3 years ago

Solve the simulttaneous equations 4x + 7y = 1 3x +10y = 15

Mathematics

1 answer:

lutik1710 [3]3 years ago

4 0

Hope these are able to help, I had the same question and got both right.

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2 years ago

Solve the problem. The half-life of plutonium-234 is 9 hours. If 50 milligrams is present now, how much will be present in 6 day

MaRussiya [10]

Answer:

4) 0.001

Step-by-step explanation:

The amount (a) present in h hours is ...

a(h) = (initial value)×(1/2)^(h/(half-life))

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2 years ago

How do I do this please help

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Answer:

wrong as his calculation was incorrect at initial level itself when he found the result of the division

Step-by-step explanation:

Andre said

3 ÷ $\frac{2}{3}$

$=3 \times \frac{3}{2}$

$=\frac{3 \times 3}{2}$

$=\frac{9}{2}$

but andre calculated it as

$=4\tfrac{1}{3}$

$=\frac{4 \times 3 + 1}{3}$

$=\frac{13}{3}$

Hence his calculation was incorrect at initial level itself

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3 years ago

Randy said that the number 0.03 has a value 10 times greater than 0.003 is he correct.

pishuonlain [190]

Yes, he is correct. 0.003 * 10 = 0.03

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3 years ago

The Maximus Electric Company will increase employee's yearly wages by 2.5% next year. An employee whose

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Answer:

46,125

Step-by-step explanation:

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45,000 + 1,125 = 46,125

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2 years ago