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worty [1.4K]
2 years ago
9

What is this please!!!!! 20= -6+2n

Mathematics
1 answer:
Yuki888 [10]2 years ago
7 0

Answer:

n = 13

Step-by-step explanation:

20= -6+2n

Add 6 to each side

20+6= -6+6+2n

26 = 2n

Divide each side by 2

26/2 = 2n/2

13 =n

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Multiply 3x7, Minus 12=
Nezavi [6.7K]

Answer:

Your answer would be 9

Step-by-step explanation:

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6 0
2 years ago
How should the decimal point in 34.05 be moved to determine the product 34.05×106 ?
r-ruslan [8.4K]

Answer: Six places to the right

Step-by-step explanation:

For this exercise it is important to remember that. by definition, the exponent of a number indicates the number of times you must use the same factor to multiply.

Given:

b^n

"b" is the base and "n" is the exponent.

In this case, you have the following multiplication provided in the exercise:

34.05*10^6

Notice that the base 10 has an exponent 6. This indicates the following:

10^6=10*10*10*10*10*10=1,000,000

By definition, moving the decimal point 6 places to the right (because there are six zeros), is the same as multiplying the decimal number 34.05 by 1,000,000.

  Therefore, based on the explained, when you move the decimal point six places to the right, you get the following product.

34.05*10^6=34,050,000

3 0
2 years ago
Pls help question is on picture
brilliants [131]

Answer:

9/15 = 3/5 (simplified)

Step-by-step explanation:

In a right triangle, the cosine is the ratio of the adjacent side to the hypotenuse:

\cos\theta = \frac{\text{adjacent}}{\text{hypotenuse}}

The adjacent side is the side that makes up the angle but is not the hypotenuse.

I'm assuming the answer box should ask for cos(theta) rather than cos(x).

5 0
2 years ago
a line passes through the point (10, -9) and has a slope of -3/2. write an equation in slope-intercept form for this line.
Alecsey [184]
Slope intercept: y = mx + b
Plug in the slope
Y = -3/2x + b
Plug in the point
-9 = -3/2(10) + b, b = 6
Equation: y = -3/2x + 6
5 0
2 years ago
I also need help with this one.
MakcuM [25]

Answer:

(0, 2)

Step-by-step explanation:

The x-coordinate is 0 because the y-intercept is where the line crosses the x-axis. The y-intercept is the number on its own in the equation (in the form y = mx + c)

Hope this helps!

5 0
2 years ago
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