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3 years ago

Have a test tomorrow, need help with question! Thank you :-)

Mathematics

1 answer:

Ket [755]3 years ago

8 0

If 1/4x - 1/4 = 2 then 2 + 1/4 = 1/4x.
so 3/4 = 1/4x
3/4 is equal to 1/1.33 (reduce by dividing both numerator and denominator by 3)
so 4 x ? = 1.33. 1.33 / 4 = 0.3325
so (if you're solving for x) I believe the answer is x = 0.3325

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Number 6 part a & b Number 7 Please & thank you

miv72 [106K]

Answer:

6- Part A: $750a+1200r=1000000$

Part B: $1065a+876r=1000000$

Solution of the system: $a\approx521.739\;\;\;\;b\approx507.246$

Step-by-step explanation:

Part A:

In words, the equation is formed like this:

Total kg of Arabica + Total kg of Robusta = Total kg of coffee

Now, the total of each yield is calculated by the product of kg/hectare and number of hectares. Thus, the equation is:

$750a+1200r=1000000$

Part B:

In words:

Arabica's worth + Robusta's worth = plantation worth

Each yield's worth is given by the product of the price per kg and the corresponding production. So, the equation is:

$1.42(750a)+0.73(1200r)=1000000\\1065a+876r=1000000$

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2 years ago

What is the volume of this sphere? Use a 3.14 and round your answer to the nearest hundredth. 7 m

kondor19780726 [428]

Answer:

V≈1436.76

Step-by-step explanation:

V=4/3 $\pi r^{3}$

V= 4/3 3.14* $7^{3}$

V=1436.75504

Rounded answer is 1436.76

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2 years ago

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80 percent of 230 is the same as 25 percent of what number?

vredina [299]

Answer:

736

Step-by-step explanation:

.8x230=184, 184x4=736

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2 years ago

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kipiarov [429]

Answer: -10x
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2 years ago

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2 years ago