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kotykmax [81]
3 years ago
15

A car is traveling at a rate of

Mathematics
1 answer:
Aliun [14]3 years ago
4 0
The car is traveling 0.5 miles per minute
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What is the standard deviation of the following data set rounded to the nearest tenth? 60, 40, 35, 45, 39
larisa [96]

Answer:

i think it would be 8.7

Step-by-step explanation:

3 0
3 years ago
Anybody know the answer?
marysya [2.9K]
I'd start by writing an equation for each of the right triangles. (Pythagorean theorem)

y² + 9² = z²
x² + z² = (4+9)²
4² + y² = x²

we want to find z so combine the equations by substituting the other variables x,y out.

substitute y² for (x² - 4²) in 1st equation.

(x² - 4²) + 9² = z²

now by rearranging the 2nd equation we can substitute x² for (13² - z²)

(13² - z²) - 4² + 9² = z²
169 - z² - 16 + 81 = z²
234 - z² = z²
234 = 2z²
234/2 = z²
117 = z²
√(117) = z
√(9*13) = z
3√(13) = z

13 goes in the box




































6 0
3 years ago
NEED THE EQUATION
katrin [286]

Answer:

d

Step-by-step explanation:

7 0
3 years ago
The expression 2(l + w) is used to calculate the perimeter of a rectangle, where l is length and w is width. If the length is 2/
xeze [42]

Answer:

P = 10/7 units

Step-by-step explanation:

Answer:

w ≥ 6

l ≥ 11

Step-by-step explanation:

The perimeter of a rectangle is equal to P = 2(l+w) where l=length and w=width. Here the length is 2/7. This means the width is 3/7. Substitute l=2/7 and w=3/7 into the perimeter equation. Then solve for P.

P = 2(\frac{2}{7} +\frac{3}{7} )\\\\P = 2(\frac{5}{7})\\\\P = \frac{10}{7}

6 0
3 years ago
Read 2 more answers
In the equation m-1 1/3=4
romanna [79]

m = 5 \frac{1}{3}

note that 1 \frac{1}{3} = \frac{4}{3}

isolate m by adding \frac{4}{3} to both sides

m = 4 + \frac{4}{3} = \frac{16}{3} = 5 \frac{1}{3}


3 0
3 years ago
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