3 years ago

Need help asap, please will give brainly

Mathematics

2 answers:

kolezko [41]3 years ago

3 0

Answer:

i think the second one or the first one

Step-by-step explanation:

hope this helps

OLga [1]3 years ago

3 0

It's the second one!

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HELP PLS LAST ONE<br> Simplify (4y³ – 2y +9) − (2y³ − 3y² + 4y + 7).

Fynjy0 [20]

Simplifed: 2y^3+3y^2−6y+2

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2 years ago

Evaluate (−23)×(−23)3 by using the Laws of Exponents

Nikolay [14]

Given:

$\left(-\dfrac{2}{3}\right)\times \left(-\dfrac{2}{3}\right)^3$

To find:

The value of given expression by using the Laws of Exponents.

Solution:

We have,

$\left(-\dfrac{2}{3}\right)\times \left(-\dfrac{2}{3}\right)^3$

Using the Laws of Exponents, we get

$=\left(-\dfrac{2}{3}\right)^{1+3}$ $[\because a^ma^n=a^{m+n}]$

$=\left(\dfrac{-2}{3}\right)^{4}$

$=\dfrac{(-2)^4}{(3)^4}$ $[\because \left(\dfrac{a}{b}\right)^n=\dfrac{a^n}{b^n}]$

$=\dfrac{(-2)\times (-2)\times (-2)\times (-2)}{(3)\times (3)\times (3)\times (3)}$

$=\dfrac{16}{81}$

Therefore, the value of given expression is $\dfrac{16}{81}$ .

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3 years ago

9) Simplify 5^12 ÷ 5^3 A. 5^4 B. 5^9 C. 1^4 D. 1^9

Mashcka [7]

When you divide powers, you subtract them.

12-3=9

B. 5^9 is the answer.

I hope this helps!
~kaikers

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3 years ago

Suppose that a rectangular piece of glass has a perimeter of 20 meters. If we multiply both its length and its width by 4, what

goldenfox [79]

Answer:

Answer B is the correct answer

Step-by-step explanation: :)

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3 years ago

Why does it take 10 copies of 1 sixth to make the same amount as five copies of 1 third explain your answer in words and picture

vesna_86 [32]

10 is double of 5
6 is double of 3

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4 years ago