All categories

2 years ago

The following equations represent the distance (in miles), d, traveled over time (in minutes), t, for three different routes.

Mathematics

1 answer:

AfilCa [17]2 years ago

4 0

Answer:

Route B

Step-by-step explanation:

Route B has the fastest travel speed compared to route A and C.

You might be interested in

2x + x + x + 2y × 3y × y

Vilka [71]

Answer:

$\large\boxed{4x+6y^3}$

Step-by-step explanation:

$2x+x+x+2y\times3y\times y\\\\=(2x+x+x)+(2y\times3y\times y)\\\\=4x+(2\times3)(y\times y\times y)\\\\=4x+6y^3$

5 0

3 years ago

A triangle has side lengths of ,m,3m,and 3m+3. what is the perimeter of the triangle

Galina-37 [17]

Answer:

7m +3

Step-by-step explanation:

To find the perimeter of a triangle, we add up all the sides

m + 3m + 3m+3

Combine like terms

7m +3

5 0

3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%20%7B%7D%5E%7B2%7D%20-%204%20%7D%7B%20%5Csqrt%7Bx%20%7B%7D%5E%7B2%7D%20-%206x%2

Nimfa-mama [501]

First of all, we can observe that

$x^2-6x+9 = (x-3)^2$

So the expression becomes

$\dfrac{x^2-4}{\sqrt{(x-3)^2}} = \dfrac{x^2-4}{|x-3|}$

This means that the expression is defined for every $x\neq 3$

Now, since the denominator is always positive (when it exists), the fraction can only be positive if the denominator is also positive: we must ask

$x^2-4 \geq 0 \iff x\leq -2 \lor x\geq 2$

Since we can't accept 3 as an answer, the actual solution set is

$(-\infty,-2] \cup [2,3) \cup (3,\infty)$

7 0

2 years ago

Initially, the ratio of Ed’s toy cars to Pete’s toy cars was 5:2. After Ed gave 30 toy cars to Pete, they each had an equal numb

Burka [1]

So here is the answer. Initially, Ed's toy cars compared to Pete's toy cars was 5:2. So for every 5 cars that Ed has, Pete has 2. Now that Ed gave 30 cars to Pete. So here it goes. The total number of ratio units is 5+2=7, so each will have an equal number if they both have 3.5 ratio units. That is, if Ed transfers to Pete 1.5 ratio units, their car counts will be equal. Thus 1.5 ratio units = 30 cars, or 1 ratio unit = 20 cars. Therefore, this makes <span> 7*20 cars = 140 cars.
</span>Hope this helps.

6 0

2 years ago

What is the value of cose in the diagram below?

Nuetrik [128]

Answer:

$cos \theta = 0.6$