Hence the equation formed would be:-

7(x) + 5 = 54

7x + 5 = 54

7x = 54 - 5

7x = 49

x = $\frac{49}{7}$

x = 7

The number of cookies in the jar is 7.

If we include the 5 cookies from the tray in the jar the total number of cookies would be 5 + 7 = 12

Hope this helps.

8 0

2 years ago

Jamie is selling tickets at a whale watch at a local beach.The tickets cost $24.40 for an adult and $14.50 for a child.Jamie ear

wariber [46]

30% = .3

.3(24.40a + 14.50c)

24.40 = cost of adult ticket
14.50 = cost of child ticket
a = # of adult tickets sold
c = # of child tickets sold

.3 * 24.40a + .3 * 14.50c
answer: 7.32a + 4.35c

7 0

3 years ago

Y=2x+3 y=3x+1 solve the system of equations using substitution

Lynna [10]

Answer:

(2, 7 )

Step-by-step explanation:

Given the 2 equations

y = 2x + 3 → (1)

y = 3x + 1 → (2)

Substitute y = 3x + 1 into (1)

3x + 1 = 2x + 3 ( subtract 2x from both sides )

x + 1 = 3 ( subtract 1 from both sides )

x = 2

Substitute x = 2 into either of the 2 equations for corresponding value of y

Substituting x = 2 into (1)

y = 2(2) + 3 = 4 + 3 = 7

Solution is (2, 7 )

4 0

3 years ago

Read 2 more answers