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Radda [10]
3 years ago
8

Plz help I don’t know it

Mathematics
2 answers:
Arte-miy333 [17]3 years ago
8 0

Answer:

Ummmm I have no idea but if I have time to anwser I wold

Step-by-step explanation:

Nata [24]3 years ago
5 0
It is used for finding an unknown side or a triangle

The formula is a^2+b^2=c^2 (a squared plus b squared equals C squared)

I’m not sure about the last thing
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-0.7=-7/9z help me pleasseeee!​
9966 [12]
The answer is 0.9 if z is in the numerator and if it is in the denominator it is 1/9
7 0
2 years ago
One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, how man
Yanka [14]

Answer: 144 minutes

Step-by-step explanation:

Based on the information that has been given in the question, the minutes that the slower pipe alone can use in filling the tank can be denoted by y minutes.

Therefore, the faster pipe will fill it in 1/3 × x = x/3 minutes.

Therefore,

1/x + 3/x = 1/36

4/x = 1/36

x = 36 × 4

x = 144

The number of minutes taken by the slower pipe will be 144 minutes.

5 0
3 years ago
A bird feeder stands perpendicular to the ground. In the afternoon sun, the bird feeders shadow is half its height. If the dista
Crazy boy [7]
By connecting the top of the height of the bird feeder and the tip of the shadow casted, we form a right triangle. The hypotenuse is equal to the given distance between the top of the bird feeder and the top of the shadow which is equal to 19 feet. 

If we let x be the height of the bird feeder and x/2 be the length of the shadow, by Pythagorean theorem,
                                       x² + (0.5x)² = 19²
The value of x from the equation is 16.99 ft or 17 ft. 
Thus, the height of the bird feeder is 17 ft and the shadow is approximately 8.5 ft. 
8 0
3 years ago
Write an equation for the graph.​
lozanna [386]

Answer:

y= 1,000x+55,000

Step-by-step explanation:

55,000 is y intercept. 1,000x is slope.

8 0
3 years ago
1/8 of a number is 10. What is the number?
OLEGan [10]
For this question you can say:
1/8x = 10 
so x is the answer and if u want to find the x you can multiply both sides of the equation by 8 so you will have:
x = 80 and that's the number 
if u want to find 1/7 of 21 you should just divide 21 by 7 so you will have 3 and for the last one is same also, so the answer is 5 :)))
i hope this is helpful
have a nice day 
6 0
3 years ago
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