2 years ago

PLEASE HELP BEST AND QUICKEST ANSWER GETS BRAINLIEST

Mathematics

1 answer:

morpeh [17]2 years ago

6 0

Answer:

1.5 Liters

Step-by-step explanation:

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PtichkaEL [24]

(a) $x^{-5}$

(b) $3x^{-7}$

Solution:

To write each of the given expression in the form $ax^n$ :

(a) $\frac{x^3}{x^8}$

Using exponential rule: $\frac{a^x}{a^y}=a^{x-y}$

$$\frac{x^3}{x^8}=x^{3-8}$

$$\frac{x^3}{x^8}=x^{-5}$

(b) $\frac{6x}{2x^8}$

Divide numerator and denominator by the common factor 2, we get

$$\frac{6x}{2x^8}=\frac{3x}{x^8}$

Using exponential rule: $\frac{a^x}{a^y}=a^{x-y}$

$$=3x^{1-8}$

$$\frac{6x}{2x^8} =3x^{-7}$

Divide numerator and denominator by the common factor 7, we get

$$\frac{28x^6}{21x^2}=\frac{4x^6}{3x^2}$

Using exponential rule: $\frac{a^x}{a^y}=a^{x-y}$

$$=\frac{4}{3}x^{6-2}$

$$\frac{28x^6}{21x^2}=\frac{4}{3}x^4$

8 0

3 years ago

1.The head librarian at a public library releases a report. The report states that visitors to the library want the library to o

siniylev [52]

1. I believe B.

2. C most likely.

3. D

6 0

3 years ago

Read 2 more answers

A) Addition

SCORPION-xisa [38]

Answer:

3+16 divided by 4 is 4.75

4×7-2×6..... is5.33

168

5 0

3 years ago

If u = < 8,6> and v = (-8,-8>, what is u + v

denpristay [2]

Answer:

(0,-2)

Step-by-step explanation:

[8+(-8)},[6+(-8)}

[8-8},[6-8}

0,2

3 0

3 years ago

Which expression is equivalent to ? Assume

Lady_Fox [76]

we have

$\sqrt{8x^{7}y^{8}}= ({8x^{7}y^{8}})^{\frac{1}{2}}=(2^{3})^{\frac{1}{2}} (x^{7})^{\frac{1}{2}} (y^{8})^{\frac{1}{2}}\\=(2x^{3}y^{4})(2x)^{\frac{1}{2}}=(2x^{3}y^{4})\sqrt{2x}$

therefore

<u>the answer is the option </u>

$(2x^{3}y^{4})\sqrt{2x}$

6 0

3 years ago

Read 2 more answers