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1 year ago

Help me please!!!!!!

Mathematics

2 answers:

lys-0071 [83]1 year ago

4 0

The answer is A, 10 2/7 gallons.

harkovskaia [24]1 year ago

3 0

Answer:

the answer is A

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Step-by-step explanation:

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3 years ago

ABCD is a trapezium with AB parallel to DC.

Julli [10]

Answer:

Step-by-step explanation:a or b ?

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3 years ago

Tju [1.3M]

Answer:

Step-by-step explanation:

Rationalize the denominator of b. So, multiply the numerator and denominator by $\sqrt{x}$

$b = \frac{(1-2\sqrt{x}) *\sqrt{x}}{\sqrt{x}*\sqrt{x} }=\frac{1*\sqrt{x} -2\sqrt{x} *\sqrt{x} }{\sqrt{x} *\sqrt{x} }\\\\=\frac{\sqrt{x} -2x}{x}\\$

Now, find a +b

$a +b = \frac{2x+\sqrt{x} }{x}+\frac{\sqrt{x} -2x}{x}\\\\=\frac{2x+\sqrt{x} +\sqrt{x} -2x}{x}$

Combine like terms

$= \frac{2x-2x+\sqrt{x} +\sqrt{x} }{x}\\\\=\frac{2\sqrt{x} }{x}$

Now find (a + b)²

(a +b)² = $(\frac{2\sqrt{x} }{x})^{2}$

$= \frac{2^{2}*(\sqrt{x} )^{2}}{x^{2}}\\\\= \frac{4* x}{x^{2}}\\\\= \frac{4}{x}$

Hint: $\sqrt{x} *\sqrt{x} =\sqrt{x*x}=x$

5 0

3 years ago

What is the range of f(x)=43*2.4^x

Aliun [14]

This is an exponential function.
Without any transformations (up or down), the range is y > 0

7 0

3 years ago

What is the area of the parallelogram?

xeze [42]

Answer:

36 cm^2

Step-by-step explanation:

The formula for the area of a parallelogram is area = base (height). so area - 6(6). So the answer is 36 square cm.

8 0

3 years ago

Read 2 more answers