3 years ago

In the expression, 9x3 + 4x2 + 7x + 6, what is the constant? 6 ооо O4

Mathematics

1 answer:

White raven [17]3 years ago

7 0

Answer:

Step-by-step explanation:

The constant is the number that is on its own, the number that has no variable.

The only number that has no variable is 6 therefore the constant is 6.

Note: the variable is usually expressed as a letter, ex. in 9x the variable is "x"

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3 years ago

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On a bicycle trail, the city is painting arrows like the one shown below: Upper pointing arrow with height of 15 and length of 1

Luden [163]

Answer:

229.5 $cm^{2}$

Step-by-step explanation:

In order to calculate the area of the arrow we need to calculate the area of the body of the arrow, and then the head of the arrow. The body of the arrow is a rectangle meaning that the area (Ar) can be calculated by multiplying the length by the height like so...

Ar = l * h

Ar = 11cm * 12cm

Ar = 132 $cm^{2}$

Now we need to find the area of the head of the arrow, which is a triangle and therefore we can use the formula for the area of a triangle (At) which is height times base divided by 2...

At = $\frac{h * b}{2}$