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Law Incorporation [45]
3 years ago
14

Perform the operations and write the answer in simplest form 2 2/5 + 3 1/4

Mathematics
1 answer:
iragen [17]3 years ago
5 0

Answer: 2 2/3


Step-by-step explanation:

we have to turn this into a improper fractions first (so its something like a bobble-head)

(2 2/5) 5 x 2 = 10 + 2 = 11/5

(3 1/4) 3 x 4 = 12 + 1 = 13/4

Then add those two.

11/5 + 13/4

11 + 13 = 24

5 + 4 = 9

 so now its time to put it in simplest form 8/3

Now 8 divided by 3...BUT WAIT...3 can't go into 8

Now we turn it into a Mixed Number 2 2/3

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Katerina is a botanist studying the production of pears by two types of pear trees. she noticed that Type A trees produced 20 pe
Ronch [10]

Answer:

120 pears

Step-by-step explanation:

Let the  number of pears produced by Type B be x

Number of pears  produced by type A=144

  According to question

Type A produce 20% more pears than B

x+ x ×20%= 144

x+x×\frac{20}{100}= 144

\frac{100x+20x}{100}= 144

\frac{120x}{100}=144

x= 144×\frac{100}{120}

x=120 pears

Hence, Number of pears produced by B= 120 pears

Hence, the correct answer is 120 pears

5 0
3 years ago
9. What is the formula to find the sum of the interior angles for any polygon?
SOVA2 [1]

polygon: (n-2) × 180

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3 0
3 years ago
Which table has a constant of proportionality between yyy and xxx of 101010?
Gnesinka [82]

Answer:

Only table C shows proportional relationship

Step by Step Explanation:

Given

Tables A, B an C

Required

Which table shows proportional relationship?

In table A .

x = 2 and y = 20

k = 20/2

k = 10

Also, x = 12, y = 132

k =. 132/12.

k = 11

Both values of k are not equal.

Hence, the table is not proportional

In table B

x = 5 and y = 20

k = 20/5

k = 4

Also, x = 7, y = 30

k =. 30/7

k = 4.29

Both values of k are not equal.

Hence, the table is not proportional

In table C

x = 9 and y = 90

k = 90/9

k = 10

Also, x = 14, y = 140

k =. 140/14

k = 10

Also, x = 24, y = 240

k =. 240/24

k = 10

All values of k are equal.

Hence, the table is proportional

5 0
2 years ago
2x - 5= 5x + 7 linear equations
Bezzdna [24]

Answer:

-4 =x

Step-by-step explanation:

2x - 5= 5x + 7

Subtract 2x from each side

2x-2x - 5= 5x-2x + 7

-5 = 3x+7

Subtract 7 from each side

-5-7 = 3x+7-7

-12 = 3x

Divide by 3

-12/3 = 3x/3

-4 =x

3 0
3 years ago
Two skateboarders are trying to build a ramp with an angle of 41°and a height of 3 ft. Which expression gives the length or
Alika [10]
7° how do to make an appointment with your braces and you get the one to get the one you want me
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