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tester [92]
3 years ago
10

Plz help ill give you brainlist to you

Mathematics
1 answer:
Nastasia [14]3 years ago
8 0
First one the answer is A; Alexander needs 70 ft
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1. La suma de dos números es 115. El número mayor es dos veces más 22 unidades que el otro. Hallar
Lerok [7]

De acuerdo con un sistema de ecuaciones, tiene-se que los números son 31 y 84.

----------------

  • En el sistema de ecuaciones, tiene-se que los números son x e y.
  • Suma de 115, o sea, x + y = 115
  • <u>El número mayor es dos veces más 22 unidades que el otro</u>, o sea, x = 2y + 22

----------------

Primero se encuenta el número menor, <u>reemplazando la segunda ecuación en la primera:</u>

x + y = 115

2y + 22 + y = 115

3y = 93

y = \frac{93}{3}

y = 31

----------------

El número mayor es dado en <u>función de el menor</u>, o sea:

x = 2y + 22 = 2(31) + 22 = 62 + 22 = 84

Los números son 31 y 84.

Otro problema resuelto por sistema de ecuaciones es dado en brainly.com/question/24637096

6 0
3 years ago
I need help please help. 2 Questions.
Colt1911 [192]

Answer:

Step-by-step explanation:

8 0
3 years ago
Six equilateral triangles are connected to create a regular hexagon. The area of the hexagon is 24a2 – 18 square units. Which is
shusha [124]
It would be 6(4a2 - 3)
you would factor out just the 6 because the 18 doesn’t a a term with it like 34a2 does. then just divide normally to get ur answer 6(4a2 - 3)
3 0
3 years ago
Which is an equivalent form of the equation 2x - y = 12?
aalyn [17]
2x-y=12
-y=12-2x
(-y=12-2x)devide -1
y = -12+2x
y=2x-12
ANSWER = C
7 0
3 years ago
My favorite recipe for lemonade calls for 4 cups of water to 3/4 cups sugar. How
Nikolay [14]

Answer and Step-by-step explanation:

To find the unit rate, divide the 4 cups of water and the \frac{3}{4} cups sugar by 4 to get a unite rate for 1 cut of water.

<u>4 divided by 4 equals 1.</u>

<u />

<u />\frac{3}{4}<u> divided by 4 equals </u>\frac{3}{16}<u>.</u>

<u />

<u>Now, we multiply </u>\frac{3}{16}<u> by 6.</u>

<u></u>\frac{9}{8}<u> is how many cups of sugar that needs to be measured for 6 cups of water.</u>

<u><em>#teamtrees #PAW (Plant And Water)</em></u>

8 0
3 years ago
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