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Neko [114]
3 years ago
10

Changes in the Depth of a River

Mathematics
2 answers:
devlian [24]3 years ago
6 0

It e) it rose 5 inches hope it correct


sdas [7]3 years ago
6 0

Answer:

the answer is A, this was the correct answer on usatestprep

Step-by-step explanation:


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HI umm CAN YOU PLEASE ANSWER ASAP!!!!
Marianna [84]

Answer:

2

Step-by-step explanation:

-6 divided by a positive number would make it a positive number welcome

8 0
3 years ago
A ship leaves the port of Miami with a bearing of S80°E and a speed of 15 knots. After 1 hour, the ship turns 90° toward the sou
CaHeK987 [17]

Answer:

The bearing is N 55.62° W

Step-by-step explanation:

ship leaves the port of Miami with a bearing of S80°E and a speed of 15 knots.

It then turns 90° towards the south after one hour.

Still maintain the same speed and direction for two hours.

The bearing is just the angle difference from the ship current location to where it started.

Let the speed be km/h

Distance covered in the first round

= 15*1

= 15km

Distance covered in the second round

=15*2

= 30 km

Angle at C = (90-80)+90

Angle at C = 10+90= 100

Let the distance between the port and the ship be c

C²= a² + b² -2abcos

C²= 15²+30²-2(15)(30)cos 100

C²= 225+900+156.28

C²= 1281.28

C= 35.8 km

Using sine formula

30/sin x= 35.8/sin 100

30/35.8 * sin 100 = sinx

0.838*0.9848= sin x

0.8253= sin x

Sin ^-1 0.8253 = x

55.62° = x

The bearing is N 55.62° W

8 0
3 years ago
“Determine whether 3x+12+x is equivalent to 4(3+x). Use properties of operations to justify your answer” PLEASE HELP
Firdavs [7]

Answer:

It’s equivalent.

Step-by-step explanation:

Collect like terms: 4x+12 = 4(3+x)

Expand brackets: 4x+12 = 12+4x

Rearrange: 4x+12 = 4x+12

6 0
3 years ago
The following statement is true because of what property? The measure of an angle is equal to itself
Sphinxa [80]
Its a full angle, 360 degrees.
6 0
3 years ago
What is an equation of the line that passes through the points (8, 2) and<br> (7, 1)?
Licemer1 [7]

Answer:

y = x - 6

Step-by-step explanation:

the slope-intercept form for any line is y = mx + b, where m is the slope and b is the y-intercept.

now, let's calculate the slope:

1-2/7-8= -1/-1 = 1

here is the equation we currently have solved: y = x + b

now we have to solve for the y-intercept. to do this, we substitute one of the given points into the equation, and solve for b.

let's use (8, 2). in this ordered pair, the 8 is the x, and the 2 is the y.

2= 8 +b

2 -8=b

b=-6

and now we have our final equation!

y = x - 6

hope this helped! please let me know if you are confused about anything i did

4 0
2 years ago
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