3 years ago

Round8,624 to thenearest thousands the first One

Mathematics

2 answers:

Radda [10]3 years ago

4 0

Hope this helps
9,000

katen-ka-za [31]3 years ago

3 0

9,000 is that what you think

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Does anyone know the answer to this question.....0.5x + 1.75 = 10

marysya [2.9K]

Answer:

x = 16.5

Step-by-step explanation:

0.5x + 1.75 = 10

Subtract 1.75 from both sides:

0.5x = 8.25

Divide both sides by 0.5

x = 16.5

Check your work!

0.5(16.5) + 1.75 = 10

8.25 + 1.75 = 10

10 = 10

x = 16.5

3 0

3 years ago

Solve log4 (y – 9) + log4 3 = log4 81.

avanturin [10]

$\text{Domain}\\\\y-9 > 0\to y>9\\\\------------------------\\\\\log_4(y-9)+\log_43=\log_481\qquad\text{use}\ \log x+\log y=\log(xy)\\\\\log_4[3(y-9)]=\log_481\qquad\text{use distributive property}\\\\\log_4(3y-27)=\log_481\iff3y-27=81\qquad\text{add 27 to both sides}\\\\3y=108\qquad\text{divide both sides by 3}\\\\\boxed{y=36}\in D\\\\Answer:\ \boxed{y=36}$