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Thepotemich [5.8K]
3 years ago
5

8 Evaluate 3n+ 7. n = 3 Find the indicated sum? Help!

Mathematics
2 answers:
lubasha [3.4K]3 years ago
6 0

Answer:

<h3>The answer is 16</h3>

Step-by-step explanation:

3n + 7

n = 3

Substitute the value of n into the expression

That's

3(3) + 7

= 9 + 7

<h3>= 16</h3>

Hope this helps you

Sliva [168]3 years ago
3 0

Answer:

16

Step-by-step explanation:

3n+7

The value of n is given 3.

Plug n as 3.

3(3)+7

Evaluate.

9+7

=16

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Please help <br>Much appreciated ​
mafiozo [28]

Answer:

x^2 -10x+25

Step-by-step explanation:

(x-5)^2

Rewriting

(x-5)(x-5)

FOIL

first: x*x = x^2

outer: x* -5 = -5x

inner: -5*x = -5x

last: -5 * -5 = +25

Add them together

x^2 -5x-5x+25

Combine

x^2 -10x+25

8 0
3 years ago
Read 2 more answers
True or False: The slope of the line that passes through (9, 9) and (6, 4) is 3/5.
emmainna [20.7K]

Answer:

False.

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS

<u>Algebra I</u>

  • Slope Formula: m=\frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

Point (9, 9)

Point (6, 4)

<u>Step 2: Find slope </u><em><u>m</u></em>

  1. Substitute:                     m=\frac{4-9}{6-9}
  2. Subtract:                        m=\frac{-5}{-3}
  3. Simplify:                         m=\frac{5}{3}
6 0
3 years ago
Solve the problem by multiplying first. A clothing store is having a sale on shirts and jeans. Four shirts and two pairs of jean
ella [17]

We will solve this by suing simultaneous equations,

⇒ 5s + 3j = 87

    4s + 2j = 64

Multiply the first equation with 4 and the second one with 5, this is to get one of the values equal so that we can cancel them out,

⇒ (5s + 3j = 87) × 4

    (4s + 2j = 64) × 5

∴ ⇒ 20s + 12j = 348

       20s + 10j = 320

Subtract both the equations. This is how your result (after subtraction) should look like,

  ⇒ 2j = 28

∴ ⇒ j = $14

Now replace the value of 'j' in one of the original equations,

⇒ 4s + 2(14) = 64

⇒ 4s + 28 = 64

⇒ 4s = 64 - 28

⇒ 4s = 36

∴ ⇒ s = $9

Therefore, one pair of jeans cost $14 and a shirt costs $9

Hope you understood! Feel free to ask me if you didn't understand a step.

5 0
2 years ago
Farrah installed a new pool for $14,730 using a 12-month deferred payment plan with an interest rate of 19.33%. What is the bala
Harman [31]
<span>D. $11,519.62 Is your exact answer, Hope This Helps! :)</span>
6 0
2 years ago
M1|L7 1<br> Decimal Round<br> Round 5.489 to the nearest hundredth. )<br> Label the endpoints. )
vagabundo [1.1K]

Answer:

5.49

Step-by-step explanation:

5.48<u>9,</u> the number 9 that is underlined is 5 or more so you put that at 0 then it would be 5.48, but since the 8 is also 5 or more and is the hundreths place you round that to 9 giving you 5.49

3 0
2 years ago
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