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fiasKO [112]
3 years ago
13

What is the whole number of 729? Please helppp

Mathematics
2 answers:
Vlada [557]3 years ago
7 0

Answer:

729

Step-by-step explanation:

adoni [48]3 years ago
7 0

Answer:

there is no whole number

Step-by-step explanation:

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The sum of the digits of a two digit number is 10. If 36 is subtracted from the number, the digit interchange their places Find
lianna [129]

Step-by-step explanation:

Let A be the tens digit of the number and B be the ones digit.

We have A + B = 10 and 10A + B - 36 = 10B + A.

=> A + B = 10 and 9A - 36 = 9B

=> A + B = 10 and A - 4 = B

=> A + B = 10 and A - B = 4

Therefore 2A = 10 + 4 = 14,

A = 7 and B = 10 - 7 = 3.

Hence the number is 73.

3 0
3 years ago
Solve for x. Show your work.<br> 5(x + 2) = 3x - 16
Novosadov [1.4K]

Answer:

x=-13

Step-by-step explanation:

5(x + 2) = 3x - 16

5x+10-10=3x-16-10

5x-3x=3x-3x-26

2x/2=-26/2

x=-13

7 0
3 years ago
Which fraction represent the given fraction rewritten with their LCD?
enot [183]
Please, use ( ) around fractional coefficients:

<span>1/3x-9y, 6/5x-15y  should (probably) be written as (1/3) - 9y and (6/5)x - 15 y.

The LCD here is 3(5) = 15.


Mult. </span><span>1/3x-9y and 6/5x-15y by 15, and then divide the result by 15:

</span>15 [ (1/3)x - 9y and (6/5)x - 15 y ]
---------------------------------------------
                     15


This simplifies to:

5x - 135y  and   18x - 225y
------------            --------------
       15                     15

These fractions are equivalent to the original ones, but now the common denominator, 15, is evident.
7 0
3 years ago
A 4 wheeler that travels 52 miles on 5 gallons of gasoline. A second 4 wheeler travels 21 miles on 2 gallons of gasoline which c
nalin [4]

Answer:

The second 4 wheeler gets better mileage

Step-by-step explanation:

First 4 wheeler:

52mi -  5gal

Second 4 wheeler:

21mi - 2 gal

To compare we have to make sure everything is equal so,

5÷2 = 2.5

so,

second 4 wheeler:

21*2.5=52.5 , 2*2.5=5

52.5mi - 5gal

52<52.5

6 0
2 years ago
Solve the triangle, AMDM
krok68 [10]

Answer:

B

Step-by-step explanation:

You are given two sides and the included angle, so you need to use the law of cosines.

c² = a² + b² - 2ab cos C

c² = 12² + 13² - 2(12)(13)cos 134°

c² = 313 - 312(-0.6947)

c² = 529.733

c = 23.016

Now use the law of sines.

c/sin C = a/sin A

23.016/sin 134° = 12/sin A

sin A = 12 × sin 134° / 23.016

sin A = 0.37504

A = 22.03°

B = 180° - 134° - 22.03°

B = 23.97°

m<A = 22°; m<B = 24°; c = 23 km

Answer: B

6 0
2 years ago
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