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3 years ago

A certain ore contains 9 percent gold. How much ore (in tons) is needed to obtain 126 tons of gold

Mathematics

1 answer:

Stella [2.4K]3 years ago

7 0

Answer:

it'll take 251,991 tons of ore to obtain 126 tons of gold.. That's a lot

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The value of 12pi over 10pi times 5pi Over 6pi is closest to the whole number (blank). Find the blank

lisov135 [29]

Given:

The expression is

$\dfrac{12\pi}{10\pi}\times \dfrac{5\pi}{6\pi}$

To find:

The value of the given expression closest to the whole number.

Solution:

We have,

$\dfrac{12\pi}{10\pi}\times \dfrac{5\pi}{6\pi}$

Cancel out the common factors from each fraction.

$=\dfrac{6}{5}\times \dfrac{5}{6}$

$=\dfrac{6\times 5}{5\times 6}$

$=\dfrac{30}{30}$

$=1$

Therefore, the value of the given expression is 1.

6 0

2 years ago

S - 10,000 = 3,753 A. s = 13,573 B. s = 13,753 C. s = 10,375

Lesechka [4]

Answer:

B. s = 13753

Step-by-step explanation:

s - 10000 = 3753

To find value of s, add both sides by 10000

s - 10000 = 3753

+10000 +10000

-----------------------------------

s = 13753

6 0

3 years ago

Question 3 (2 marks)

Sav [38]

Answer:

$3385 per week

Step-by-step explanation:

so, he gets $370 plus 4.5% of what he is selling.

$67000 = 100% of selling

1% = 100%/100 = 67000/100 = $670

4.5% = 1% × 4.5 = 670 × 4.5 = $3015

so, he gets $370 + $3015 = $3385 per week

7 0

2 years ago

228 + 6 = R What is the quotient

cricket20 [7]

$228 + 6 = 224 + 6 + 4 = 230 + 4$

$= 234$

Answer: 234

ok done. Thank to me :>

4 0

2 years ago

Find the product.

dlinn [17]

The correct answer of the given expression above would be the last option. We just solved this using the distributive property.
So: (a - 3)(a - 5)
a^2 -3a -5a + 15
a^2 -8a + 15
Hope this is the answer that you are looking for. Have a great day!

4 0

2 years ago