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Damm [24]
3 years ago
12

Bobby is dividing 50 feet below sea level at the beach. His sister is at the swimming pool deck, which is 15 feet above sea leve

l What is the difference , in feet between the pool deck and Bobby’s position?
Mathematics
1 answer:
Anettt [7]3 years ago
4 0

Answer:

35

Step-by-step explanation:

Bobby is at negative 50 and his sister is above 15 feet (positive) so it is 35

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Choose Yes or No to tell if each statement is true.
aivan3 [116]

Answer:

false,true,false,true

Step-by-step explanation:

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The edges of the diameter of a circle are at (-1,2) and (3,-1). Write the equation of the circle in general form.
Y_Kistochka [10]

Answer:

(x-1)²+ (y-0.5)²=6.25

Step-by-step explanation:

<u>The standard form of equation of a circle is;</u>

(x-a)²+(y-b)²=r² where (a,b) are the center of the circle and r is the radius

<u>Finding the mid-point of the given points</u>

(-1,2) and (3,-1)⇒midpoint will be 1/2(x₁+x₂) , 1/2(y₁+y₂)

midpoint= {1/2(-1+3), 1/2(2+-1)}

midpoint=(1,0.5)

<u>Finding the radius r; the distance from the center to either of the given two points</u>

Apply the distance formula d=√ (x₂-x₁)² +(y₂-y₁)²

Taking (x₁,y₁) as (1,0.5) and (x₂,y₂) as (-1,2) then

d=√ (-1-1)² +(2-0.5)²

d= √ (-2)²+(1.5)²

d=√4+2.25⇒√6.25⇒2.5

r=2.5

<u>Equation of the circle</u>

(x-1)² + (y-0.5)²=2.5²

(x-1)²+ (y-0.5)²=6.25

3 0
3 years ago
Given the function f(x)=|x+5|,find each of the following<br> F(10),f(-5),f(0)
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Answer:

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Step-by-step explanation:

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2 years ago
Mia wants to purchase a pair of jeans. The first time she saw the jeans, they were priced at $36. When she goes back to make the
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Answer:

D

Step-by-step explanation:

8 0
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The Broad Street subway line express train stops at city hall every 9 minutes. The local train stops at the station every 12 min
Dmitry_Shevchenko [17]

Both the train will meet after 36 minutes.

<h3>Concept:</h3>
  • To find when both the train will meet again at the same time, we need to find the LCM of the frequency.

<h3>How to solve the given question?</h3>
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Thus, both the train will meet after 36 minutes.

Learn more about LCM here:

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