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KengaRu [80]
3 years ago
11

There are 15 postcards in 3 equal stacks. How many postcards are in each stack Complete the bar model to solve Then write a divi

sion equation for the bar model.
Mathematics
2 answers:
LuckyWell [14K]3 years ago
4 0

Answer:

5 postcards in each stack. 15 divded by 3 equals 5.

kupik [55]3 years ago
3 0
There are 15. That is because 15 divided by 3 is 5
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A tutor earns d dollars per hour. He will be increaseing his hourly wage by 10 percent next month. He tells one of his clients t
Stels [109]
Yes it is correct, because 10 percent is 110/100, which equals to 1.1.

Hope this helps.
8 0
3 years ago
5 times 7/10 <br><br> The product lies between - and -
svp [43]

Answer:

5 x 7/10 is equal to 3.5, therefore it lies between the whole numbers of 3 and 4.

3 0
4 years ago
The surface area of a rectangular prism is 198 cm2. Two of the dimensions are 3 cm and 9 cm. Find the measure of the other dimen
Alecsey [184]

In this question, it is given that two of the dimensions are 3 cm and 9 cm . Let the other dimension be x cm .

And the surface area of the rectangular prism is given. Now we use the formula of surface area of prism, which is

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198 = 2(3*9 + 3*x + 9*x)

99 = 27 + 12x

Subtracting 27 to both sides,

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Dividing both sides by 12

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7 0
3 years ago
The cost of a jacket increased from $75.00 to $87.75. What is the percentage increase of the cost of the jacket?
beks73 [17]
1) we have to calculate the increase of the cost of the jacket.
Increase of the cost of the jacket=new price - previous price
increase of the cost of the jacket=$87.75 - $75.00=$12.75

2)Now, we calculate the percentaje incresae of the costo of the jacket by the rule of three.
$75=100%

$75------------------100%
$12.75-------------      x

x=($12.75 * 100%) / $75=17%

Answer: the percentage increase of the cost of the jacket is 17%
3 0
3 years ago
To find a reciprocal of a fraction, switch the numerator and denominator.
Aleks [24]
The reciprocal of -1/3 is -3/1
and the reciprocal of 4/1 is 1/4
6 0
4 years ago
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