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Lunna [17]
3 years ago
14

PLEASE HELP 100 POINTS!!! The function f(x)=12sin(x−π4) is used to describe a water wave. The value x is the time in seconds, an

d f(x) is the position of the wave in feet above or below the normal water level.
Mathematics
1 answer:
Otrada [13]3 years ago
6 0

Answer:

okay, y=(1)/(2)*\sin (x-(\pi )/(4))

Step-by-step explanation:

dc,.lasbkjdflbfjskfnb

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The ratio of seventh graders to sixth graders on a chess team is 5 to 3. What is the ratio of seventh graders to total chess pla
ohaa [14]

Answer:

5:8

Step-by-step explanation:

We don't know how much is the total, so 5:5+3

Seventh graders to total is 5:8

5 0
2 years ago
Write an equation. Let x be the unknown number.
Viktor [21]

4x - 14= -3

hope this helps! (:

4 0
3 years ago
Read 2 more answers
Find the total area of the figure below.
Maksim231197 [3]

176 square yards

Step-by-step explanation:

The picture of the question in the attached figure N 1

we know that

The area of the walkway around the rectangular pool, is equal to the area of two trapezoids (#1 and #2), plus the area of two smaller rectangles (#3 and #4)

see the attached figure N 2 to better understand the problem

step 1

Find the area of the two trapezoids (#1 and #2)

simplify

we have

substitute

step 2

Find the area of the two smaller rectangles (#3 and #4)

we have

substitute

step 3

Find the area of the walkway around the rectangular pool

3 0
3 years ago
Evaluate the expression for the given values. 8x+2yz , where x=12 , y = 4, and z = 2 Enter your answer in the box.
lara [203]

So 12x 8+96 and you do 12 time 8 because x=12 and then 2x2 because y+4 and times by 2 because there is a 2 in front and that equals 8 and then 8x2 because z is 2 and add both sides =112


answer

112

6 0
3 years ago
Professor Walter precisa pintar uma quadra, que tem o formato retangular, cujo comprimento é de 45 m por 38 m. Para isso ele vai
ololo11 [35]

Answer:

24 buckets

Step-by-step explanation:

Given that :

Dimension of rectangular block = 45 m by 38 m

A bucket of paint will cover 72m² of floor

Total area of floor : Length * Width

Total Area = (45m * 38m) = 1710 m²

Buckets of paint required :

Total area / Area per bucket

= 1710m² / 72m²

= 23.75 buckets

= 24 buckets

3 0
3 years ago
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