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Virty [35]
3 years ago
13

Hannah has 19 more bouncy balls than Stefan. Stefan has b bouncy balls. Write an expression that shows how many bouncy balls Han

nah has.
Mathematics
2 answers:
zhenek [66]3 years ago
8 0

Answer:19+ b

Step-by-step explanation:

meriva3 years ago
3 0

Answer:

B + 19

Step-by-step explanation:

B is an unknown number. *

-

Example.

If Stefan has 1 bouncy ball, Hannah would have 20.

Formula.

Stephan's Amount + 19 = Hannah's Amount

Solving Your Problem.

We will do the same thing except replacing "1" with "b".

b = Stefan's Amount

b + 19 = Hannah's Amount

We are just adding 19 to his.

-

Note: In Algebra, we use lowercase variables usually...just a side note.

-

I hope I helped you solving this problem, and sorry if I have bad english. I am learning every day thank you! :)

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X is inversely proportional to the square root of y
omeli [17]

Answer: 4

Step-by-step explanation:

The formula for inverse proportion is x = k / y. Since x is inversely proportional to the square root of y. This will be:

x = k / ✓y

When x = 12, y = 9

We have to calculate the constant of proportionality, k which will be:

12 = k / ✓9

12 = k / 3

k = 12 × 3

k = 36

To find the value of x when y = 81 will be:

x = k / ✓y

x = 36 / ✓81

x = 36 / 9

x = 4

Therefore, x = 4 when y = 81.

4 0
3 years ago
Winton was givin $14 to spend at a school fair he spent 3/7 playing games how much money is lift
Ksivusya [100]
<h3><u>Question:</u></h3>

Winton was given $14 to spend at a school fair he spent 3/7 playing games how much money is left

<h3><u>Answer:</u></h3>

Amount left with winton is $ 8

<h3><u>Solution:</u></h3>

Given that Winton was given $14 to spend at a school fair

He spent \frac{3}{7} playing games

To find: money left with Winton

From given information,

Money given to Winton = $ 14

Amount spent on games = \frac{3}{7}

Thus we can say,

Amount spend on games = \frac{3}{7} of total money he has

\rightarrow \frac{3}{7} \times 14 = 3 \times 2 = 6

Thus he spend $ 6 on playing games

<em><u>Money left with Winton:</u></em>

Money left = total money he had - money spent on playing games

Money left = 14 - 6 = 8

Thus amount left with winton is $ 8

3 0
3 years ago
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Step-by-step explanation:

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Solve for h. b=1/2hr
vova2212 [387]

Step-by-step explanation:

b=1/2hr

2hr × b = 1

2hrb = 1

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h = 1/2rb

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