3 years ago

5 seconds is what fraction of an hour??

Mathematics

1 answer:

Scorpion4ik [409]3 years ago

5 0

Answer:

1/720

Step-by-step explanation:

Multiply 60 times 60 because there are 60 seconds in a minute and 60 minutes in an hour.

now you have 3600 and if you put 5 over it it equals 1/720.

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Solve for value of B

yan [13]

Answer:

b = 6

Step-by-step explanation:

$(6b - 7) \degree + 90 \degree + 61 \degree = 180 \degree \\ \\ (6b - 7) \degree + 151 \degree = 180 \degree \\ \\ (6b - 7) \degree = 180 \degree - 151 \degree\\ \\ (6b - 7) \degree = 29 \degree \\ \\ 6b - 7 = 29 \\ \\ 6b = 29 + 7 \\ \\ 6b = 36 \\ \\ b = \frac{36}{6} \\ \\ \huge \purple{ \boxed{ b = 6}}$

7 0

3 years ago

Expand and simply <br>a) 2(4c+5d)+3(c-3d) <br>b) 6(3m+n)-4(m-n)<br>

dezoksy [38]

Answer:

a. 11x + d

b. 15m + 10n

Step-by-step explanation:

a. 2(4c+5d) + 3(x-3d)

Break the brackets:

2*4c + 2*5d + 3*x - 3*3d

= 8x + 10d + 3x - 9d

Collect like termsL

= 8x + 3x + 10d - 9d

= 11x + 1d

b. 6(3m+n) - 4(m-n)

Break the brackets:

= 6*3m + 6*n - 3*m - 4*(-n)

= 18m + 6n - 3m - (-4n)

= 18m -3m + 6n + 4n

= 15m + 10n

Hope this helped :3

3 0

3 years ago

I need to do b and d

cupoosta [38]

I only know the answer for b I don't know the answer for d. So here is the answer for b 9 time 9= to 18+11+8x4-1=60

5 0

3 years ago

Can you solve this i cant please help

True [87]

Answer:

1 2/3m

Step-by-step explanation:

Hope it helps!

4 0

3 years ago

Read 2 more answers

How do you solve this: Чx - 15 : 7х + 21

forsale [732]

Answer:

you can't solve this because it's not an equation

Step-by-step explanation:

3 0

3 years ago