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Aleks [24]
4 years ago
10

Simplify the expression. If not possible write simplified. 3x+7(3x+4)

Mathematics
1 answer:
zavuch27 [327]4 years ago
6 0

3x + 7(3x+4)

Distribute:

=3x + (7)(3x) + (7)(4)

=3x + 21x + 28

Combine like terms:

=3X + 21X +28

=(3x + 21x) + (28)

=24x +28

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43%
fgiga [73]

Answer:

The answer is below

Step-by-step explanation:

a) The number of pupils who scored more than 7 in a test = pupils who shored  8 + pupils who shored 9 + pupils who shored 10

The number of pupils who scored more than 7 in a test = 7 + 3 + 1 = 11 pupils

b) Total number of pupils = pupils who shored  0 + pupils who shored 1 + pupils who shored 2 + . . . + pupils who shored 9 + pupils who shored 10

Total number of pupils = 0 + 1 + 4 + 0 + 0 + 8 + 0 + 2 + 7 + 3 + 1 = 26 pupils

c) It is assumed that nobody scored either 0 or 3 or 4 or 6. Also the highest mark was assumed to be 10

4 0
3 years ago
Complete the synthetic division problem below. -2 | 2 2 -2 4​
erik [133]

Answer:

C. 2x² - 2x + 2

General Formulas and Concepts:

<u>Algebra II</u>

  • Long Division and Synthetic Division

Step-by-step explanation:

<u>Step 1: Define</u>

Function f(x) = 2x³ + 2x² - 2x + 4

Divisor Root (x + 2)

<u>Step 2: Synthetic Division</u>

<em>See Attachment.</em>

If the Remainder equals 0, then the Divisor Root is indeed an actual root of the function polynomial. If the Remainder does not equal 0, the Divisor Root is not an actual root of the function polynomial.

<em>Please excuse the bad handwriting. Hope this helped!</em>

6 0
3 years ago
20 POINTS!!PLEASE HELP!!! At the school carnival, the sixth graders are making directional arrows, as shown
melisa1 [442]
The area is 26 hopefully this helps you
8 0
3 years ago
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Convert units of time <br> Convert 5 hrs to seconds.
emmasim [6.3K]

Answer:

<h2>18000 seconds!</h2>

Step-by-step explanation:

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6 0
4 years ago
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Evaluate the expression
Vera_Pavlovna [14]

Answer:

C) 960

Step-by-step explanation:

Let's expand the factorial.

n! = 1*2*3*4*...n

6! = 1*2*3*4*5*6

3!= 1*2*3

The given expression \frac{8. 6!}{3!} \\

= \frac{8.1.2.3.4.5.6 }{1.2.3}

Canceling out the common terms, we get

= \frac{8.4.5.6}{1} \\

= 8.4.5.6                     [here . represents multiplication]

= 960

Answer: C) 960

Thank you.

7 0
3 years ago
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