Samantha is training for a race. The distances of her training runs form an arithmetic sequence. She runs 1 mi the first day and 2 mi the seventh day.a. What is the explicit definition for this sequence?
b. How far does she run on day 19?
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Answers
9514 1404 393
Answer:
31.41 ft²
Step-by-step explanation:
Heron's formula is useful when you have the three side lengths.
A = √(s(s -a)(s -b)(s -c)) . . . . sides are a, b, c and s = (a+b+c)/2
Using the given side lengths, we have ...
s = (8 +8.4 +13.5)/2 = 29.9/2 = 14.95
A = √(14.95(14.95 -8)(14.95 -8.4)(14.95 -13.5)) = √(14.95×6.95×6.55×1.45)
A = √986.81399375 ≈ 31.41 . . . . square feet
Answers
Answer:
there is no such number
Step-by-step explanation:
our "number" will be represented by variable x
3x = 3x-24
isolating x
0x = -24
0 = -24
since this statement is false for all x, there is no such number x
Final answer:
The given condition does not have a solution.
Explanation:
In this question, we are asked to find a number that satisfies the given condition. Let's assume the number is 'x'. According to the given information, the product of 3 and the number 'x' is equal to 24 less than 3 times the number 'x'. We can write this as the equation 3x = 3x - 24. By subtracting 3x from both sides, we get 0 = -24. This means that there is no number that satisfies the given condition.
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Answers
0+2-1-3+2
calculate the sum or difference
0+0
remove 0
solution: 0
(8 × 10) + (8 × 7)
(8 + 10) × (8 + 7)
(8 × 10) + 7
10 + (8 × 7)
Answers
(8 x 10) + (8 x 7)
Why?
Because when using the distributive property, you distribute the number outside of the parentheses to the numbers inside the parentheses, and in this case, we are multiplying so you will multiply 8 by both 10, and 7.
Hope this helps!
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Answers
To find the value of w in terms of x and y, we need to substitute the given values of x and y into the equation for w. First, we are given the equation .
Let's simplify this equation before substituting it into the equation for w. Expanding the equation, we have: Now we can substitute the value of x into the equation for w. w
Substituting the value of x from the earlier equation: w
At this point, we can further simplify the equation by dividing both the numerator and denominator by 3: wTherefore, the value of w in terms of x and y is w
n summary: Starting with x
we substituted the value of x into the equation for w and simplified to obtain w
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Answers
Answer:
6.8
Step-by-step explanation:
27 / 4 = 6.75, which rounded to the nearest tenth, is 6.8.