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ExtremeBDS [4]
3 years ago
9

Please help me and I’ll give you brainiest!!!!!!!!! :))))

Mathematics
1 answer:
katen-ka-za [31]3 years ago
4 0

Answer:

12

Step-by-step explanation:

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Sum of two numbers is 20 their difference is 118
padilas [110]

Answer:

y = -49 x = 69

Step-by-step explanation:

make an equation

x+y=20 and x-y=118

then you can solve by elimination

x+y=20

x-y=118

=2x=138

x=69

69-y=118

-y=49

y=-49

5 0
4 years ago
An airplane leaves a runway at an angle of 0 .when the airplane has reached an altitude of 5000 feet it has traveled 10,000 feet
hjlf

Answer: no

Step-by-step explanation: if it left then it would have to be angled at least a little bit.

7 0
3 years ago
Two planes just took off from Milwaukee, WI. The first plane is traveling 3
drek231 [11]
Answer:

D = rt
b, slower plane
8.5(3b) - 8.5(b) = 1649
25.5b - 8.5b = 1649
17b = 1649
b = 97mph
3b = 291mph
4 0
3 years ago
El quintuple de un número cuadrado disminuido en 9 da como resultado 36;¿cual es ese número?
hram777 [196]

Usando un sistema de ecuaciones, se encuentra que ese número es n = -3 o n = 3.

<h3>¿Qué es un sistema de ecuaciones?</h3>

Un sistema de ecuaciones es cuando dos o más variables están relacionadas y las ecuaciones se construyen para encontrar los valores de cada variable.

En este problema, la variable es el número n.

El quintuple de un número cuadrado disminuido en 9 da como resultado 36, o sea, la ecuación es:

5n² - 9 = 36

5n² = 45

n² = 9

n = -3 o n = 3.

Puede-se aprendes mas a cerca de sistema de ecuaciones en brainly.com/question/27305333

6 0
3 years ago
2hat is the sum of 2x-5y need help asap plz
damaskus [11]
Because these are not like terms, they cannot be combined. The variables are different, that's what makes them not like terms
4 0
3 years ago
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