All categories

4 years ago

I will give the brainiest

Mathematics

1 answer:

Ilya [14]4 years ago

4 0

Answer:

a=3

Step-by-step explanation:

opening the bracket, we have

4x-2x-2a=8

2x-2a=8

x=7

2(7)-2a=8

14-2a=8

collect like terms

-2a=8-14

-2a=-6

divide both sides by -2

a=3

You might be interested in

HELPP QUICKK PLEASSEEE

aleksklad [387]

Answer:

Questions are blur can you post a much clearer one?

3 0

3 years ago

A pulley moves 8.67 feet of rope per minute. How many feet of rope will the pulley move in 6

lapo4ka [179]

Answer:

The answer is : 52.02 feet in 6 min

Step-by-step explanation:

you just had to multiply 8.67 by 6

and then you got the answer.

4 0

3 years ago

Simplify 2ab/3cd×c²d²/ab²

gulaghasi [49]

$\frac{2ab}{3cd} \times \frac{c²d²}{ab²}$

$= \frac{2cd}{3b}$

$= (\frac{2}{3} ) \frac{cd}{b}$

$= 0.66 \frac{cd}{b}$

8 0

2 years ago

Please answer this question only if you know the answer! 33 points and brainliest!

Rama09 [41]

Because the teacher only picked 5 students out of all the students it was a sample.

If the teacher had asked every student, it would have been a population.

3 0

3 years ago

Read 2 more answers

Solve for x using logs- <br><br> 2*7^x=17*3^x

horsena [70]

$2\cdot7^x=17\cdot3^x\ \ \ \ |\log\\\\\log(2\cdot7^x)=\log(17\cdot3^x)\ \ \ \ |use\ \log (x\cdot y)=\log x+\log y\\\\\log2+\log7^x=\log17+\log3^x\ \ \ \ |-\log2;\ |-\log3^x\\\\\log7^x-\log3^x=\log17-\log2\ \ \ \ |use\ \loga^n=n\log a\\\\x\log7-x\log3=\log17-\log2\\\\x(\log7-\log3)=\log17-\log2\ \ \ |use\ \log x-\log y=\log\dfrac{x}{y}\\\\x\log\dfrac{7}{3}=\log\dfrac{17}{2}\ \ \ \ |:\log\dfrac{7}{3}\\\\\boxed{x=\dfrac{\log\frac{17}{2}}{\log\frac{7}{3}}}$

8 0

3 years ago