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4 years ago

9+(6w+3w) how do I do this it is to hardThe expression (9+6w)+3w

Mathematics

1 answer:

Mama L [17]4 years ago

6 0

Answer: 9w+9

Step-by-step explanation:

First combine like terms: 6w+3w

You can't combine 9 and 9w so that would be your answer.

Then if it calls for it, use the commutitive property to move 9w before 9.

Hope this helps!

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suppose that n is a positive integer written in base 10. prove that n is divisible by 3 if and only if the sum of its decimal di

Goshia [24]

Modulo - The result of multiplying the original number by three and the result of multiplying the digits by three must be the same.

What is modulo?

In mathematics, the phrase modulo, which literally means "with respect to a modulus of," is frequently used to claim that two different mathematical objects can be regarded as comparable if their difference is explained by a third component.

Using the Fermat's little theorem:

$x^n-1 =(x-1)(x^{n-1}+x^{n-2}+....+x+1)$

when x=10. You may easily establish the identity by multiplying it term by word. All terms cancel, excluding the first and last ones. Therefore, any power of ten minus one is divisible by nine, and consequently, by three

Now consider a multi-digit natural number, 43617 for example.

$43617= 4*10^4+3*10^3+6*10^2+1*10+7$

$= 4*9999+3*999+6*99+1*9+(4+3+6+1+7)$

Other than the sum of the digits, every term on the right is divisible by 3. The result of multiplying the original number by three and the result of multiplying the digits by three must be the same.

to learn more about exponents and power visit:

brainly.com/question/19120853

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5 0

2 years ago

Rewrite the function to determine whether it represents exponential growth or exponential decay

mihalych1998 [28]

Answer:

Growth.

Step-by-step explanation:

The growth factor is 1.18 ( > 1) and the exponent is > 0.

5 0

3 years ago

Which of the following angles is coterminal with one that measures 98 degrees

polet [3.4K]

Answer:

See below

Step-by-step explanation:

You have not provided the options.

But I will explain how you can work it.

Coterminal angles are two or more angles that have the same terminal side in standard.

If you want to find an angle that is coterminal with 98°, you keep adding or subtracting 360°.

$98 + 360 = 458 \\ 98 + 2 \times 360 = 818$

$98 - 360 = - 262$

Therefore 488°, 818°, -262° are examples of angles that are coterminal with 98°

6 0

3 years ago

Pleaseeeee helpp :(((

klasskru [66]

<h3>Answers</h3>

1a. Graph is decreasing on the interval $3 < x < 13$ .
1b. Graph is increasing on two separate intervals: $0 < x < 3 \text{ and } 13 < x < 18$
2. Min value = 0.75, Max value = 3
3. Domain = $0 \le x \le 18$ , Range = $0.75 \le y \le 3$

=======================================================

Explanations:

1a. The graph decreases whenever the curve goes downhill as you read from left to right. This is from x = 3 to x = 13. So the decreasing interval is $3 < x < 13$ See figure 1 below.
1b. The graph increases when the graph goes uphill. This happens two separate times. First from x = 0 to x = 3. Then the second portion is from x = 13 to x = 18. Refer to figure 1.
2. The min value is the smallest y value possible. This is y = 0.25 as shown in figure 2. This is where the lowest point on the so called "roller coaster" occurs. The max value is y = 3 which is where the highest point is located.
3. The domain is the set of all allowed x values. This is from x = 0 to x = 18, including both endpoints. So we say the domain is $0 \le x \le 18$ . The range is a similar story but for the y values. The range is $0.75 \le y \le 3$ , which has its endpoints match up perfectly with the min and max found earlier.

8 0

3 years ago

ANSWER WITHOUT A LINK PLS<br>I WILL REPORT U

nydimaria [60]

Answer:

∠ B = 53°

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Subtract the sum of the 2 angles from 180 for B

∠ B = 180° - (90 + 37)° = 180° - 127° = 53°

8 0

3 years ago