Answer:
{x| 43 ≤ x ≤ 47} where x = Sean's speed (in mph)
Step-by-step explanation:
Sean is taking driver's ed. The instructor asked him to stay within 2 miles of the posted speed limits. The current speed limit is 45 mph.
So, the maximum speed which Sean can reach is, (45 + 2) mph
=47 mph
and, the minimum speed which Sean can reach is, (45 - 2) mph
=43 mph
so, {x| 43 ≤ x ≤ 47} where x = Sean's speed (in mph)
Answer:
Step-by-step explanation:
If you drive straight north then turn and drive straight east, you have driven 2 sides of a right triangle. The straight line distance from where you are to where you started from is the hypotenuse of the right triangle. Use Pythagorean's Theorem to solve:
and
and
That means that length of the hypotenuse is 45.
45 miles is the distance.
There is a SINGLE TERM therefore we call it a MONOMIAL.
If there had been TWO TERMS, we would call it a BINOMIAL.
Example: 3x^3 + 7
(Terms are separated by addition/subtraction).
x is the same as x^1.
We suppress the 1 exponent because it isn't meaningful.
We can see that the largest degree (exponent) on our x is 1.
So this is a FIRST DEGREE polynomial.
If we had a larger power of x we would classify it as something else.
Example: -4x^2 is a SECOND DEGREE polynomial.
So put those two pieces of information together.
Our polynomial can be classified as a FIRST DEGREE MONOMIAL.
Hope that helps.
Answer:
Around $790
Step-by-step explanation:
You divide by 31 and multiply by 7
Answer:
answers B and E are true.
Step-by-step explanation:
(5,0) means x=5, y=0
the point of origin is (0,0) with x=0, y=0
therefore, A is wrong. yes, the point is 5 units to the right of the origin, but 0 (no) units up. and not 1.
B is therefore true.
C is therefore wrong.
D is wrong, because the point is to the right of y-axis (the vertical axis) and not on it.
E is true, because we go only to the right of the origin, but neither up or down. so, we stay on the x- axis (horizontal axis).