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3 years ago

10

A citizen must be at least 35 years old in order to run for thr Presidency of the United states . Define a varaible and write an

inequality for this situation

1 answer:

gladu [14]3 years ago

7 0

X= years
X (greater than or equal to) 35
x > 35
_

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faltersainse [42]

The price of one vegetarian special lunch is $7 and price of one chicken special lunch is $8.

Step-by-step explanation:

Let,

Price of one vegetarian special lunch = x

Price of one chicken special lunch = y

According to given statement;

21x+40y=467 Eqn 1

28x+36y=484 Eqn 2

Multiplying Eqn 1 by 28

$28(21x+40y=467)\\588x+1120y=13076\ \ \ Eqn\ 3$

Multiplying Eqn 2 by 21

$21(28x+36y=484)\\588x+756y=10164\ \ \ Eqn\ 4$

Subtracting Eqn 4 from Eqn 3

$(588x+1120y)-(588x+756y)=13076-10164\\588x+1120y-588x-756y=2912\\364y=2912$

Dividing both sides by 364

$\frac{364y}{364}=\frac{2912}{364}\\y=8$

Putting y=8 in Eqn 1

$21x+40(8)=467\\21x+320=467\\21x=467-320\\21x=147$

Dividing both sides by 21

$\frac{21x}{21}=\frac{147}{21}\\x=7$

The price of one vegetarian special lunch is $7 and price of one chicken special lunch is $8.

Keywords: linear equation, elimination method

Learn more about elimination method at:

#LearnwithBrainly

5 0

3 years ago

Combine the like terms to create an equivalent expression: r+(−5r)

nevsk [136]

Answer:

-4r

Step-by-step explanation:

Since r and -5r both have the same variable, we can combine them

r-5r = -4r

r+(−5r) = -4r

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3 years ago

A sophomore class sold a total of 700

mihalych1998 [28]

700 what and how much did they cost? the problem wasnt typed out right

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Find all real numbers x such that 4x - 18 > 2 and-17x - 8 < -25

Rashid [163]

The answer is on the bottom. Hope this helps.

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3 years ago

Read 2 more answers

Need help with this questions

S_A_V [24]

The answer would be the balance

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