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expeople1 [14]
3 years ago
12

What is the value of n? 3n + 16 = 7n Enter your answer in the box.

Mathematics
2 answers:
liraira [26]3 years ago
7 0
Subtract 3n and then divide by 4 and you get n= 4
Grace [21]3 years ago
5 0

we have

3n+16=7n

Solve for n

Subtract 3n both sides

3n+16-3n=7n-3n

4n=16

Divide by 4 both sides

4n/4=16/4

n=4

therefore

<u>the answer is</u>

n=4

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Answer:90

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3 years ago
Please help pretty basic question thankyou !
Usimov [2.4K]

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8 0
2 years ago
Read 2 more answers
Sharon buys four salmon steaks for $22.95 at her local supermarket. The weights of the steaks, in pounds, are 0.68, 0.74, 0.77,
Tema [17]

Answer:

$7.65

Step-by-step explanation:

Given that:

Money used for buying the four salmon steaks = $22.95

Weights of steaks in pounds = 0.68, 0.74, 0.77, and 0.81

To find:

Price of salmon steak per pound, to the nearest cent = ?

Solution:

Total weight of all 4 steaks = 0.68 + 0.74 + 0.77 + 0.81 = 3

Here, to find the price of salmon steak per pound we need to divide the total money used to buy salmon steaks with the total weight of salmon steaks in pounds.

Price of salmon steak per pound = \frac{22.95}{3} = \$7.65

4 0
2 years ago
Find the explicit formula for a 1 =-4,a n =a n-1 +9,n&gt;=2
Mrrafil [7]

Given:

a_1=-4 and a_n=a_{n-1}+9 where n\geq 2.

To find:

The explicit formula for the given recursive formula.

Solution:

We know that recursive formula of an AP is:

a_n=a_{n-1}+d

Where, d is the common difference.

We have,

a_n=a_{n-1}+9

Here, d=9.

The first term of the AP is a_1=-4.

The explicit formula for an AP is:

a_n=a_1+(n-1)d

Substituting a_1=-4 and d=9, we get

a_n=-4+(n-1)9

a_n=-4+9n-9

a_n=-13+9n

Therefore, the required explicit formula for the given sequence is a_n=-13+9n.

6 0
3 years ago
❤️❤️help please ASAP ❤️❤️
Dmitry_Shevchenko [17]
114/2=57 I believe 57 is the correct answer

6 0
3 years ago
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