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babymother [125]
3 years ago
5

If √2x+1-1=4, then x= ?

Mathematics
1 answer:
NISA [10]3 years ago
4 0

\sqrt{2x}  + 1 - 1 = 4 \\  \sqrt{2x}  = 4 \\ 2x =  {4}^{2} \\ x = 16 \div 2 \\ x = 8
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May I please receive help?<br> Please????
Dafna11 [192]

Answer:

<1=23

Step-by-step explanation:

If WXZ contains both <1 and <2, and <2 is 4 times <1, then we can set this up as x + 4x = 115

This is easily simplified to 5x = 115

Divide both sides by 5 and you will get x=23

6 0
2 years ago
A dinner check is to be split among 3 people. Greg’s portion of the check is twice Kelly’s. Joe’s portion is $1.50 less than 4 t
defon

Answer:

Kelly owes $16.5

Greg owes $33

Joe owes $64.5

Step-by-step explanation:

Let

Kelly's portion = x

Greg's portion = 2x

Joe's portion = 4x - 1.50

Total bill = $114.00

Total bill = Kelly's portion + Greg's portion + Joe's portion

114 = x + 2x + (4x - 1.50)

114 = 3x + 4x - 1.50

114 = 7x - 1.50

Add 1.50 to both sides

114 + 1.50 = 7x - 1.50 + 1.50

115.5 = 7x

Divide both sides by 7

x = 115.5 / 7

= 16.5

x = $16.5

Kelly's portion = x

x = $16.5

Greg's portion = 2x

= 2 × 16.5

= $33

Joe's portion = 4x - 1.50

= 4(16.5) - 1.50

= 66 - 1.50

= $64.5

Therefore,

Kelly owes $16.5

Greg owes $33

Joe owes $64.5

7 0
3 years ago
One week, Morgan earned $283.90 at her job when she worked for 17 hours. If she is
77julia77 [94]
283.90 divided by 17 to get the hourly rate. Which is 16.7. Then you multiply by 20 hours and get 334



Answer $334
4 0
3 years ago
The area of this figure is? sq meters
Ierofanga [76]

Answer:

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5 0
3 years ago
What is the sum of 15 and its additive inverse?
bonufazy [111]

Answer:

The answer is C, zero

Step-by-step explanation:

Additive inverses are numbers that equal zero when added together.

6 0
3 years ago
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