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tester [92]
2 years ago
7

An expression is shown.

Mathematics
1 answer:
ahrayia [7]2 years ago
3 0

Answer:

10x+2

Step-by-step explanation:

creo que es esa no se si esta bien

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271,403 to the nearest hundred thousand
11Alexandr11 [23.1K]

Answer: Your answer would be 300,000

Step-by-step explanation: Hope this helped

8 0
3 years ago
Point A, located at (-5, 0), is rotated 90°. What are the coordinates of point A?
Sveta_85 [38]

Answer:

0,-5

Step-by-step explanation:

Your answer is 0,-5

4 0
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8(1/2n+3/4)=70 solve for n
nasty-shy [4]

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n = 16

Step-by-step explanation:

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Find the area of the shaded region in square units. Show your reasoning.
motikmotik

Answer:

40 square units

Step-by-step explanation:

First of all, lets say that square has side l, so, the area unit is l^2

the diagonal's square is l\sqrt{2}

CALCULATION OF TRIANGLES'S AREA (there are 4 triangles)

A_{triangles}=4*base*heigh*0.5=2*(l\sqrt{2} )(2l\sqrt{2} )=8l^2

CALCULATION OF MAIN SQUARE AREA

A_{square}=side*side=(4\sqrt{2} l)(4\sqrt{2} l)=32l^2

TOTAL AREA

A_{total}=A_{triangles}+A_{square}=8l^2+32l^2=40l^2

3 0
3 years ago
A certain bay with very high tides displays the following behavior. In one 12-h period the water starts at mean sea level, rises
Firdavs [7]

Answer:

the required equation is; y = 21 sin(πt/6)

Step-by-step explanation:

Given the data in the question;

Water rises above sea level = 21 ft

Water drops below sea level = 21 ft

so

maximum = 21 ft and also

minimum = 21 ft

Amplitude = ( maximum + minimum ) / 2

Amplitude = ( 21 + 21 ) / 2

Amplitude = ( 21 + 21 ) / 2 = 42/2 = 21 ft

Period = 12 hours

and we know that; period = 2π/b

so

12 = 2π/b

12b = 2π

b = 2π / 12

b = π/6

Standard equation for simple harmonic is; y = asin(bt)

we substitute

y = 21 sin(πt/6)

Hence the required equation is; y = 21 sin(πt/6)

7 0
3 years ago
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