3 years ago

2+2/////////............................................

Mathematics

2 answers:

melisa1 [442]3 years ago

4 0

Answer:

2+2=4

Step-by-step explanation:

so i hope this helped

Nat2105 [25]3 years ago

3 0

2+2 = 4
hope i helped you today.

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Two families go ice skating one day. The first family spends $25 on skate rentals for 5 kids and 2 adults. The second family spe

Phantasy [73]

Explanation:

Let’s take kids as x and adults as y

According to the question,

5x + 2y = 25 (1)
3x + 1y = 14 (2)

Let’s multiply (2) with 2 so take we can solve the equations

5x + 2y = 25
6x + 2y = 28
(-) (-) (-)
___________
-1x = = -3
x = 3

Substituting to get y

3x + 1y = 14
3(3) + y = 14
y = 14-9
y = 5

Answer:

Therefore, each child’s skate rental (x) costs $3 and each adults’s skate rental (y) costs $5

Hope it helped! :)

6 0

4 years ago

Which quadratic equation defines the function that has zeros at − 1/12 and 1/4 ?

Cerrena [4.2K]

$\bf \begin{cases}
x=-\frac{1}{2}\implies &x+\frac{1}{2}=0\\\\
x=\frac{1}{4}\implies &x-\frac{1}{4}=0
\end{cases}
\\\\\\
\left( x+\frac{1}{2} \right)\left( x-\frac{1}{4} \right)=\stackrel{y}{0}\implies \stackrel{FOIL}{x^2+\frac{1}{4}x-\frac{1}{8}}=y$