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Mashcka [7]
2 years ago
13

HELPPPP PLEASEEEEE ​

Mathematics
1 answer:
Alecsey [184]2 years ago
7 0
I’m not rly sure what it means by flipping the card …. I’m assuming there’s more to this question but if it’s what I think it is the only way this equation will be true is by switching the + Symbol to - (subtraction) which would be 1-2= 3-4 since it would 1=1 making the equation true
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51 times the difference between a number and 21 is equal to the number plus 58.
Lerok [7]

51(x - 21) = x + 58

<em><u>Distributive property</u></em>

51x - 1071 = x + 58

<em><u>Subtract x from both sides</u></em>

50x - 1071 = 58

<em><u>Add 1071 to both sides</u></em>

50x = 1129

<em><u>Divide both sides by 50</u></em>

x = 22.58


7 0
3 years ago
Please help me complete this quiz lol
melomori [17]
I believe the first answer is correct
7 0
3 years ago
Adrian jogs 3\4 mile each morning.How many days will it take him to jog 3 miles? Plz help
zubka84 [21]
It would take Adrian 4 days, if you add 3/4 four times all together you will  end up with 12/4. Then you have to simplify it, getting the answer 3. Hope this helped! :)
3 0
3 years ago
A quadrilateral has angles
Liono4ka [1.6K]

Answer:

95 degrees

Step-by-step explanation:

The sum of the measures of a quadrilateral is 360 degrees.  360-105-80-80 = 95 degrees

4 0
2 years ago
Read 2 more answers
Calcular x en: los datos q faltan
Taya2010 [7]
Answer:

x = 13

Step-by-step explanation:

No se exactamente como decir esto porque yo ayudo la majoria de los usuario en ingles pero hay que usar un método para describir a x

Un método que se llama Pythagorean theorem

Pythagorean theorem: a^2 + b^2 = c^2 donde a^2 = 5 b^2 = 12 y c^2 = x

Entonces…

5^2 + 12^2 = c^2

Nota: podemos ver que esto esta bien porque el sum de los dos lados suma el mas largo.

Ahora

25 + 144 = c^2

c^2 = 169

Pero eso no puede ser la respuesta porque no tiene sentido a que x sea un lado que mide 169 entonces tenemos que usar sqrt rt

sqrt rt de 169 = 13

x = 13
4 0
3 years ago
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