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3 years ago

Consider the equation below.

Mathematics

1 answer:

Marta_Voda [28]3 years ago

7 0

Be because I did this it’s just extremely hard to explain how to trust OK open helps

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3D shapes that have only rectangles are called...?

IgorLugansk [536]

Answer:

cuboid

Step-by-step explanation:

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3 years ago

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What value must k take in order for the following expression to be greater than zero?

svetlana [45]

Basically anything greater than zero...k>0

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3 years ago

Find the total surface area for the hexagonal prism?

Mnenie [13.5K]

Answer:

572.5

Step-by-step explanation:

A=6ah + 3√(3) a²= 6·8·5+3√(3)·8²≈572.55376

a is base length and h is height

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3 years ago

Micheal used addition to find 9x100 and he said the product was 90. What did he do wrong?

Vlada [557]

Answer:

He did 9 times 10 instead of 9 times 100.

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3 years ago

write a linear equation that intersects y=x^2 at two points. Then write a second linear equation that intersects y=x^2 at just o

Liula [17]

We know that $y = x^2$ is a parabola, concave up, with vertex in the origin $(0,0)$

So, we may use three horizontal lines for our purpose: any horizontal line above the x axis will intersect the parabola twice. The x axis itself intersects the parabola once on the vertex, while any horizontal line below the x axis won't intercept the parabola.

Here's the examples:

The horizontal line $y = 4$ intercepts the parabola twice: the system $y = x^2,\ y = 4$ is solved by $x^2=4 \implies x = \pm 2$
The horizontal line $y=0$ intercepts the parabola only once: the system is $y=x^2,\ y=0$ which yields $x^2=0\implies x=0$ which is a repeated solution
The horizontal line $y=-5$ intercepts the parabola only once: the system is $y=x^2,\ y=-5$ which yields $x^2=-5$ which is impossible, because a squared number can't be negative.

5 0

3 years ago