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Zepler [3.9K]
3 years ago
14

Estimated 5.4÷2 1/2​

Mathematics
2 answers:
aalyn [17]3 years ago
8 0

Answer:

2.16

Step-by-step explanation:

when you put the equation in the calculator, you get 2.16

Scorpion4ik [409]3 years ago
3 0

Answer:

2 (rounded down to the nearest whole number)

Step-by-step explanation:

5.4/2.5=2.16

Providing your wording of <em>estimated</em> - I will take that as you want to round down to the nearest whole number.

<em />

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What is the complete factor of 4x^2 + 12x- 15?
8090 [49]

Answer:

(2x + 3 + 2√6)(2x + 3 - 2√6)

Step-by-step explanation:

<u>Factorization in steps</u>

  • 4x^2 + 12x- 15=
  • (2x)^2 + 2*2x*3 + 3^2 - 9 - 15 =
  • (2x + 3)^2 - 24 =
  • (2x + 3 + √24)(2x+3 - √24) =
  • (2x + 3 + 2√6)(2x + 3 - 2√6)
6 0
4 years ago
Step by step explanation of y-10=9(x+8), written in standard form
aleksandrvk [35]

Answer:

y-10=9x+72

y-10-72=9x

y-82=9x

y=9x+82

5 0
3 years ago
I’m rohmbus ABCD, AB= 14 and AC= 26. Find the area of the rhombus to the nearest tenth.
Effectus [21]
The complete question in the attached figure
 we know
In a rhombus ABCD<span> , </span>AC <span> = 26 , </span>AB<span>  = 14
</span><span>the diagonals of a rhombus are perpendicular bisectors of each other
</span>AX<span>  = </span>XC<span>  = 13. triangle </span>ABX<span>  is a right triangle with hypotenuse 14.
</span>

From the pythagoras theorem AB² =<span> AX</span>² + BX²

14² = 13² + BX²

196 = 169 + BX²

27 = BX²-----  > BX=√27

BX  = 5.20

Area of ABX<span>  triangle=(1/2)*5.2*13=33.77
</span>

The four triangles formed by construction of the diagonals are all congruent since the diagonals are perpendicular bisectors.

Total area of the rhombus is 4 times of ABX  triangle

 <span>Area = 4* 33.77=135.10 units</span>²

the answer is the option D) 135.1 units ²

6 0
3 years ago
Write an equation that is equivalent to 1/4 plus 1 plus 3/4 minus 2/3 minus 1/2
blondinia [14]

Answer:1/4 + 1/4 = 1/2 = 0.5

3 0
3 years ago
14 ) Mark Achin sells 3,600 electric motors each year . The cost of these is $ 200 each , and demand is constant throughout the
ANTONII [103]

Mark Achin's economic order quantity in units is <u>D. 120​ units</u>.

<h3>What is economic order quantity?</h3>

The economic order quantity (EOQ) is the optimal order quantity that minimizes the total costs (ordering, receiving, and holding inventory).

The formula for the economic order quantity is the square root of [2(setup costs)(demand rate)] / holding costs.

<h3>Data and Calculations:</h3>

Annual demand = 3,600

Cost price per unit = $200

Ordering cost = $40

Holding cost per unit = $20

Working days per year = 360

Lead time = 5 days

Economic order quantity (EOQ) = square root of: [2(setup costs)(demand rate)] / holding costs.

= square root of (2 x $40 x 3,600)/$20

= 120

Thus, Mark Achin's economic order quantity in units is <u>D. 120​ units</u>.

Learn more about the economic order quantity at brainly.com/question/13386271

#SPJ1

3 0
3 years ago
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