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svetlana [45]
2 years ago
5

Edward drove 275 miles in 212 hours and 357.5 miles in 314 hours. If he drove at a constant rate, how much distance did he trave

l every hour? Enter your answer in the box below. miles
Mathematics
1 answer:
bezimeni [28]2 years ago
7 0

Answer: 1.2 Miles

Step-by-step explanation:

Add total miles together: 275 + 357.5 = 632.5 miles total

Add total hours together: 212 + 314 = 526 hours total

Divide total miles driven by total time:

632.5 ÷ 526 = 1.20247147843 miles an hour

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According to the fundamental theorem of algebra, how many zeros does the function f(x)=4x^3-x^2-2x+1 have?
Ksivusya [100]
Since the maximum exponent of x is 3, there should be three roots.
Unless you have a root squared and multiplyed by a different root, you will only have two roots since two are the same.
Also, if all three roots are the same, you only have one root.
4 0
3 years ago
Simplify (x+5)(x+5)(x+5)​
Deffense [45]
3x + 15 because u add all the x and then all real numbers
5 0
2 years ago
Read 2 more answers
The ratio of the radii of two circles is 2:3. The diameter of the smaller circle is 15 mm. What is the length of the diameter of
mixer [17]
The answer is 11.25 mm.

A diameter of a circle is twice of its radius: d = 2r    ⇒ r = d/2

small circle                                       large circle
radius: r1                                           radius: r2 = ?
diameter: d1 = 15 mm
⇒ r1 = d1/2 = 15/2 mm

Since t<span>he ratio of the radii of two circles is 2:3, we have:
r1 : r2 = 2 : 3
which can also be expressed as:
</span>\frac{r1}{r2}= \frac{2}{3}
<span>
We know that r1 is 7.5, so let's implement it:
</span>\frac{7.5}{r2} = \frac{2}{3}

Let's multiply both sides of the by 3r2:
3r2* \frac{7.5}{r2} =3r2* \frac{2}{3}
⇒ 3 * 7.5 = 2*r2
     22.5 = 2*r2
⇒ r2= \frac{22.5}{2} =11.25 mm

5 0
3 years ago
Read 2 more answers
Which of the following describes the correct process for solving the equation 2x + 6 =22 and arrives at the correct solution
olga nikolaevna [1]

Answer:

Step-by-step explanation:

Starting with 2x+6=22

You subtract 6 from each side of the equation:

2x=16

You want to isolate the "x" so you divide each side by 2.

x = 8

check your answer: 2x + 6 = 22

2(8) + 6 = 22

16 + 6 = 22

3 0
3 years ago
Enoch is two times as old as MARTIN.three years ago,the difference between their ages was fifteen years.find their present ages
olga2289 [7]

9514 1404 393

Answer:

  • Enoch is 30
  • Martin is 15

Step-by-step explanation:

The difference in ages remains the same over time. Enoch, at twice Martin's age, is still 15 years older. That means Martin is 15 and Enoch is 30.

5 0
3 years ago
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