3 years ago

Riddle#1 what belongs to you but your friends use it more

Mathematics

2 answers:

coldgirl [10]3 years ago

8 0

Answer:

your name people lol...........

lilavasa [31]3 years ago

7 0

Answer:

Phone number

Step-by-step explanation:

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Brandon follows a 2,800 calorie per day diet. He has 11 servings of breads and cereal, which average 140 calorie each. Yesterday

JulijaS [17]

Breads/cereals;

11 * 140 = 1540 calories

Fruits/vegetables;

9 * 60 = 540 calories

Meat/milk;

x * 180 = 2800 - (1540 + 540)

180x = 2800 - 2080

180x = 720

x = 4 servings

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2 years ago

What is the value of the rational expression 2x^2+5x+9/x^2+2x-1 when x=-2

Sergio039 [100]

Answer:

The value of the Rational expression when $x=-2$ is: $-7$

Step-by-step explanation:

For this exercise is important to remember:

When a negative number is raised to an even power, the result will be positive.
The multiplication of signs:

$(+)(+)=+\\(-)(-)=+\\(-)(+)=-$

Then, given the following Rational expression:

$\frac{2x^2+5x+9}{x^2+2x-1}$

You need to follow these steps in order to find its value when $x=-2$ :

1. Substitute the given value of "x" ( $x=2$ ) into the expression:

$\frac{2(-2)^2+5(-2)+9}{(-2)^2+2(-2)-1}$

2. Evaluate and simplify:

$\frac{2(4)+5(-2)+9}{4+2(-2)-1}=\frac{8-10+9}{4-4-1}=\frac{7}{-1}=-7$

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3 years ago

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The sum of one-third of a number and three-fourths of the number exceeds that number by one. Which equation could be used to fin

Marrrta [24]

$\frac{n}{3} + \frac{3n}{4} = n+1 
$
$4n + 9n = n+1$
$13n = n+1$
$13n-n = 1$
$12n = 1$

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3 years ago

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the expression 42 plus 57 shows how much money Nate spent at a store .which expression also shows how much money Nate spend

ArbitrLikvidat [17]

Answer:

66+33

Step-by-step explanation:

42+57= 99

__________

My expression

66+33= 99

Hope this helps!

-Payshence

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2 years ago

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MAVERICK [17]

<span>y = –16x2 + 24x + 1
</span>(downward parabola)
it is a height
when the ball is 6ft above the ground

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3 years ago