4 years ago

4^x+7 = 8^2x-3 Solve each equation showing work please

Mathematics

1 answer:

RUDIKE [14]4 years ago

3 0

If 4=2^2

8=2^3

(2^)2x+10=(2^)6x

(2^)6x-(2^)2x=10

(2^)2x×7=10, where x has no real value

You might be interested in

How do you figure this out?

podryga [215]

$2x^2-4x-6=0\\ x^2-2x-3=0\\ x^2+x-3x-3=0\\ x(x+1)-3(x+1)=0\\ (x-3)(x+1)=0\\ x=3 \vee x=-1$

8 0

4 years ago

Read 2 more answers

Enter the unknown value that makes this<br>statement true.<br>20% of _____ is 120

sasho [114]

The unknown value is 600

7 0

3 years ago

Read 2 more answers

Help me please<br> Idk what to do

Ber [7]

Answer:

x=36

Step-by-step explanation:

First rewrite equation then multiply each side by 36. 9x-36=4x+144.

then move the variable 9x-4x+36=144. Next subtract 9x and 4x ...5x=144+36.... 5x=180. Lastly you divide 180÷5 this your answer x=36

4 0

3 years ago

Which r-value is the best estimate of the correlation coefficient for the variables in the scatter plot?

xeze [42]

Answer:

Step-by-step explanation:

4 0

3 years ago

In a class of 10 there are 5students who play soccer. If the teacher chooses 2students, what is the probability that both of the

Mars2501 [29]

Answer and Step-by-step explanation:

$Greetings!$

$I'm~Isabelle~Williams~and~I~will~be~answering~your~question!$

$\frac{5}{10} =\frac{1}{2} ~If ~one ~student ~ are~ chosen, ~who ~plays~ soccer.$

$\frac{4}{9} ~If~ then ~the ~second ~student~ are~ chosen, ~who~ plays ~soccer$

$\frac{1}{2} \times \frac{4}{9} =\frac{2}{9}~ the~ probability ~that~ both~ students ~play~ soccer.$

$Hope~this~helps!~and~have~an~amazing~day~ahead!$

$Luv,$

$Isabelle$

4 0

3 years ago

Read 2 more answers