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Pachacha [2.7K]
3 years ago
5

Please help me by the way this is a 2 mark question from mathswatch​

Mathematics
1 answer:
BigorU [14]3 years ago
3 0

Answer:

y = - 13, y = 13

Step-by-step explanation:

Given

y² = 169 ( take the square root of both sides )

y = ± \sqrt{169} = ± 13

Since 13 × 13 = 169 and - 13 × - 13 = 169

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Cleary it fits 1 2/3 3/5 more than twice
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3 years ago
Find the area of the figure.
victus00 [196]

Answer:384cm²

Step-by-step explanation:

first find the area of the parallelogram

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add the areas together

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4 0
2 years ago
A fence is 692 m long. It is cut into three parts. Two parts are the same length, and the third part is 26 m longer than either
xenn [34]
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7 0
3 years ago
How to solve -6<-2x<14
algol13
Hey there! :) 

-6 < -2x < 14

We're trying to solve for x. To solve for x, we must isolate x.

So, let's divide everything by -2!

-6 ÷ -2 < -2x ÷ -2 < 14 ÷ -2

**Remember : when dividing by a negative number, you MUST switch the sign! So, if the sign is ">" then we switch it to "<" and the other way around **

3 > x > -7

So, our answer is : → 3 > x > -7

~Hope I helped!~
4 0
3 years ago
Provide an appropriate response.
oksian1 [2.3K]
You don't even have to look up the definition of 'standard deviation'.  You only
have to remember that 'smaller standard deviation' means 'less spread-out'.

First, let's find the mean (average).  It's not supposed to change:

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Now, just pick 7 scores that total 561 and are all bunched up.

The easiest way would be 80, 80, 80, 80, 80, 80, 81 .
But that's so easy that it feels like cheating.

Let's say <u>77, 78, 79, 80, 81, 82, and 84</u> .
8 0
3 years ago
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