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MAVERICK [17]
3 years ago
6

How do I do this, I need to show work

Mathematics
1 answer:
kenny6666 [7]3 years ago
3 0
Hello,

-2<1 ==> f(x)=3x²-1 =>f(-2)=3*(-2)²-1=3*4-1=12-1=11

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6570 ÷ 16 <br><br><br>410<br><br><br>410 1/16<br><br><br>410 3/8<br><br><br>410 5/8
UNO [17]

Answer:

Exact Form:

3285

8

Decimal Form:

410.625

Mixed Number Form:

410

5

8

thats what i got i hope this helps

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
PLEASE HELP!!! WILL MARK BRAINLIEST!!! CAN you help there is a website it has the answers appealy but I cannot seem to find them
miv72 [106K]

Answer:

The difference is While pay grades are administrative classifications used primarily to standardize compensation across the military services, ranks indicate a level of responsibility (for personnel, equipment, and mission) which grows with each increase in rank.      

Step-by-step explanation:

There similar because Pay grades E-1 through E-3 generally indicate basic training, advanced training or entry-level work. For the Army and Marines, E-1 corresponds to the rank of private

I hoped this helped!

3 0
2 years ago
What is the output value of (4x+2)(x-5)/2 using input value of x=2
Firdavs [7]

Answer:

-15

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Define</u>

(4x + 2)(x - 5) / 2

x = 2

<u>Step 2: Evaluate</u>

  1. Substitute:                             (4 · 2 + 2)(2 - 5) / 2
  2. Parenthesis - Multiply:          (8 + 2)(2 - 5) / 2
  3. Parenthesis - Add:                10(2 - 5) / 2
  4. Parenthesis - Subtract:         10(-3) / 2
  5. Multiply:                                 -30 / 2
  6. Divide:                                    -15
6 0
3 years ago
Read 2 more answers
Divide $8 in the ratio 2:3​
miss Akunina [59]

Answer:

<h2><u><em>3.2$ and 4.8$</em></u></h2>

Step-by-step explanation:

divide $8 in the ratio 2:3​

8 : (2 + 3) = 1.6 (unity)

1.6 * 2 = 3.2 (ratio2)

1.6 * 3 = 4.8 (ratio 3)

----------

3.2 + 4.8 = 8

the answer is good

6 0
2 years ago
The sides of a rectangle have the ratio 7:2. its perimeter is 207cm.<br> Find the area
castortr0y [4]
X - unit of length
w,l - the sides of a rectangle

7 : 2 ⇒ 7x : 2x

Perimeter: P = 207cm
Perimeter: P = 2w + 2l

therefore: 2w + 2l = 207    |divide both sides by 2

w + l = 103.5 (cm)

w : l = 7 : 2 ⇒ w : l = 7x : 2x ⇒ w = 7x; l = 2x

subtitute

7x + 2x = 103.5
9x = 103.5    |divide both sides by 9
x = 11.5 (cm)

7x = 7 · 11.5cm = 80.5cm
2x = 2 · 11.5cm = 23cm

w = 80.5cm; l = 23cm

Area = wl

Area: A = 80.5cm · 23cm = 1851.5cm²
8 0
3 years ago
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