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egoroff_w [7]
3 years ago
14

Please answer correctly !!!!!!! Will mark brainliest !!!!!!!!!!

Mathematics
1 answer:
astra-53 [7]3 years ago
6 0

Answer:

9 years.

Step-by-step explanation:

Make x the number of years passed.

\frac{39+x}{3+x}=4

12 + 4x = 39 + x

27 = 3x

x = 9

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What is the answer to this eqaution 20 ÷ 15/16
stepladder [879]

Answer:

21 1/3

Step-by-step explanation:

20 ÷ 15/16=

20/1 ÷ 15/16=

20/1*16/15=

4/1*16/3=

64/3=

21 1/3

3 0
3 years ago
Evaluate expression of 2ac
miss Akunina [59]
We would do 2*a=4*c=6
4 0
3 years ago
Please Help!!!!! Extra points and brainiest will be given!!!!!
Orlov [11]

Answer:

the big tank can hold 2027.37 m³of water

10 small tanks can be filled

Step-by-step explanation:

r = 11, h = 16

V = (1/3)πr²h

V = (1/3)121π(16)

1936π/3 = 2027.37

2027.37/200 = 10. 136

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8 0
3 years ago
Sin0=12/37 find tan0
alexira [117]

Answer:

\large{ \tt{❃ \: EXPLANATION}} :

  • We're provide - Sin θ = \frac{12}{37} which means 12 is the perpendicular & 37 is the hypotenuse [ Since Sin θ = \tt{  \frac{p}{h}} ] . We're asked to find out tan θ ].

\large{ \tt{❁ \: USING \: PYTHAGORAS \: THEOREM}} :

\large{ \tt{❊ \:  {h}^{2}  =  {p}^{2}  +  {b}^{2} }}

\large{ \tt{⇢ {p}^{2} +  {b}^{2}   =  {h}^{2} }}

\large{ \tt{⇢ \:  {b}^{2}  =  {h}^{2}  -  {p}^{2} }}

\large{ \tt{⇢ \:  {b}^{2} = {37}^{2} -  {12}^{2}   }}

\large{ \tt{⇢ \:  {b}^{2}  = 1369 - 144}}

\large{ \tt{ ⇢{b}^{2}  = 1225}}

\large{ \tt{⇢ \: b =  \sqrt{1225}}}

\large{ \tt{⇢ \: b = 35  \: \text {units}}}

  • Now , We know - Tan θ= \tt{ \frac{perpendicular}{base} }. Just plug the values :

\large{ \tt{➝ \: Tan  \: \theta =  \frac{p}{b}  = \boxed{ \tt{  \frac{12}{35} }}}}

▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

5 0
3 years ago
Apply the dristrbutie property to factor out the greatest common factor of 22c+33d
Mademuasel [1]
Answer:

11 (2c + 3d)

Step-by-step explanation:

Find the GCF (Greatest Common Factor)

Answer: 11

And then use 11 to factor out 22c + 33d
8 0
3 years ago
Read 2 more answers
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