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astra-53 [7]
3 years ago
5

I need help pls!

Mathematics
1 answer:
vredina [299]3 years ago
4 0

Answer:

Step-by-step explanation:

7 feet   1 foot is 12 inches

7*12= 84 inches.

None of the choices are correct.

90 inches is 7.5 feet

62.5 inches is 5.2 feet

75 inches is 6.25 feet

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a falling object travels a distance given by the formula d=5t + 16t^2 ft, where t is measured in seconds. how long will it take
Butoxors [25]

Its given that

d=5t+16t^{2}

We need to find t when d = 74

Therefore, 74=5t+16t^{2} or

16t^{2}+5t-74 = 0

16t^{2}+37t-32t-74 = 0

t(16t + 37) - 2(16t + 37) = 0

(t - 2)(16t + 37) = 0

t - 2 = 0 or 16t + 37 = 0

t couldn't be negative.

Therefore, t = 2

Hence, it will take 2 seconds for the object to travel 74 feet.










8 0
3 years ago
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Elena’s backyard is in the shape of a rectangle. She created a triangular-shaped flower bed (shown as the shaded region) to plan
mixer [17]

Answer:

Area of background without flower bed = 575 feet²

Step-by-step explanation:

Given:

Length of rectangle ground = 35 feet

Width of rectangle ground = 20 feet

Height of triangle bed = 10 feet

Base of triangle bed = 25 feet

Find:

Area of background without flower bed

Computation;

Area of background without flower bed = Area of rectangle - Area of triangle

Area of background without flower bed = [l x b] - (1/2)(b)(h)

Area of background without flower bed = [35 x 20] - (1/2)(25)(10)

Area of background without flower bed = 700 - 125

Area of background without flower bed = 575 feet²

6 0
3 years ago
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jacinta says that the product of a positive and negative rational number is always irrational. explain her error.
____ [38]
It is incorrect because 20 + (-2) = 18, which is rational.
4 0
3 years ago
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Please help me thank you
laila [671]
Parallel lines have the same slope. The equation of the parallel line is therefore:

y = x + b

Plug in the values you are given to find b:

2 = -3 + b

b = 5
6 0
3 years ago
Can somebody help me this math problem please correctly
Vinil7 [7]

Answer: the answer is 1.8 x 10^{-3} because their is 3 (0) on the left side and left Side is negative

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