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3 years ago

Unit rate of 88 students for 4 classes

Mathematics

1 answer:

masya89 [10]3 years ago

7 0

22 students per class
88/4 = 22

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A scientist is studying bacteria in a dish and discovered they grow and can 3 be tracked using the formula: 5*(1.50)^x +10, wher

scoray [572]

Answer:

Step-by-step explanation:

if x= number of hours replace the x by 9

so you have 5×(1.50)^9+10=

5×(192.21)+10 = 202.21 so 202 will be nearest whole number

6 0

3 years ago

Read 2 more answers

Plz help me!!!!!!!!!

Over [174]

Answer: $\bold{\dfrac{4\pm \sqrt{6}}{2}}$

<u>Step-by-step explanation:</u>

$\dfrac{3}{y-2}-2=\dfrac{1}{y-1}\\\\\\\text{Multiply by the LCD (y-2)(y-1) to clear the denominator:}\\\\\dfrac{3}{y-2}(y-2)(y-1)-2(y-2)(y-1)=\dfrac{1}{y-1}(y-2)(y-1)\\\\\\3(y-1)-2(y-2)(y-1)=1(y-2)\\\\3y-3-2(y^2-3y+2)=y-2\\\\3y-3-2y^2+6y-4=y-2\\\\-2y^2+9y-7=y-2\\\\0=2y^2-8y+5\quad \rightarrow \quad a=2,\ b=-8,\ c=5\\\\\\\text{Quadratic formula is: }x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}\\\\\\x=\dfrac{-(-8)\pm \sqrt{(-8)^2-4(2)(5)}}{2(2)}\\\\\\.\ =\dfrac{8\pm \sqrt{64-40}}{2(2)}$

$.\ =\dfrac{8\pm \sqrt{24}}{2(2)}\\\\\\.\ =\dfrac{8\pm 2\sqrt{6}}{2(2)}\\\\\\.\ =\dfrac{4\pm \sqrt{6}}{2}$

7 0

3 years ago

Order the set of numbers from least to greatest:<br>

RUDIKE [14]

Answer:

Step-by-step explanation:

because i got it right

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3 years ago

Math Help Please! (Show your work)

Hunter-Best [27]

Hey friend hope it is helpful ......

8 0

3 years ago

PLEASE LOOK AT PICTURE

hjlf

Answer:

g(x) x^2 - 5

------ = --------- where x ≠ - 1/4

f(x) 4x+1

Step-by-step explanation:

f(x) = 4x+1

g(x) = x^2 - 5

g(x) x^2 - 5

------ = ---------

f(x) 4x+1

The denominator cannot equal zero

4x+1 ≠ 0

4x≠-1

x≠-1/4

g(x) x^2 - 5

------ = --------- where x ≠ - 1/4

f(x) 4x+1

6 0

3 years ago

Read 2 more answers