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s2008m [1.1K]
3 years ago
5

6/13 as a decimal rounded to the nearest thousandth

Mathematics
1 answer:
Tema [17]3 years ago
3 0

Answer:

the answer will be  0.462

Step-by-step explanation:

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Jordan needs 9,240 for her first year of college Tuition each grandfather said they would match what she saves she has 8 years b
professor190 [17]
Your answer is 4,620
5 0
3 years ago
4/7(21/8 x + 1/2) = -2(1/7 - 5/28x)<br> What is x in decimal form?
frez [133]

Answer:

x=1.22930

Step-by-step explanation:

47(218 x+12 ) =−2(17 −528 x)

Simplify 47(218 x+12 ) :    327(21x+4) 327(21x+4) =−2(17 −528 x)

Multiply both sides by 7(21x+4)

327(21x+4) · 7(21x+4)=−2(17 −528 x)· 7(21x+4)

Simplify, 32=−14(17 −528 x)(21x+4)

Solve  32=−14(17 −528 x)(21x+4):    x=32+4√589105 , x=32−4√589105 x=32+4√589105 , x=32−4√589105

8 0
3 years ago
Read 2 more answers
What is the formula for a triangular prism
natta225 [31]
Hi!

The formula for a triangular prism's volume is
(V = volume, b = base, h = height, w = width)

V = 0.5 · b · h · w
^ the answer

Hope this helps! :)

5 0
3 years ago
The cellular phone service for a business executive is $35 per month plus $0.40 per minute of phone use over 900 min. For amonth
Helen [10]

Answer:

1022 minutes

Step-by-step explanation:

Let x be the number of minutes the executive used the phone

There is a base charge of $35 and only minutes greater than 900 min are charged at the rate of $0.40 per minute

So total bill A = 35 + 0.4(x-900)

We know the bill was $83.80

So we can rewrite the equation as

35 + 0.4(x-900) = 83.30

and solve for x

To make it easier for computational purposes

1)  Multiply both sides by 10

35\cdot \:10+0.4\left(x-900\right)\cdot \:10=83.8\cdot \:10

2) Perform individual multiplication

350+4\left(x-900\right)=838

3)  Subtract 350 from both sides

350+4\left(x-900\right)-350=838-350

4)  Simplify

4\left(x-900\right)=488

5) Divide both sides by 4

\frac{4\left(x-900\right)}{4}=\frac{488}{4}

6) Simplify

x-900=122

7) Add 900 to both sides to isolate x

x-900+900=122+900

8) Simplify to obtain x

x=1022

Answer: The executive used the phone for 1022 minutes that month

6 0
2 years ago
5(x+4)= -2(-4-x)+3 <br> what is the answer?
lianna [129]

Answer:

x = -3

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

Step-by-step explanation:

<u>Step 1: Define equation</u>

5(x + 4) = -2(-4 - x) + 3

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Distribute:                                   5x + 20 = 8 + 2x + 3
  2. Combine like terms:                   5x + 20 = 2x + 11
  3. Subtract 2x on both sides:        3x + 20 = 11
  4. Subtract 20 on both sides:        3x = -9
  5. Divide 3 on both sides:              x = -3

<u>Step 3: Check</u>

<em>Plug in x to verify it's a solution.</em>

  1. Substitute:                    5(-3 + 4) = -2(-4 - -3) + 3
  2. Simplify:                        5(-3 + 4) = -2(-4 + 3) + 3
  3. Add:                              5(1) = -2(-1) + 3
  4. Multiply:                        5 = 2 + 3
  5. Add:                              5 = 5

Here we see that 5 does indeed equal 5. ∴ x = -3 is a solution of the equation.

And we have our final answer!

5 0
3 years ago
Read 2 more answers
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