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2 years ago

Use the picture were it says a, b, c, d those are the steps

Mathematics

1 answer:

Nezavi [6.7K]2 years ago

6 0

Opens upwards
minimum
yes
compression

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Which equation is equivalent to 3[x + 3(4x – 5)] = 15x – 24?

makkiz [27]

Hello from MrBillDoesMath!

Answer:

x = 7/8

Discussion:

3[x + 3(4x – 5)] = 15x – 24 =>

3x + (3*3)(4x-5) = 15x - 24 =>

3x + 9*(4x) - (3*3)*5 = 15x - 24 =>

3x + 36x - 45 = 15x - 24 => (add 24 to each side)

3x + 36x - 45 + 45 = 15x - 24 + 45 =>

39x = 15x + 21 => (as 45-24 = 21)

39x-15x = 21 => (subtract 15x from both sides)

24x = 21 =>

x = 21/24 = -7/8

Regards,

MrB

P.S. I'll be on vacation from Friday, Dec 22 to Jan 2, 2019. Have a Great New Year!

5 0

3 years ago

Read 2 more answers

b) The average age of Bishwant. Pujan. Tanus and Salon is 11 years. If the of the first three children are 10 years, 14 years an

sertanlavr [38]

Answer:

8 years

Step-by-step explanation:

the age of Saloni = (4×11) - (10+14+12)

= 44 - 36

= 8 years

6 0

2 years ago

Use grouping symbols to make the following equation true.<br> 5 x 4 = 3²-4=4

Luba_88 [7]

Answer:

(5 x 4)= (3^2 - 4)= 4

Step-by-step explanation:

(5 x 4)=20,

(3^2 -4)= (9-4)

(20)=(5)=4

20/5=4

4=4

7 0

3 years ago

A firm that stocks lightbulbs gathers the following information: Demand = 19,500 units per year, Ordering cost = $25 per order,

vredina [299]

Answer:

Step-by-step explanation:

Demand = 19,500 units per year (D)

Ordering cost = $25 per order (O)

Holding cost = $4 per unit per year (C)

a) $EOQ=\sqrt{ \frac{2\times D\times O}{C}}$

$EOQ=\sqrt{ \frac{2\times 19,500\times 25}{4}}$

= $\sqrt{\frac{975000}{4}}$

= $\sqrt{243,750}$

= 493.71044 ≈ 494

b) Annual holding cost = $4\times(\frac{Q}{2})$

= $4\times(\frac{494}{2})$

= 4 × 247

= 988

c) Annual ordering cost = $O\times(\frac{D}{Q} )$

= $25\times(\frac{19,500}{494} )$

= 25 × 39.47

= 986.75

AOQ = 494

Annual holding cost = 988

Annual ordering cost = 986.75

3 0

3 years ago

Rewrite the expression with the given base. 25^3x with a base of 5

spin [16.1K]

$\bf 25=5^2\qquad \qquad 25^{3x}\implies (5^2)^{3x}\implies 5^{2\cdot 3x}\implies 5^{6x}$

6 0

3 years ago

Read 2 more answers