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azamat
3 years ago
6

Find the value of b plz

Mathematics
1 answer:
Inga [223]3 years ago
7 0

We use sine here. Sin (45) = opposite/hypotenuse = 12/b

Sin (45) = sqrt (2)/2

So, sqrt(2)/2 = 12/b

Cross multiply:

24 = sqrt(2) * b

Divide both sides by sqrt(2):

b = 24/sqrt(2) = 12 * sqrt(2).

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Answer:

1x

Step-by-step explanation:

8 0
3 years ago
Will you help me on both
NeTakaya

Answer:R

Step-by-step explanation:

6 0
3 years ago
A drink dispenser fills cups at a rate of 2 ounces per second. Adrain has 64 ounce cup that already contains 18 ounces of water.
diamong [38]

Answer:

23 seconds

Step-by-step explanation:

First, find out how many ounces left are needed to fill the water. Subtract the total, 64, by the already filled, 18. This should get you the answer of 46.

Since the dispenser fills 2 ounces per second, you need to divide the number 46 by 2 in order to find the amount of time in seconds it would take to fill the rest of the cup.

Therefore, your answer is 23 seconds.

Hope this helps!

3 0
3 years ago
Read 2 more answers
Someone please help me with this problem!!! I really need help and I don’t understand it!! If you know it please explain how you
nikitadnepr [17]
Distance = Rate * Time where the asterisk represents multiplication

We can isolate the rate if we divide both sides by the time. So we'll end up with this formula
Rate = Distance/Time
which can be written as 
r = d/t

The distance is measured in feet while the time is measured in minutes. The rate r is measured in feet per minute. If the speed was 10 feet per minute, then this would mean that the object travels 10 feet every minute. Or put another way, when one minute passes by, the object has traveled 10 feet.

How did I get "feet per minute" from the equation r = d/t? 
Well the units for "d" are in feet, and the units for "t" are in minutes

So writing "d/t" would turn into "feet/minute" when we think of the units only (ignore the actual numbers). Then we rewrite "feet/minute" into "feet per minute" as they mean the same thing, just written different ways. 

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

Answer: The units for the speed or rate are in feet per minute
3 0
3 years ago
Need help with both questions please
Inessa [10]
9)To find the LCD you need to find a number that all of the denominator numbers can divide into, for this problem it would be 12. 12/6+12/4+12/3=1
2+3+4=1
9=1
No solution
10) In order to solve this problem you need to cross multiply
2(3x+5)=7(10
6x+10=70
6x=60
x=10
Have a great day!:)
5 0
3 years ago
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