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dsp73
3 years ago
15

If the sum of the digits of a number is divided by 2, then the original number is also divisible by 2

Mathematics
1 answer:
Marina CMI [18]3 years ago
3 0

This is true but not for all numbers. Of course you can divide a number by 2 but if it’s an odd number the answer will be a decimal. But for example 24, the two digits are divisible by 2 and so is the original number. But for example 12, the digits aren’t divisible by 2 (the answer is 1.5) but the original number is.

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Two numbers multiply to be -50 and add to 0
sineoko [7]

Clever !

The two square roots of  50  will do that.
They are irrational numbers, so I can't write down their exact values.
They are approximately  +7.0711  and  -7.0711  (rounded) .

3 0
3 years ago
How do you solve for x is this triangle
asambeis [7]

Answer:

x = 3.46 units

Step-by-step explanation:

Given:

angle RQS = 60

QS = 2 units

PS = 8 units

To Find:

RS = x = ?

Solution:

In triangle QRS,

tan angle Q = RS / QS

tan 60 = x / 2

root 3 = x / 2

x = 2 root 3

x = 2 x 1.73

Therefore, x = 3.46 units

PLEASE MARK ME AS BRAINLIEST!!!

4 0
3 years ago
Mrs. Hernanadez is covering the top of a kitchen shelf that is26 3/8 inches long and 15 1/2 inches wide. She incorrectly measure
miss Akunina [59]

Answer:

The  calculation of Mrs. Hernanadez will affect by 1.375 inches lesser.

Step-by-step explanation:

Given:

Length of the Kitchen shelf = 26 3/8 inches

Width of the Kitchen Shelf =  15 1/2 inches

Incorrect measurement of the length of the kitchen shelf = 25 inches

Solution:

The Actual length of the kitchen shelf is 26\frac{3}{8}

But she measured as 25 inches

So the error in the measurement will be

=>Correct length of the shelf - Incorrect length of the shelf

=> 26\frac{3}{8} - 25

Coverting the mixed fraction to fraction,

=> \frac{211}{8} - 25

=> 26.375 - 25

=>1.375

5 0
3 years ago
I need help with this problem
Vitek1552 [10]

Answer:

X=13

Step-by-step explanation:

So if ΔABC ≅ ΔDEC, then that means that ∠B is ≅ ∠E. Therefore you would write the equation 3x=6x-39 and solve for X to get 13.

7 0
3 years ago
Determine the effect on the balance sheet after the following transaction.
Maslowich
The transaction of this is
Cash. Increase by 750
3 0
3 years ago
Read 2 more answers
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