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4 years ago

A boy pushes on box of mass 43 kg and it moves at an acceleration of 8.6m/s

Mathematics

2 answers:

madam [21]4 years ago

7 0

If you want to work out the force then F=MA, therefore 43*8.6=369.8 Newtons

zavuch27 [327]4 years ago

5 0

I Would Say Yes, She Basically Stole My Answer That She Answered... [ xD ]

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Solving a right triangle (ROUND TO THE NEAREST TENTH)

Kay [80]

Answer:

see explanation

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Subtract the sum of the given angles from 180 for B

B = 180° - (90 + 40)° = 180° - 130° = 150°

--------------------------------------------------------------

sin40° = $\frac{opposite}{hypotenuse}$ = $\frac{a}{21}$

Multiply both sides by 21

21 × sin40° = a, thus

a ≈ 13.5 ( to the nearest tenth )

--------------------------------------------------------------

cos40° = $\frac{adjacent}{hypotenuse}$ = $\frac{b}{21}$

Multiply both sides by 21

21 × cos40° = b, thus

b ≈ 16.1 ( to the nearest tenth )

3 0

3 years ago

Plz help me there are 4 questions

Nutka1998 [239]

Answer:

um yes no maybe and I'll think about it ;)

4 0

3 years ago

A scale drawing of a boat is 15 centimeters long. If the drawing uses a scale of 1 centimeter = 1.5 feet, how long many feet lon

matrenka [14]

Answer:

22.5 ft

Step-by-step explanation:

1/1.5=15/x

cross multiply and solve

22.5

5 0

3 years ago

at silver gym membrship is 25$ per month and personal training sessions are thirty dollars each.At fit factor membership is 65$

NARA [144]

25+30x=65+20x
30x=40+20x
10x=40
x=40/10
x=4

x is for the number of sessions

ANSWER: 4 sessions
It will cost 145$ for both gyms after 4 sessions.

3 0

3 years ago

Read 2 more answers

Find the value of n in 2m-3n = 6 and 2m + 6n = 12.

Nezavi [6.7K]

Answer:

n = 2/3

Step-by-step explanation:

2m - 3n = 6

– 2m + 6n = 12

-9n = -6

n = -6/-9

n = 2/3

Hence, the value of n in the given equations is 2/3.

4 0

2 years ago