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Ilya [14]
3 years ago
9

HERE I AM AGAIN, HELPPPPP ILL GIVE BRAINLIEST <3

Mathematics
2 answers:
nikklg [1K]3 years ago
6 0

Answer:

For number three I think the blank represents 1.25

Step-by-step explanation:

<em><u>For the third one:</u></em>

I named the answer / total as x

-x - 2.25 = x

-x + 2.5 + 2.5 = x + 2.5

Simplifying it would give 1.25

(I'm unsure for the answer but I tried!)

HOPE THIS HELPS!!

fredd [130]3 years ago
5 0
it equals 2.75 because 2 negatives means you add
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katrin2010 [14]

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Step-by-step explanation:

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Six times a number increased by 20 is four less than eight times the number. Find the number
DaniilM [7]
Greetings!

"<span>Six times a number increased by 20 is four less than eight times the number. Find the number."...

This would be, as an equation:
</span>6x+20=8x-4

Solve:
Add 4 and -6x to both sides.
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4 0
3 years ago
Please help me . Find x.
Paladinen [302]

Answer:

12) 5.96 ; 13)

Step-by-step explanation:

12). x and 5 are legs, so

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5/x= tan40°,    5= x*tan40°, x= 5/tan40° ≈ 5.96

13). 15 is opposite leg

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opposite leg/hypotenuse = sin(x)

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x = arcsin(15/24) ≈ 38.68°

6 0
3 years ago
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