3 years ago

Solve each equation. 1. 13a=−5

Mathematics

1 answer:

mafiozo [28]3 years ago

5 0

Answer:

a = -5/13

Step-by-step explanation:

13a = -5

a = -5/13

hope this helps, pls mark brainliest :D

You might be interested in

Could someone help me solve these problems, step by step please so that I can understand what to do! Please only Answer with rea

seropon [69]

Answer:

don't know

Step-by-step explanation:

ok please mark me brainlist.

5 0

3 years ago

Solve x^2+4x=1 for x by completing the square

laila [671]

Answer:

x is approximately equal to 0.34 and -4.34

Step-by-step explanation:

$x^2 + 4x = 1\\x^2 + 4x + 4 = 5\\(x + 2)^2 = 5\\x + 2 = \sqrt{5} \\x = -2 + \sqrt{5}\\x \approx 0.34 \ and -4.34\\\\$

7 0

3 years ago

Which is equivalent to log2 n= 4?

sineoko [7]

Answer:

Step-by-step explanation:

$\text{De}\text{finition of logarithm:}\\\\\log_ab=c\iff a^c=b\\\\\text{where}\ a>0\ \wedge\ a\neq1\ \wedge\ b>0\ \wedge\ c\in\mathbb{R}\\===========================\\\\\log_2n=4\iff n=2^4\\\\n=16$

8 0

4 years ago

Read 2 more answers

What is the value of x in the equation 5x-7=28

fredd [130]

5x -7 = 28

Add 7 to both sides:

5x = 35

Divide both sides by 5:

X = 7

The answer is x = 7

6 0

3 years ago

Please perform the indicated operation.

Alja [10]

Answer:

the correct answer is 21.07070206.

6 0

3 years ago