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3 years ago

How do you solve x+(2x + 40) + (3x - 50) = 15002

2 answers:

6 0

1. Take away the parentheses. x+2x+40+3x-50=15002

2. Add the X’s together.
x+2x+3x= 6x —> 6x+40-50=15002

3. Subtract 50 from 40.
40-50= -10 —> 6x-10=15002

4. Move -10 to the right hand side to make it positive.
6x=15002+10

5. Add 15002 and 10 together.
6x=15012

6. Divide 15012 by 6. Which makes the answer X=2502

brilliants [131]3 years ago

4 0

Answer:

First, combine like terms by combining the variables and constants. Then use properties of equality to isolate the variable and find the value for x.

Step-by-step explanation:

sample response from ed2020

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A small business assumes that the demand function for one of its new products can be modeled by p = Cekx. When p = $40, x = 1000

Maru [420]

Answer:

C= 82.1116

k=-0.0007192

Step-by-step explanation:

$p=Ce^{kx}\\40=Ce^{k1000}\\30=Ce^{k1400}\\$

Applying logarithmic properties yields in the following linear system:

$ln(40) = ln(C) + 1000k\\ln(30) = ln(C) + 1400k$

Solving for k:

$ln(40) = ln(C) + 1000k\\ln(30) = ln(C) + 1400k\\400 k = ln(30)-ln(40)\\k=-0.0007192$

Solving for C:

$40=Ce^{-0.0007192*1000}\\C= \frac{40}{e^{-0.0007192*1000}}\\C=82.1116$

C= 82.1116

k=-0.0007192

6 0

3 years ago

so im helping my lil brother he needs help and wanted to ask yall! he did not want me to help him he wants yall to!!

8_murik_8 [283]

Answer:

12 yards=36 feet

Step-by-step explanation:

1 yard=3 feet

2 yards=6 feet

3 yards=9 feet

4 yards=12 feet

5 yards=15 feet

6 yards=18 feet

7 yards=21 feet

8 yards=24 feet

9 yards=27 feet

10 yards=30 feet

11 yards=33 feet

12 yards= 36 feet

Hope this helped!! :)

Stay safe and have a wonderful day/night!!!!!

Brainliest?!?!

Tell your brother I said Hi!

Sorry if this is incorrect, correct me if I'm wrong.

3 0

2 years ago

Read 2 more answers

What number is needed to complete the pattern below? 202 210 218 __ 234 242 250 258

sdas [7]

202 + 8 = 210
210 + 8 = 218
218 + 8 = 226

The number is 226.

5 0

3 years ago

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Solve the systems by elimination: 8x-2y= -10 -4x+y= 5

Pachacha [2.7K]

Let's eliminate x. To achieve this, mult. the 2nd equation by 2, obtaining

-8x + 2y = 10. Now add this result to the first equation:

8x-2y= -10

-8x + 2y = 10

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The two equations actually represent the same line. Without an x- or a y-value, we cannot solve for the value of the other variable. There are infinitely many solutions.

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4 0

3 years ago

Which equation can be used to find the area of the of the trapezoid?

Leto [7]

Answer:

C) 1/2(15 +23)(9)

Step-by-step explanation:

The formula for the area of a trapezoid in terms of base lengths b1 and b2 and height h is ...

... A = 1/2(b1 +b2)h

Substituting the values shown in the figure, this becomes ...

... A = 1/2(15 +23)(9) . . . . . matches selection C

5 0

3 years ago