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user100 [1]
2 years ago
14

Someone to work out this sum in factorisation = 28-21w+14

Mathematics
1 answer:
Arisa [49]2 years ago
6 0
14-21w i believed based on my learning
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X - 2y = -3<br> 2x + y = -1
bezimeni [28]

Answer:

y = 1

x = -1

Step-by-step explanation:

x - 2y = -3, then x = 2y - 3

2x + y = -1

substitute for x:

2(2y - 3) + y = -1

4y - 6 + y = -1

5y = 5

y = 1

x = 2 - 3 = -1

3 0
2 years ago
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Plz help.....................
Nata [24]
I'm pretty positive it would be the second one from the top
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3 years ago
What is the length of EF? (Giving 45 points, please hurry!) ​
diamong [38]
The answer is 5 since the total is 7 and you already have 2
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1 year ago
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A flying squirrel lives in a nest that is 9 meters high in a tree. To reach a fallen acorn that is 4 meters from the base of the
Luba_88 [7]

Answer:

Flying squirrel have to glide is for 9.8 meters approximately.

Step-by-step explanation:

Here we can use Pythagoras theorem.

Height is 9 , base is 4.

We need to find the hypotenuse measure.

So, let's use Pythagoras theorem a^{2} +b^{2}= c^{2}

Plug in a as 9 and b 4.

9^{2} +4^{2}=c^{2}

Simplify the left side of the equation

81+16=c^{2}

97=c^{2}

Take square root on both sides.

c=9.8 meters.

6 0
2 years ago
What is the simplest form of 3 square root 27 a^3b^7?
4vir4ik [10]
\sqrt[3]{27a^3b^7} = \sqrt[3]{3^3 \cdot a^3 \cdot b^6 \cdot b^} = 3ab^2(\sqrt[3]{b} )
5 0
3 years ago
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