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larisa [96]
3 years ago
15

What is the value of (3.1)2 ? A) 6.2 B) 9.61 C) 0.961 D) 9.1

Mathematics
1 answer:
Elena L [17]3 years ago
7 0

Answer:

A

Step-by-step explanation:

(3.1)2 is the same thing as 3.1x2. So all you have to do is double 3.1 which is 6.2.

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Find the slope given<br> the ordered pairs:<br> (-3,-2) and (-3,-5)
Mademuasel [1]

Step-by-step explanation:

- 2 -  - 5 \\

\div  - 3 -  - 3

5 0
3 years ago
I need help with this math question. What is the Area of this shape?
zubka84 [21]

Answer:

A=174

Step-by-step explanation:

Step 1: Separate the figure into two separate shapes, a triangle and a square

Step 2: Find the dimensions of the triangle and square.

Square - l=12 w=12

Triangle - h=5, b=12. (The height was found by subtracting the length of the square (12) from the total length (17).

Step 3: Solve by using formulas

A=(5)(12)/2=30

A=12*12=144

Step 4: Add the parts together

144+30=174

A=174

5 0
2 years ago
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Alex
A goes between -1 and -1/2
8 0
3 years ago
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Tell me how you solved thanks
Allushta [10]
A. Similar triangles have equal angles even though they're not the same size that was similar means So then

X^2-5x=4x+36
X^2-5x-4x-36=0
X^2-9x-36=0
(X-12)(x(+3)
X=12. X=3

Angle C and angle F are equal
So 4(12)-5=43
4 0
3 years ago
The angle of elevation from an observer to the bottom edge of the Delaware River drawbridge observation deck located 200 feet fr
aleksklad [387]

The height of the chimney above the floor of the observation deck is 52.4 ft

Two right angle triangle will be formed.

<h3>Right angle triangle:</h3>

Right angle triangle are triangle that has one of its angle as 90 degrees.

Therefore, using trigonometric ratio,

adjacent side = distance of observer from the bottom edge of the Delaware River drawbridge observation deck

Therefore,

tan 40 = opposite / adjacent

Where

x = height of the observer to the top of the observation deck

tan 40 = x / 200

x = 200 tan 40

x = 167.819926235

x = 167.82 ft

tan 30 = opposite / adjacent

y = height of the observer to the bottom of the observation deck

tan 30 = y / 200

y = 200 tan 30

y = 115.470053838

y = 115.47 ft

The height of the chimney above the floor of the observation deck = height of the observer to the top of the observation deck - height of the observer to the bottom of the observation deck

The height of the chimney above the floor of the observation deck = 167.82 - 115.47 = 52.35 ft

learn more on trigonometric ratio here: brainly.com/question/23854119

5 0
2 years ago
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