3 years ago

Someone please help answer fast

Mathematics

1 answer:

Elena-2011 [213]3 years ago

3 0

18,500 because 500 times 36 is 18,000 plus 500

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Solve the following equation for b. 1/2HB=d2

geniusboy [140]

Steps to solve:

1/2hb = d²

~Divide 1/2h to both sides

b = 2d²/h

Best of Luck!

6 0

3 years ago

I have asked so many times and no one will answer. :(

andrew-mc [135]

Answer:

1) $\frac{1}{2^7}$ ; 2) $11^7$

Step-by-step explanation:

1) Using the Power of a Fraction Rule $(\frac{a}{b} )^x = (\frac{a^x}{b^x} )$ ,

$(\frac{1}{2} )^7 = (\frac{1^7}{2^7} )$ , which can just be simplified to $\frac{1}{2^7}$ .

2) Using the Negative Exponent Rule, $a^{-x} = \frac{1}{a^{x}}$ ,

$(\frac{1}{11} )^{-7} = \frac{1}{\frac{1}{11^7}}$ , which can be simplified to $11^7$ .

4 0

2 years ago

A colony of 40 bacteria doubles in size every 309 minutes. What will the population be 618 minutes from now?

andreev551 [17]

It will be 69 because 68 is wrong and 69 is right

7 0

3 years ago

Can someone get the answer and explain i will give brainliest.

uranmaximum [27]

Answer: (a^2bc)^2 for the first one

6 0

3 years ago

Please factor and find the zeros of each relation (18 marks)

AlekseyPX

Answer:

$C. \ \frac{-2}{3} , \ \frac{-4}{5}\\\\D. \ -2, \ -4$

Step-by-step explanation:

$30x^2 + 44x +16 = 0\\\\2(15x^2 + 22 + 8) = 0\\\\2(15x^2 + 12x + 10x + 8) = 0\\\\2(3x(5x + 4)+2(5x + 4))=0\\\\2((3x + 2)(5x + 4)) = 0\\\\Zeroes : 3x + 2 = 0 => x = \frac{-2}{3}\\$

$5x+ 4 = 0 => x = \frac{-4}{5}$

$10x^2 + 60x +80 = 0\\\\10(x^2 + 6x + 8)= 0\\\\10(x^2 + 4x + 2x + 8)=0\\\\10(x(x+4)+2(x+4))=0\\\\10((x+2)(x+4))=0\\\\Zeroes : x + 2 = 0 =>x = -2$

$x + 4 = 0 => x= -4$

3 0

3 years ago