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torisob [31]
3 years ago
14

A construction crew built 1/2 miles of road in 1/6 days. What is the unit rate in miles per day? Write your answer in simplest f

orm.
Mathematics
1 answer:
ANTONII [103]3 years ago
5 0

Answer:

Unit rate miles per day is, 3

Step-by-step explanation:

Unit rate are defined as the rate are expressed as quantity of 1 such that 2 miles per hour or 5 km per hour.

As per the given statement: A construction crew built 1/2 miles of road in 1/6 days

by unit rate definition;

\text{Unit rate per day} =\frac{\text{Number of miles}}{\text{Number of days}}

After substituting the given values we have

⇒ \text{Unit rate per day} = \frac{\frac{1}{2} }{\frac{1}{6} }

or

\text{Unit rate per day} = \frac{1}{2} \times 6 = \frac{6}{2} = 3

Therefore, unit rate miles per day is, 3

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Leo walks his dog 7/8 mile. He walks his dog 3 times a day. How far does Leo walk his dog every day? Show how you can use repeat
alexandr402 [8]
7/8 +7/8 + 7/8 = 21/8 or 2 5/8 miles
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3 years ago
If the test for a disease is accurate 45% of the time, How often will it come back negative if a patient has the disease?
Dafna1 [17]
D. 55% of the time

45% of the time it will say positive

The other 55% of the time will come back negative.
7 0
3 years ago
The cost of a pen is 3 times the cost of a pencil and cost of a
valentinak56 [21]

Answer:

1 Pen cost $2.25

Step-by-step explanation:

Assume:

Cost of Pen = a

Cost of pencil = b

Cost of notebook = c

a = 3b   -------------------(1)

c = 4a   -------------------(2)

2a + 6b + c = $18 -----(3)

From equation (1), b = a ÷ 3 ---------(4)

Substitute equations (2) and (4) in equation (3)

2a + 6 * (a ÷ 3) + 4a = $18

2a + 2a + 4a = $18

8a = $18

a = $2.25

Therefore, 1 Pen cost $2.25

6 0
3 years ago
Suppose a birth defect has a recessive form of inheritance. In a study population, the recessive gene (a) initially has a preval
BabaBlast [244]

Answer:

Step-by-step explanation:

a) Maternal gene = 0.25; Paternal gene = 0.25

Probability having a birth defect = 0.25 X 0.25 = 0.625

b) P(A) = 0.30; P(B) = 0.70

P(A)*P(B) = 0.30 X 0.70 = 0.021

For marriage:

25%: P(A)*P(A)*0.25 = 0.09 X 0.25 = 0.0225

65%: P(B)*P(B)*0.65 = 0.049 X 0.65 = 0.03185

10%: P(A)*0.10 = 0.03 and P(B)*0.10 = 0.07

P(A)*P(B) = 0.03 X 0.07 = 0.0021

Probability of a defect birth in the next generation = 0.0225 + 0.03185 + 0.0021 = 0.05645

c) 1. P(A)*P(A) = 0.09

2. P(B)*P(B) = 0.049

3. P(A)*P(B) = 0.021

4 0
3 years ago
I WILL GIVE YOU BRAINLIEST!!!!!
oksano4ka [1.4K]

Answer:

Brainelist goes to me!

Step-by-step explanation:

-6/3 = -2

4 0
3 years ago
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