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kotegsom [21]
3 years ago
8

Bill drove 315 miles in 7 hours, Alisha drove 235 miles in 5 hours, and Joanne drove 414 miles in 9 hours. Which person drove at

an average speed of 47 miles per hour?
Mathematics
2 answers:
Reika [66]3 years ago
7 0
Lets check
47 times 7 is not equal to 315
47 times 5 =235
47 times 9 is not equal to 235
alishas speed is 47 mph
ANEK [815]3 years ago
4 0

Alisha  is the person who drove at a average speed of 47 miles per hour

If you divide the miles by the hours on each amount of miles. you find that 235 divided by 5  is 47 therefore the answer is alisha

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Mumz [18]

Step-by-step explanation:

Part A: Linear Equation.

  • One of the points is (0,15). This means 0,15 is the y intercept so b=15.

We can find the slope

\frac{5 - 15}{1  - 0 }  =  \frac{ - 10}{1}  =  - 10

So our equation is

y =  - 10x + 15

Part B: Exponential Equation

We know that

15 = a \times b {}^{0}

B to the zero power is 1 so

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This means a =15. Now let find b.

5 = 15 \times b {}^{1}

\frac{1}{3}  = b

So the equation is

y = 15( \frac{1}{3} ) {}^{x}

6 0
2 years ago
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Sauron [17]

Answer: $11.06

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6 0
2 years ago
Find the value of x in the isosceles triangle shown below
egoroff_w [7]

Answer:

x = 10

Step-by-step explanation:

if there 2 same triangle then they are right triangle

By using Pythagorean theorem for 1 of right triangle, we have

\sqrt{74} ^{2} = 7^{2} + (\frac{x}{2}) ^{2}

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6 0
2 years ago
Read 2 more answers
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faust18 [17]

Answer:

3/4 or 9/12

Step-by-step explanation:

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3 0
3 years ago
2. solve 4w − 7k = 28 for k. show your work
NISA [10]
4w-7k=28
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k=4/7w-4

:)
5 0
3 years ago
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