3 years ago

U have 5 pens. u get 5 more pens. how many pens do u have now

Mathematics

1 answer:

rodikova [14]3 years ago

3 0

You have 10 pens! 5+5=10

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The maximum height of a vehicle that can safely pass under a bridge is 12 feet 5 inches. A truck measures 162 inches in height.

Leni [432]

1 foot = 12 inches. If you multiply 12 by 12 and then add 5, you get 149. 149 is less than 162 so it will be able to fit!

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2 years ago

Solve 5x^2=10x + 4<br><br> Help please I literally forgot what topic this is! Thanksssss !!!!

faltersainse [42]

X = 4/15. The topic is solving for unknowns in an equation.

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2 years ago

Consider a square and a regular hexagon (a 6-sided figure with sides of equal length). One side of the square is 4 feet longer t

Reil [10]

Notice the picture below

now, we know their perimeter are the same for both

thus 4(a+4) = 6a

solve for "a"

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2 years ago

kelly buys 3 video games that cost &18.95 each. she also buys 2 pairs of earbuds that cost $11.50 each. she has a coupon for

monitta

Answer:

The Cashier

Step-by-step explanation:

First you take off $2.00 of every $18.95 of the game and you get $16.95 you add 16.95 three times and after that you add 11.50 twice and then the sum of both the earbuds and the video games and you add both together and you get $73.85

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3 years ago

Determine the equation of quadratic function represented by the table of value below.

Svetllana [295]

Answer:

Step-by-step explanation:

The general rule for the quadratic function is

$y=ax^2+bx+c$

Use the data from the table:

$y(0)=6\Rightarrow 6=a\cdot 0^2+b\cdot 0+c\\ \\y(1)=4\Rightarrow 4=a\cdot 1^2+b\cdot 1+c\\ \\y(-1)=10\Rightarrow 10=a\cdot (-1)^2+b\cdot (-1)+c$

We get the system of three equations:

$\left\{\begin{array}{l}c=6\\ \\a+b+c=4\\ \\a-b+c=10\end{array}\right.$

From the first equation

$c=6,$ then

$\left\{\begin{array}{l}a+b=-2\\ \\a-b=4\end{array}\right.$

Add these two equations:

$a+b+a-b=-2+4\\ \\2a=2\\ \\a=1$

So,

$b=-2-a=-2-1=-3$

The quadratic function is

$y=1\cdot x^2-3x+6\\ \\y=x^2-3x+6$

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3 years ago