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Vlad [161]
2 years ago
9

A walking trail is 1,580.76 feet long. A lake is located 70.62 feet away from the end of the trail. What is the total distance f

rom the start of the trail to the lake? 1,510.14 feet 1,651.38 feet 2,286.96 feet 8,642.76 feet
Mathematics
1 answer:
Aleks04 [339]2 years ago
5 0

Answer:1651.38\ ft

Step-by-step explanation:

Given

A walking trail is 1580.76\ ft long and a lake is located 70.62\ ft away  from end  of the trail

The distance from the start of the trail to the lake is the sum of the length of the trail and lake

\Rightarrow 1580.76+70.62\\\Rightarrow 1651.38\ ft

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artcher [175]

Answer:

The full question is

<em>What are the differences among an experiment, a study, and a survey? </em>

<em> </em>

<em>1. In an observational study, randomization of subjects ______ </em>

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<em>B. does not occur </em>

We understand randomization as a random process of assigning experimental subjects to treatment groups. Through this process, we have more control about variables which are not related to the experiment.

In an observational study, the researcher doesn't change anything, he or she studies the events as they are, without using any randomization process.

Therefore, the right answer here is B.<em> </em>

<em />

<em>2. A survey _______ </em>

<em>A. poses no interference on subjects </em>

<em>B. makes inferences about a population </em>

<em> </em>A survey poses no interference on subjects, actually if it does, then that survey is not reliable. An important charactersitic of a survey is that it must be objective, that way it will be reliable enough to use it in the research.

Therefore, the right answer is A.

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8 0
2 years ago
A metal frame is constructed in the form of an isosceles trapezoid. Each base angle measures 80°, the length of the base is 7 fe
jonny [76]
Height of a trapezoid:
h = 5 · sin 80° = 5 · 0.985 = 4.924
x = 5 · cos 80° = 5 · 0.17365 = 0.868
7 - x = 7 - 0.868 = 6.132
By the Pythagorean theorem:
d² = 6.132² + 4.924²
d² = 37.6 + 24.25
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3 0
2 years ago
Jeanne makes hair bows to sell at the craft fair. Each bow requires 1.5 yards of ribbon. If Jeanne wants to make 84 bows, how ma
mina [271]

Answer:

Jeanne must buy <u>378 feet</u> of ribbons to make 84 bows.

Step-by-step explanation:

Given:

Each bow required = 1.5 yards of ribbon

Number of bow to make = 84

We need to find the length of ribbon in feet to make 84 bows.

Solution:

First we will find length of ribbons in yards required to make 84 bows .

Now we know that;

1 bow =1.5 yards of ribbons

84 bows = length of ribbons in yards

By using Unitary method we get;

length of ribbons in yards  = 1.5\times 84 = 126\ yards

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length of ribbons in feet to make 84 bows = 126 \times 3 = 378\ ft

Hence, Jeanne must buy <u>378 feet</u> of ribbons to make 84 bows.

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2 years ago
The following diagram shows parallel lines cut be a transversal. What is the measure of Angle 2?
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2x + 100 = 5x + 55
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2 years ago
Forty more than twice malia's age is 64
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12 x 2+40=64

Malia is 12 years old.


8 0
2 years ago
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