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Anastaziya [24]
3 years ago
8

Mentally estimate total cost of items that have the following prices: the Round off your answers to the nearest half-dollar

Mathematics
1 answer:
kirill115 [55]3 years ago
6 0
Hi there, the complete question is - <span>You wish to mentally estimate the total cost of items that have the following prices: $1.85, $.98, $3.49, $9.78, and $6.18. Rounding off the items to the nearest half dollar, your estimate of the total cost of these items is? 

Add and estimate 

</span> 2+1+3.5+10+6, so our estimate is $22.50.

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2. Solve the equation p2 + 6p = 1 by completing the square method. Show your work.
goldfiish [28.3K]

Answer:

p=0.125

Step-by-step explanation:

2p+6p=1

Add like terms

8p=1

Divide both sides by 8 to get p by itself

8p/8=1/8

p=0.125

7 0
3 years ago
Which expression has a value of 3?
Marina86 [1]

Step-by-step explanation:

3(4 *to the power of 2* - 3*to the power of 2*)

  • 3(4²-3²)
  • 3(16-9)
  • 3(7)
  • 21

24-23 x 3

  • 24-23×3
  • 24-69
  • -45

3*to the power of 3* - 3*to the power of 2

  • 3³-3²
  • 9-6
  • 3

(6*to the power of 2* - 3) (9*to the power of 2* - 70)

  • (6²-3)(9²-70)
  • (36-3)(81-70)
  • (33)(11)
  • 363

Hence, Option d. is the correct answer because it gives answer 3 when it is solved.

6 0
2 years ago
Simply
Digiron [165]

Answer:

A.6^1/12

Step-by-step explanation:

3√6/4√6

when dividing the same base, subtract the powers.

(6^1/3)/(6^1/4)

6^(1/3-1/4)

6^(4-3)/12

6^1/12

option A is collect

5 0
3 years ago
For what values of x is -1/2x+6&gt;4x-3
borishaifa [10]

Answer:

x<2

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

8 0
3 years ago
The answer to 4(7m+6f)
Mekhanik [1.2K]

Answer:

28m + 24f

Step-by-step explanation:

4(7m + 6f)

28m + 24f (distributive property of equality)

8 0
3 years ago
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