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dybincka [34]
3 years ago
9

What is 13/31 as a percentage? Give your answer rounded to one decimal place.

Mathematics
2 answers:
Novay_Z [31]3 years ago
5 0

Answer:.

0.419%

0.4

Step-by-step explanation:

Feliz [49]3 years ago
3 0

Answer:

0.419\%

Step-by-step explanation:

\frac{13}{31}  \times 100\% = 0.419\%

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Which algebraic expression is equivalent to the expression below? 6(4x + 5) + 11
Alina [70]

Answer:

24x + 41

Step-by-step explanation:

Distribute the 6.

6(4x + 5) + 11 = 24x + 30 + 11

Now we just add the 30 and the 11 which are at the back of the expression.

24x + 30 + 11 = 24x + 41

Therefore the answer is 24x + 41. Please mark brainliest if possible and i hope you get a good grade on your homework

3 0
3 years ago
Limit definition for slope of the graph, equation of tangent line point for<br> f(x)=2x^2 at x=(-1)
Tems11 [23]

The slope of the tangent line to f at x=-1 is given by the derivative of f at that point:

f'(-1)=\displaystyle\lim_{x\to-1}\frac{f(x)-f(-1)}{x-(-1)}=\lim_{x\to-1}\frac{2x^2-2}{x+1}

Factorize the numerator:

2x^2-2=2(x^2-1)=2(x-1)(x+1)

We have x approaching -1; in particular, this means x\neq-1, so that

\dfrac{2x^2-2}{x+1}=\dfrac{2(x-1)(x+1)}{x+1}=2(x-1)

Then

f'(-1)=\displaystyle\lim_{x\to-1}\frac{2x^2-2}{x+1}=\lim_{x\to-1}2(x-1)=2(-1-1)=-4

and the tangent line's equation is

y-f(-1)=f'(-1)(x-(-1))\implies y-4x-2

6 0
3 years ago
M x+ B = y solve for B <br><br><br> A x+ B y = C solve for x <br><br><br> Bh/2 = A, solve for h
quester [9]

Step-by-step explanation:

Mx+B=y

B=y-Mx

Ax+By=C

Ax=C-By

Ax/A=C-By/A

x=C-By/A

Bh/2=A

2 x Bh/2=A x 2

Bh=2A

Bh/B=2A/B

h=2A/B

5 0
3 years ago
What value of x makes the equation 5(7x-3)-x=-4x-(-9-2x) true? please help :)
stiv31 [10]
X = 2/3 makes the equation true.

Answer: x = 2/3
7 0
3 years ago
What is the solution to the equation below?
romanna [79]

<u>Answer</u>:

- 3

option c). is correct!

<u>Step-by-step explanation</u>:

Given :

5 ( 6 + x ) = 15

= > 30 + 5 x = 15

= > 5 x = - 30 + 15

= > 5 x = - 15

= > x = - 15 / 3

= > x = - 3

Therefore, final answer is - 3

6 0
2 years ago
Read 2 more answers
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