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Viktor [21]
2 years ago
10

Which algebraic expression represents the following: the sum of four times a number and six? (1 point) 4x + 6

Mathematics
1 answer:
Tju [1.3M]2 years ago
4 0

Answer:

4x +6

Step-by-step explanation:

No explanation

Straight answer

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Need help with #8 & #14 PLEASE!!
juin [17]

Answer:

8 (see work)

14. 2x^2 -4x^2 +3

Step-by-step explanation:

There's attached work for explanation

8 0
3 years ago
How to factorize 2^{n+1}+2^{n-1}?<br><br>I know the answer is 5(2^{n-1}), but how do i get there?
Elina [12.6K]

Answer:

steps below

Step-by-step explanation:

2ⁿ⁺¹ +2ⁿ⁻¹ = 2ⁿ⁻¹ (2² + 1) = 5*2ⁿ⁻¹

7 0
3 years ago
Arlo rented a car. It cost 39.99 plus 0.35 per mile. If Arlo paid 85.49 for the rental car, how many miles did he drive the car?
soldier1979 [14.2K]

Answer:

Arlo drove 130 miles

Step-by-step explanation:

Set up an equation:

39.99+.35x=85.49

.35x=45.5

x=130 miles

7 0
3 years ago
Find the measure of an interior angle of a regular nonagon (9-sided polygon).
Scrat [10]

The measure of an interior angle of a regular nonagon (9-sided polygon) is 140°

<h3>How to determine the angle</h3>

The formula for sum of interior angles of a polygon is given as;

= ( n -2) × 180

Recall that a nonagon has nine sides, so , n = 9

Substitute the value into the formula

= ( 9 -2) × 180

= 7× 180

= 1260°

Since the sum of the angles =  1260°

One of the angles = 1260/ 9 = 140°

Therefore, the measure of an interior angle of a regular nonagon (9-sided polygon) is 140°

Learn more about polygons here:

brainly.com/question/224658

#SPJ1

7 0
2 years ago
Multiply the followong polynomails using a method of choice (2x+5)x2+5x+1)
shepuryov [24]
If you Multiply the equation you will get 9x+11
8 0
3 years ago
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