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2 years ago

I need help.Don’t post any link i’m not going to download them

Mathematics

1 answer:

Romashka-Z-Leto [24]2 years ago

8 0

Answer:

without link we cant help you if you want you can see the link

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Help I will mark brainliestttt

Tresset [83]

Answer:

Step-by-step explanation:

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2 years ago

2x-ay=3<br><br>8x-12y=b I'm supposed to find what a-b equals.

PolarNik [594]

Answer:

Step-by-step explanation:

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2 years ago

Which is bigger 11/20 or 14/25?

NeX [460]

14/25 is bigger, when you divide these numbers and look for their decimals, you can tell which one is greater

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2 years ago

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Which expression is equivalent to [(3xy^-5)^3/(x^-2y^2)^-4]^-2?

Mademuasel [1]

Answer:- a.The given expression is equivalent to $\frac{x^{10}y^{14}}{729}$

Given expression:- $[\frac{(3xy^{-5})^3}{(x^{-2}y^2)^{-4}}]^{-2}$

$=[\frac{(3)^3x^3y^{-5\times3}}{x^{-2\times-4}y^{2\times-4}}]^{-2}.........(a^m)^n=a^{mn}$

$=[\frac{27x^3y^{-15}}{x^8y^{-8}}]^{-2}$

$=[27x^{3-8}y^{-15-(-8)}]^{-2}............\frac{a^m}{a^n}=a^{m-n}$

$=[27x^{-5}y^{-7}]^{-2}=(27)^{-2}(x^{-5})^{-2}(y^{-7})^{-2}.........(a^m)^n=a^{mn}$

$=\frac{1}{(27)^2}(x^{10}y^{14})=\frac{x^{10}y^{14}}{729}$

Thus a. is the right answer.

6 0

2 years ago

Read 2 more answers

A storekeeper increased the price of hats by 5%.

Virty [35]

Answer: c = 1.05p

Step-by-step explanation:

Price of the hat = p

Percentage increase in the price of the hat = 5%

The equation to calculate the increase of the total cost, c, of the hat will be:

c = p + (5% × p)

= p + (5/100 × p)

= p + (0.05 × p)

= p + 0.05p

c = 1.05p

8 0

2 years ago