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RSB [31]
3 years ago
6

Solve 2(x + 3) = x - 4

Mathematics
2 answers:
Brrunno [24]3 years ago
5 0

Answer:

   2(x + 3) = x - 4

=> 2x + 6 = x - 4

=> 2x -x = -4 -6

=> x = - 10

andreyandreev [35.5K]3 years ago
3 0

Answer:

x = -10

Step-by-step explanation:

first, expand the left side of the equation (distributive property):

2x + 6 = x - 4

then, subtract x and 6 on both sides to put like terms together:

2x - x = -4 - 6

combine like terms:

x = -10

done! hope this helps!

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Answer:

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5 0
3 years ago
What’s the correct answer for this question?
crimeas [40]

ANSWER

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5 0
3 years ago
Chapter 8 Written Homework 1. A hypothesis test is conducted to test the claim that the proportion of people with dark hair at M
UNO [17]

Answer:

we reject  H₀

Step-by-step explanation:  Se annex

The test is one tail-test (greater than)

Using   α = 0,05   (critical value )  from z- table we get

z(c) = 1,64

And Test hypothesis is:

H₀         Null hypothesis           μ   =  μ₀

Hₐ       Alternate hypothesis   μ   >  μ₀

Which we need to compare with z(s) = 2,19  (from problem statement)

The annex shows z(c), z(s), rejection and acceptance regions, and as we can see z(s) > z(c) and it is in the rejection region

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3 0
3 years ago
The height of a doorway is 8 yards. What is the height of the doorway in inches?
charle [14.2K]

Answer:

288

Step-by-step explanation:

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4 0
3 years ago
a furniture shop refinshes cabinets. employees use one of two methods to refinish each cabinet. method 1 takes 1 hour and the ma
Margaret [11]

Answer:

70 cabinets in method 1 and 24 cabinets in method 2.

Step-by-step explanation:

Let in method 1 they refinish x cabinets and in method 2 they refinish y cabinets.

Now, given that method 1 and method 2 takes 1 hour and 1.5 hours respectively and the material costs for method 1 and method 2 are $6 and $4 respectively.

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6x + 4y = 516 ....... (2)

Now, solving equations (1) and (2), we get  

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⇒ y = 24 cabinets

From equation (1) x = 106 - 1.5y = 106 - 36 = 70 cabinets. (Answer)

3 0
3 years ago
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