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lisabon 2012 [21]
3 years ago
11

The sum of two numbers is 20,one number is 4 less than the other.find the number

Mathematics
2 answers:
kogti [31]3 years ago
5 0
I’ve attached my work
Hope this helps!

Marysya12 [62]3 years ago
4 0
X-4+x=20


2x=20+4
2x=24
X=12
Number is 12 because 12-4 is 8 and 8+12 is 20
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I'll give you brainliest answer!! Help me. This diagram shows a smaller square inscribed within a larger square.
Veseljchak [2.6K]
Each side of the smaller square is the hypotenuse of the triangles with legs of 3 and 4.  From the Pythagorean Theorem, we can calculate the hypotenuse:
hypotenuse^2 = 3^2 + 4^2
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8 0
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Yasmine made waffles for her family.4/7 of the waffles where blueberry 1/7 of the waffles where chocolate chip . The rest of the
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Answer:

2/7 of the waffles did not have blueberries or chocolate chips.

Step-by-step explanation:

So first, it says 4/7 were blueberry, and 1/7 were chocolate chip. When you add them two you get 5/7. The denominator is 7, so subtract 7 from 5 and you get 2, 2/7. 2/7 of the waffles did not have blueberries or chocolate chips.

7 0
3 years ago
I need help on this
valentinak56 [21]

Answer:

Im pretty sure it's the 2nd one

8 0
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vovangra [49]

Answer:

Hello,

x\in \bigg\{\dfrac{2\pi}{3} ,\dfrac{4\pi}{3}\bigg\}\\

Step-by-step explanation:

5*sec(x)+7=-3\\\\sec(x)=\dfrac{-10}{5} \\\\\dfrac{1}{cos(x)} =-2\\\\cos(x)=-\dfrac{1}{2} \\\\x=120^o\ or\ x=240^o\\

8 0
3 years ago
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Vlada [557]
Answer:
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Explanation:
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Hope this helps :)
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