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3 years ago

Which is bigger 40% of 120 or 1/4 of 200

Mathematics

1 answer:

Dimas [21]3 years ago

5 0

1/4 of 200 is bigger because it is 50 and 40% of 120 is 48

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Represent the following expressions as a power of the number a (a≠0): c ((a2)−2)5÷(a4a)3

s2008m [1.1K]

Answer:

1/a²⁷

Step-by-step explanation:

Given: $\frac{((a^2)^{-2})^5}{a^4.a^3}$

We know that when the bases are same the powers can be added. i.,e.,

(xᵃ)ᵇ = x ⁽ᵃ ⁺ ᵇ⁾

⇒ $\frac{((a^2)^{-2})^5}{a^4.a^3} \implies \frac{(a^2)^{-10}}{a^7}$

$\implies \frac{a^{-20}}{a^7} = a^{-20 - 7} = a^{-27}$

Also, $\frac{x^a}{x^b} = x^{a - b}$

This is nothing but, $\frac{1}{a^{27}}$ .

Note that $a$ cannot be zero here. The condition is provided in the question as well.

7 0

3 years ago

PLZ HELP ME I NEED HELP

NemiM [27]

Answer:

A,C and B

Step-by-step explanation:

4 0

3 years ago

What is the solution of the equation?

pantera1 [17]

4.7x + 3.8 = 13.2
4.7x + 3.8 - 3.8= 13.2 - 3.8
4.7x = 9.4
x = 2

answer is D. 2

7 0

3 years ago

Read 2 more answers

The algebraic expression for the sum of 5 and g?

ra1l [238]

Answer:

5 + g

Step-by-step explanation:

The sum of 5 and g,

5 + g

6 0

3 years ago

There is a photo attached tan 270 is incorrect!

wlad13 [49]

$\dfrac{1-\cos135^\circ}{\sin135^\circ}=\dfrac{1-\left(\cos^2 67.5^\circ-\sin^2 67.5^\circ\right)}{2\sin67.5^\circ\cos67.5^\circ}=\dfrac{1-\left(1-\sin^2 67.5^\circ-\sin^2 67.5^\circ\right)}{2\sin67.5^\circ\cos67.5^\circ}=\medskip\\=\dfrac{2\sin^2 67.5^\circ}{2\sin67.5^\circ\cos67.5^\circ}=\dfrac{\sin 67.5^\circ}{\cos 67.5^\circ}=\tan 67.5^\circ$

3 0

3 years ago