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iVinArrow [24]
2 years ago
10

Find m2ABC. А (7x - 1)”. (3x -9)° D B С

Mathematics
2 answers:
kondor19780726 [428]2 years ago
6 0

Answer: 48

Step-by-step explanation:

xenn [34]2 years ago
5 0

Answer:

Step-by-step explanation:

7x - 1 + 3x - 9 = 180

10x - 10 = 180

10x = 190

x = 19

7(19) - 1 = 133 - 1 = 132

3(19) - 9 = 57 - 9 = 46

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leonid [27]

Answer:

TY SIR PLS DONATE UR BRAIN AS SAID IN THE QUESTION

8 0
3 years ago
A scientist running an experiment starts with 100 bacteria cells. These bacteria double their population every 15 hours. Find ho
emmasim [6.3K]

Answer

It will take (t) = 24 hours to reach 300 .

Step by step explanation

It doubles every 15 hours.  initial bacteria = 100

We need to find how long it take for the bacteria cells to increase to 300.

300 = 100(2)^t/15

300/100 = 2^t/15

3 = 2^t/5

Taking "ln" both sides, we get

ln(3) = t/15 ln(2)

t/15 = ln(3)/ln(2)

t/15 = 1.585

t = 1.585 * 15

t = 23.78 hours

t = 24 hours to nearest whole hours.

Thank you.


6 0
3 years ago
PLZ SOLVE PIC ATTACHED BELOW
ludmilkaskok [199]

Answer:

\tan(51°)  =  \frac{10}{x}  \\x =  \frac{10}{ \tan(51°) }  \\ x = \frac{10}{1.235}  \\ \boxed{ x = 8.1}

<h3>★ Value of x is <u>8.1</u>.</h3>

\sin(51°)=  \frac{10}{H}  \\ h =  \frac{10}{ \sin(51°) }  \\ H=  \frac{10}{0.777}  \\  \boxed{H= 12.8676}

<h3>★ Value of H is <u>12.8676</u>.</h3>

Remember:

  • tan∅=Perpendicular/Base
  • sin∅=Perpendicular/Hypotenuse

4 0
2 years ago
72.1 divided by 7<br> Estimate the quotient
Ulleksa [173]
Do 72 divided by 7 to get your answer
4 0
2 years ago
Read 2 more answers
hey if anyone can help me with this question and if anyone can help me w a few other questions as well lmk I’ll pay y’all
Dima020 [189]

Answer:

0.8

Step-by-step explanation:

each mark represents 0.2

8 0
2 years ago
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