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devlian [24]
2 years ago
6

Help me please. These questions aren’t anything like the test review

Mathematics
1 answer:
expeople1 [14]2 years ago
7 0
Sorry but I’m not that good with math I’m just trying to get my own answers but I pray that you get someone smart to help you answer it
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PLEASSEWEEEEEEEEEEEEEEEEEEEEEEEE
enyata [817]

Answer:

46 square inches

Step-by-step explanation:

Surface Area = 2×(5×3 + 5×1 + 3×1)

7 0
2 years ago
A car travels 13 km in south east direction and then 16 km 40° north of east. Find the cars resultant direction. PLEASE HELP! AL
Neporo4naja [7]

Answer:

  about 2.9° north of east

Step-by-step explanation:

If we orient the directions so north is in the +y direction and east is in the +x direction, the car is traveling 13 km at an angle of -45°, then 16 km at an angle of +40°. We can add these vectors by adding their components in the x- and y-directions.

  13(cos(-45°), sin(-45°)) ≈ (9.19239, -9.19239)

  16(cos(40°), sin(40°)) ≈ (12.25671, 10.28460)

The sum of these vectors is then ...

  = (21.44910, 1.09221)

and the resultant angle is ...

  arctan(1.09221/21.44910) ≈ 2.915° . . . . measured north of east

The resultant direction is about 2.9° north of east.

7 0
2 years ago
Read 2 more answers
If you can run 5 miles in 45 minutes how fast is this in miles per hour?
balandron [24]

Answer:

6.67 Miles Per Hour

Step-by-step explanation:

6 0
3 years ago
Solve the system by graphing. Select the solution(s).<br> y = x + 2<br> y = 0.5(x + 2)
faltersainse [42]

Answer:

Part 1) The solution is the point (-2,0)

Part 2) The solutions are the points (-2,0) and (0,2)

Step-by-step explanation:

Part 1

we have

y=x+2 -----> equation A

y=0.5(x+2) ----> y=0.5x+1 ---> equation B

Solve the system by graphing

Remember that the solution of the system is the intersection point both graphs

using a graphing tool

The solution is the point (-2,0)

see the attached figure N 1

Part 2

we have

y=x+2 -----> equation A

y=0.5(x+2)^2 ----> equation B

Solve the system by graphing

Remember that the solution of the system are the intersection points both graphs

using a graphing tool

The solutions are the points (-2,0) and (0,2)

see the attached figure N 2

4 0
3 years ago
What is the value of a in the function's equation?<br> A. -2<br> B. -3<br> C. 3<br> D. 2
Greeley [361]

Answer:

I believe it’s c

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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