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8090 [49]
4 years ago
5

A runner is 7/8mile from the finish line. If she can travel 3/8mile per minute, how long will it take her to finish the race?

Mathematics
1 answer:
weeeeeb [17]4 years ago
3 0
Hi there! To find out how long it it will take her to finish the race, let’s divide the miles from the finish line by the distance traveled per minute. To divide fractions, keep the first fraction, change division into multiplication, and flip the second fraction. 7/8 * 8/3 is 56/24 or 2 1/3 in mixed number form. It will take her 2 1/3 minutes to finish the race.
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Ivan
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The only response that's even in the same galaxy as this weird question is zero. 

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5 0
3 years ago
How many solutions does the following system have? <br> y = 2x - 12<br> y = 3x + 12
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The two slopes of the two equations are 2 and 3 respectively. They are the values just to the left of the x. Since the slopes are different, this means the lines are angled so that they are not parallel.

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4 years ago
Please help me with this math problem
Sergio [31]

Answer:

The table is a quadratic function

Step-by-step explanation:

Given

The attached table

Required

Tell if it is a quadratic function

The difference in the x values are uniform (i.e. difference of 1), so the following method can be applied.

(1) Subtract adjacent y values.

d_1=2 - 16 = -14

d_2=-2 - 2 = -4

d_3 = 4--2 = 6

d_4 = 20 - 4 = 16

(2) Subtract adjacent differences in (1) above

d_5 = d_2 - d_1 = -4 --14 = 10

d_6 = d_3 - d_2 = 6 --4 = 10

d_7 = d_4 - d_3 = 16 -6 = 10

Notice the calculated differences in (2) are the same.

<em>Hence, the table is a quadratic function</em>

3 0
3 years ago
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Norma-Jean [14]

Answer:

The next number in the sequence is 36.

Step-by-step explanation:

Consider the provided sequence.

4, 9, 16, 25

The number 4 can be written as 2².

The number 9 can be written as 3².

The number 16 can be written as 4².

The number 25 can be written as 5².

The general term of the sequence is: a_n=(n+1)^2

Thus, the next term will be:

a_5=(5+1)^2

a_5=(6)^2

a_5=36

Therefore, the next number in the sequence is 36.

6 0
3 years ago
harriet is 2 years less than a thirnd of her brothers ace. Harriet is 3 years ols. How old is her brother?​ please help right no
enyata [817]

Answer:

her brother is 15 years old

Step-by-step explanation:

let 'b' = her brother's age

Harriet is 3 years old but Harriet is also '1/3b - 2'

3 = 1/3b - 2

5 = 1/3b

b = 5(3) or 15

5 0
3 years ago
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