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Leviafan [203]
2 years ago
6

The Northwest Football team drove 25 mi of their 3-hour trip to San Angelo for their game. They used 1.7 gal of gasoline. What a

re the values (with units) of the six possible rates that can be formed from the given information in their simplest forms?
mi/hr = _____ mph
Mathematics
2 answers:
gayaneshka [121]2 years ago
8 0

Some of the rates that can be formed are; Speed = 8.333 mph

Number of miles covered per gallon of gasoline used = 14.706 mpg

The number of gallons used per hour = 0.567 gallons per hour

<h3>How to use units conversion?</h3>

We are told that the Northwest Football team drove 25 miles.

Now, the time that this team took was 3 hours.

Thus, one rate that can be formed is the speed in mi/hr. Thus;

Speed = 25/3 = 8.333 mph

Another rate that can be found is the number of miles covered per gallon of gasoline used. This gives us;

25/1.7 = 14.706 mpg

Another rate that can be gotten is the number of gallons used per hour;

= 1.7/3 = 0.567 gallons per hour

Read more about Units Conversion at; brainly.com/question/141163

#SPJ1

tia_tia [17]2 years ago
5 0

Answer:

Step-by-step explanation:

8.333 just took the test

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Add (3d+2)+(4d+9) ixl
Elodia [21]

Answer:

7d+11

Step-by-step explanation:

Pretty much just addition.

3d+4d+2+9

(3d+2)+(4d+9) = 7d+11.

7 0
2 years ago
Read 2 more answers
Todd is 81 years younger than Rosa. 3 years ago, Rosa’s age was 4 times Todd’s age. How old is Todd now?
Delvig [45]
Let t represent Todd's age now.
.. 4(t -3) -(t -3) = 81 . . . . . . 3 years ago, their differnce in ages was 81.
.. 3t -9 = 81
.. t = (81 +9)/3 = 30

Todd is 30 now.

_____
You can also work this by considering "ratio units." 3 years ago, the ratio of their ages was 4:1, a difference of 3. That difference corresponds to 81 years, so each "ratio unit" represents 81/3 = 27 years. Todd's age then was 1 ratio unit, 27 years. Now, Todd's age is 30.
8 0
3 years ago
If f(x)=2x^3-6x^2-16x-20f(x)=2x *3 −6x *2−16x−20 and f(5)=0, then find all of the zeros of f(x)f(x) algebraically.
mihalych1998 [28]

The zeros of the cubic function f(x) = 2x³ - 6x² - 16x - 20 are given as follows:

x = 5, x = -1 + i, x = -1 - i.

<h3>How to obtain the solutions to the equation?</h3>

The equation is defined by the rule presented as follows:

f(x) = 2x³ - 6x² - 16x - 20.

One solution for the equation is given as follows:

x = 5.

Because f(5) = 0.

Then (x - 5) is a linear factor of the function f(x), which can be written as follows:

2x³ - 6x² - 16x - 20 = (ax² + bx + c)(x - 5).

This is because the product of a linear function and a quadratic function results in a cubic function.

Now we expand the right side to begin finding the coefficients of the quadratic function that we are going to solve to find the remaining zeros:

2x³ - 6x² - 16x - 20 =  = ax³ + (b - 5a)x² + (c - 5b)x - 5c.

Then these coefficients are obtained comparing the left and the right side of the equality as follows:

  • a = 2.
  • -5c = -20 -> c = 4.
  • b = -6 + 5a = 4.

Hence the equation is:

2x² + 4x + 4.

Using a quadratic equation calculator, the remaining zeros are given as follows:

  • x = -1 + i.
  • x = -1 - i.

More can be learned about the solutions of an equation at brainly.com/question/25896797

#SPJ1

8 0
11 months ago
What is Mary's running speed in<br> miles per hour?
AysviL [449]

Answer:

4 to 6 miles an hour would be the answer

4 0
3 years ago
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Tems11 [23]
2.25 days i would assume if they each wat once a day. However there isn’t enough info because we dont know how often they’re eating.
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