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Step2247 [10]
3 years ago
15

Franklin walked 1/2 mile in 8 1/2 minutes. What is he unit rate in miles per minute

Mathematics
1 answer:
Kryger [21]3 years ago
3 0
There are 2 half-miles in a mile. Thus, doubling 8.5 minutes will give you the answer. 2(8.5)=17 minutes per mile or .17 miles per minute. 
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Help me please due in 20 minutes
sashaice [31]

Answer:

D

Step-by-step explanation:

That is where the line meets.

6 0
3 years ago
If the units for x are years, and x = 5 represents the year 2015, what is the y-value for 2010?
Darya [45]

<u>Given</u>:

The given graph passes through the points (-3,4) and (3,2)

The x - axis represents the years. The value x = 5, year 2015.

We need to determine the y - value for 2010.

<u>Slope</u>:

The slope of the line can be determined using the formula,

m=\frac{y_2-y_1}{x_2-x_1}

Substituting the points (-3,2) and (3,2), we get;

m=\frac{2-4}{3+3}

m=\frac{-1}{3}

Thus, the slope of the line is m=\frac{-1}{3}

<u>y - intercept:</u>

The y - intercept in the graph is the point in the line that crosses the y - axis.

Thus, from the graph, it is obvious that the y - intercept is b = 3.

<u>Equation of the line:</u>

The equation of the line can be determined using the formula,

y=mx+b

Substituting the values, we have;

y=-\frac{1}{3}x+3

Thus, the equation of the line is y=-\frac{1}{3}x+3

<u>The y - value for 2010:</u>

Since, it is given that x = 5 represents 2015 and 2010 is 5 years before 2010.

Hence, the value of x for 2010 is given by

x=5-5=0

Thus, x = 0 represents the year 2010.

To determine the y - value, let us substitute x = 0 in the equation y=-\frac{1}{3}x+3, we have;

y=-\frac{1}{3}(0)+3

y=3

Thus, for 2010 the value of y is 3.

5 0
2 years ago
Ok i have a few questions please give examples and descriptions as well
Arte-miy333 [17]

Answer:

1) Multiplying powers with the same base would be product rule. It where you just add the exponents. Dividing powers with the same base would be the quotient rule. Its where you subtract the exponents.

2)Where you multiply the two exponents together

3)The negative law is where for example, if it were in the numerator, then it would be placed at the denominator with a positive exponent whereas if it were in the denominator it would be on the numerator with the positive exponent. The zero law just states the anything to the power to zero is one.

Step-by-step explanation:

1) 3^3 x 3^4 = 3 ^3+4 = 3^7

3^9 ÷3² = 3^9-2 = 3^7

2) (3^2)^2 = 3^2×2 =3^4

3) 1/3^-5 = 3^5                 \

3^-7 =1/3^7

2^0 = 1

8 0
2 years ago
The area of a rectangular city park is 25/54 square miles. The length of the park is 5/9 miles. What is the width of the park?
alexdok [17]
Hi

We know that Area= length * width right?

So this is what we do.

Total area/length

25/54 / 5/9

You get the width to be 5/6

CHECK:
5/6*5/9=25/54

Hope this helps :)


4 0
2 years ago
Complete el cuadro con un numero positivo o negativo para cada caso
eimsori [14]

Adonde y Cual es el cuadro?

8 0
2 years ago
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