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Sunny_sXe [5.5K]
2 years ago
5

Select any equations that have the same solution set as:

Mathematics
1 answer:
aliya0001 [1]2 years ago
8 0

Answer: 6+4x=26, 4x=20

Step-by-step explanation: 6+4x=20 is the initial equation but completely multiplied by two, so you can know without solving that it is equivalent.

If you solve the equation, 2x+3=13 (subtract 3 from both sides)

2x=10 (divide both sides by 2)

x equals 5.

if you plug in 5 as x to 4x=20, you get 20=20, which is a true statement, so this choice is also correct. You could also solve to prove x equals 5 in this equation as well. Divide 20 by 4 and you get x=5.

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Pre Calculus:
Gwar [14]
Let n be a number of friends at the perty. If <span>dinner costs $30 per person, then it cost $30n for all friends.
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Robert has booked a banquet hall which costs <span>$200, then his total expenses are $200+30n.
</span>
If the final bill is p, then p=<span>200+30n.
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Answer: p=<span>200+30n.</span>

3 0
3 years ago
Read 2 more answers
Complete the recursive formula of the geometric sequence -0.3, 0.9, -2.7, 8.1. ....
SSSSS [86.1K]

Answer:

(-1)ⁿ(3)ⁿ/10

Step-by-step explanation:

The first term a = 0.3, the second term, ar = 0.9. The common ratio r = ar/a = 0.9/-0.3 = -3.

From the general term of a geometric series,

U = arⁿ⁻¹

= (0.3)(-3)ⁿ⁻¹

= (3/10)(-3)ⁿ⁻¹

= (-1)ⁿ⁻¹(3)(3)ⁿ⁻¹/10

= (-1)ⁿ(3)ⁿ/10

5 0
3 years ago
1 pound is closest in weight to which one of the following Metric units of weight?
timama [110]

Answer:

<h2>4.5 N</h2>

Step-by-step explanation:

To convert 1 pounds to its meteric unit in weight, we need to first convert it to kilogram. Using the conversion 1pound = 0.453592 kg

Since Weight of a substance = mass of the substance * acceleration due to gravity

W = mg

Given mass = 0.453592kg and g = 9.8m/s²

Weight = 4.4452016 Newtons

1 pounds is therefore closest to 4.5 units metric of weight

8 0
3 years ago
Evaluate the expression 3 ⋅ 2^t , when t=1. *
lisov135 [29]

Answer:

6

Step-by-step explanation:

3 ⋅ 2^t

Let t=1

3 ⋅ 2^1

Exponents first

3 * 2

6

8 0
3 years ago
I NEED HELP PLEASE UHHH PLEASE I NEED HELP UUUUHHHHHHH
vodomira [7]

Answer:

Sulio needs 28 feet of fencing

Step-by-step explanation:

P= 2l + 2w

Length- 8 ft

Width- 6 ft

Use formula with the given:

2(8) + 2(6)

= 16 + 12

= 28

Therefore, Sulio needs 28 feet of fencing

Hope this helps

3 0
2 years ago
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