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3 years ago

Please help i'll mark brainliest

Mathematics

1 answer:

Alex787 [66]3 years ago

3 0

Answer:

it issssss sass ccccccccccccccccccc

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Evaluate another function please

kari74 [83]

Answer:

70, I think

Step-by-step explanation:

f(10)= -10^2- 3(10)

f(10)= 100-30

f(10) = 70

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2 years ago

What is the percent change from 20 to 18?

irinina [24]

<span>there was a 10% decrease</span>

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3 years ago

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Find the length of a side of a square if its área is 4/25 cm2

USPshnik [31]

Answer:

2/5cm or 0.4cm

Step-by-step explanation:

Area of square = $Side^{2}$

Thus, Side = $\sqrt{Area}$

= $\sqrt{4/25}$

= 2/5 cm = 0.4cm

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3 years ago

Factorise fully 9x squared - 6xy

prisoha [69]

3x(3x-2y)

you have to find a common factor between the two numbers. in this case it's three, so you just divide each number by three.

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3 years ago

Solve for x:<br><br>5/7 = 4x/83

Simora [160]

Step-by-step explanation:

$\to \dfrac{5}{7} = \dfrac{4x}{83}$

By cross multiplication,

→ 83(5) = 4x(7)

→ 415 = 28x

In decimal : 14.8214286

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3 years ago