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n200080 [17]
3 years ago
11

All of the following are false EXCEPT:

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
5 0

O 5(-8) = -40 this is the correct one and the question ask except

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Shawn hike 12 miles and 4 hours at the same rate what is the total number of miles he could hike in 9 hours
irga5000 [103]

Answer:

27 miles

Step-by-step explanation:

Find the rate or speed that Shawn hikes at. Find this reduced to lowest terms.

speed = distance / time

speed = 12 miles / 4h

speed = 3miles / h

Every hour, Shawn hikes 3 miles.

Multiply speed by time to find distance.

3mph X 9h = 27 miles

Therefore Shawn could hikes 27 miles in 9 hours.

6 0
3 years ago
Humans have a normal body temperature of 98.6 F A temperature, x, that differs from normal by at least 2°F is considered unhealt
Romashka-Z-Leto [24]

Answer: 98.6 - x ≥ 2 or x - 98.6 ≥ 2  

Step-by-step explanation:

Since, the normal temperature = 98.6° F

Also, the temperature that differs from normal by at least 2°F is considered unhealthy.

If the temperature is x degree F,

Then, we have two conditions,

Condition 1 : x > 98.6,

The difference between 98.6 and x = x - 98.6

Then the inequality be,

x - 98.6 ≥ 2

Condition 2 : x < 98.6

The difference between 98.6 and x = 98.6 - x

Then the inequality be,

98.6 - x ≥ 2

3 0
4 years ago
0: Jimmy is installing a gravel path along the diagonal of a rectangular garden. The garden measures 24 feet wide by 32 feet lon
murzikaleks [220]

Answer: it will cost $280

Step-by-step explanation:

The diagonal of the rectangular garden divides it into two equal right angle triangles. The diagonal represents the hypotenuse of each right angle triangle. The length and width of the rectangle represents the adjacent and opposite sides of the right angle triangle. To determine the length of the diagonal, d, we would apply Pythagoras theorem which is expressed as

Hypotenuse² = opposite side² + adjacent side²

Therefore

d² = 24² + 32²

d² = 576 + 1024 = 1600

d = √1600

d = 40 feet

If the path is 2 feet wide, then the area of the path is

Area = 40 × 2 = 80 ft²

If gravel costs $3.50 a square foot, then the cost to install the gravel path is

3.5 × 80 = $280

8 0
4 years ago
An equation is given. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal places w
vredina [299]

Answer:

(a) θ = π + 4πn

(b) θ = π

Step-by-step explanation:

(a) sin(θ/2) − 1 = 0

sin(θ/2) = 1

θ/2 = π/2 + 2πn

θ = π + 4πn

(b) Try different values of n.

n = -1, θ = -3π

n = 0, θ = π

n = 1, θ = 5π

If 0 < θ < 2π, then θ = π.

3 0
3 years ago
Write 6.8 as a mixed number
yulyashka [42]
6 8/10
simplify (divide by 2 )
6 4/5
5 0
4 years ago
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