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melomori [17]
3 years ago
14

Somebody help me please

Mathematics
1 answer:
posledela3 years ago
8 0
130 degrees.

ADB = 90 degrees
BDT=40 Degrees

Therefore, TDS = ADB(90)+BDT(40)=130 degrees 
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Water Tank A is being filled according to the formula, 3y=750x+300.
Darina [25.2K]

Answer: All the time.

Step-by-step explanation:

Here,

x= elapsed time

y = number of gallons of water in tank.

For tank A,

3y=750x+300

Divide both sides by 3, we get

y= 250x+100 ...(i)

For tank B,

4y=1000x+400

Divide both sides by 4, we get

y=250+100 ...(ii)

From (i) and (ii) it can be seen that both the function are same.

That means the amount of watre will be same for every value of x, where x ≥0

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3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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blondinia [14]
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that would be

7 less than 7.6 less than 8

 
3 0
4 years ago
There are 36 ribbons of which 1/5 are yellow, 7/15 are pink and the remaining ribbons are
Kay [80]

Step-by-step explanation:

Let there be x blue ribbons

\therefore \:  \frac{1}{5}  +  \frac{7}{15}  + x = 36 \\   \therefore \:  \frac{1 \times 3}{5 \times 3}  +  \frac{7}{15}  + x = 36 \\ \therefore \:  \frac{3}{15}  +  \frac{7}{15}  + x = 36 \\ \therefore \:  \frac{3 + 7}{15}   + x = 36 \\ \therefore \:  \frac{10}{15}   + x = 36 \\ \therefore \: x = 36 -  \frac{10}{15} \\ \therefore \: x =  \frac{36 \times 15 - 10}{15} \\ \therefore \: x =  \frac{540 - 10}{15} \\ \therefore \: x =  \frac{530}{15} \\ \therefore \: x =  35\frac{5}{15}  \\ \\  \therefore \: x =  35\frac{1}{3} \: are \: blue.  \\

5 0
4 years ago
Can someone please help me with this question :)
Ugo [173]

Answer:

Step-by-step explanation:

Sin80° = opp/hyp

Sin80° = 21/y

ysin80° = 21

y = 21/sin80°

y = 21.3

6 0
4 years ago
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