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blondinia [14]
4 years ago
11

What is the constant of proportionality (unit rate) for the following equation: t = 3 · x

Mathematics
2 answers:
RoseWind [281]4 years ago
8 0
It's 3.........................................
Luda [366]4 years ago
7 0

Answer:

It is 3

Step-by-step explanation:

You might be interested in
Max worked 13 hours last week at the grocery store and earned $94.25.If he only worked 5 hours this week, how much money did he
Marrrta [24]
ANSWER: $36.25

Explanation: First find the rate. Divide $94.25 by 13 (hours) to get the rate. Now you know that Max earns $7.25 each hour he works. Multiply his hourly rate by 5 (hours) to get how much Max earns in five hours.
6 0
4 years ago
Please help quick lol
maxonik [38]

Answer:

x = 3,-5 is correct.

Step-by-step explanation:

The Zero Product Property:

The Zero Product Property simply tells that if a*b=0, it implies that either a=0 or b=0 (or the both of them must be equal to zero). The product of the factors is zero if and only if the one or more of  factors is zero. This is particularly useful for solving the quadratic equations .

In the given question the quadratic equation is (x-3)(x+5)=0

from the Zero Product Property, it is clear that  x-3 =0 or x =3

                 x+5 =0 or x=-5

Therefor x = 3,-5 Hence option 3 is correct.

4 0
3 years ago
Help me! Read the question carefully
prohojiy [21]

Answer:

21mm

Step-by-step explanation:

The formula for solving the area of a rhombus is : \frac{1}{2}xy, where x and y are two intersecting diagonals.

In this case, we are given both values, thankfully. 6 and 7 are to be replaced with x & y. Now, the rest you have to do is simple math.

(6 * 7) / 2 = 21

The area of the rhombus is 21mm.

5 0
3 years ago
The vertex of this parabola is at (-5,-2). when the x-value is -4, the y-value is 2. what is the coefficient of the squared expr
Westkost [7]
Vertex:  (-5,-2); parabola opens up; 

General form of the equation for a vertical parabola opening up is:

y-k = a(x-h)^2; knowing that the vertex is at (-5,-2), we can write:

y+2 = a(x+5)^2.  We need to find the value of the coefficient a.

From the graph we see that y is 10 when x is approx. -1 3/4 (or -7/4).

subst. these values into y+2 = a(x+5)^2, we get:

10 + 2 = a(-7/4 + 5)^2, or 12 = a(13/4)^2, or   1 = a(169/16).

Solving for a:  a = 16/169 = 0.09, or approx 16/160, or 1/10.  Unfortunately, this is not close to any of the four answer choices.

I thought it best to try again, and fortunately my second try was correct:

10+2 = a(13/4)^2, or  (169/16)a.  Thus, 12 = a(169/16)

                                   12
Solving for a:  a = ------------- = 1.14.  The answer choice closest to this is 1.
                                169/16

Answer A is correct.



6 0
4 years ago
Read 2 more answers
D={x | x is an integer and -3 < x <1
Anarel [89]
-2, -1, 0
These would be the options
4 0
4 years ago
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