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Mashcka [7]
3 years ago
12

13 ➗ 16 equals what? please show me in long divison

Mathematics
1 answer:
olga2289 [7]3 years ago
3 0
Hi , so we have 13 and 16
16 is bigger than 13 , so we add a 0 to 13.
Now we have 130 divided by 16 , our answer is going to be a decimal because the number 0 was added to the number 13.
We have to find a number that times 16 equals to 130 or a number that is the closest one .
16 times 8 equals to 128 , so 8 is the number that goes after the decimal , then we just keep going.
The final answer is .8125

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Write an expression to represent the product of 6 and the square of a number plus 15.
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Answer:

Step-by-step explanation:

6(x²+15)

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3 years ago
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Which expression has a value of 66? A. (16 ÷ 3.2) × 2 + 0.2 × (8 + 82) B. [(16 ÷ 3.2) × (2 + 0.2)] × 8 + 82 C. 16 ÷ [(3.2 × 2) +
Setler [38]

Answer: none

Step-by-step explanation:

(A)

(16÷32/10) ×2 + 0.2×(90)

Using bodmas principle ; solve bracket

(16×10/32)×2 + (2/10×90)

10+18 =28

(B)

{(16÷32/10) × (2+2/10)} ×90

Open brackets

{(16×10/32) × (22/10)} ×90

(5×11/5) ×90

11×90 = 990

(C)

16÷{(32/10×2) + (2/10×8)} +82

Open brackets, solve division first, dolled by addition

16÷(32/5 + 8/5) +82

16÷(40/5) +82

16÷8 +82

2+82= 84

(D)

[16÷(32/10 ×2) + 0.2× (90)]

16÷ (32/5) + 2/10 ×90

Solve division

16×5/32 + 18

5/2 + 18

L.c.m of denominator (2&1) =2

(5+36) / 2 = 41/2

=20.5

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3 years ago
A square has a perimeter of 28 ft. What is the length of each side? and it is in ft
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Step-by-step explanation:

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Step-by-step explanation:

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Firlakuza [10]
The problem says that <span>Brandon sights a helicopter above a building that is 200 feet away at an angle of elevation of 30 degrees. So, you can calculate the height asked, by following this procedure:
</span>
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 Opposite leg=x
 Adjacent leg=200 feet

 When you substitute these values into the formula above (Tan(α)=Opposite leg/Adjacent leg), you have:

 Tan(α)=Opposite leg/Adjacent leg
 Tan(30°)=x/200
 
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<span>
 How high above the ground the is the helicopter?

 The answer is: 115 feet</span>
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