All categories

4 years ago

I need help with 1/2x+13=9 im in the 8th grade btw

Mathematics

2 answers:

Inga [223]4 years ago

4 0

Answer:

1/-8

To find:

Step-by-step explanation:

1/2x+13=9

take 13 to the LHS. when you take 13 to the LHS it becomes negative

1/2x=9-13

1/2x=-4

by cross multiplying,

2x × -4=1

-8x=1

x=1/-8

hope it helps you!!

frozen [14]4 years ago

3 0

Answer:

-8

Step-by-step explanation:

You are wanting to solve for x

First you want to subtract 13 on both sides-

1/2x = -4

Now you want to divide on both sides-

x = -8

You might be interested in

PLZ ANSWER If y=2x-3 what is the value of x when y=1 -1 1 -2 2

topjm [15]

Answer:

first thing you gotta do is substitute x with -1 then you do the work first you gotta know your order of operation which is PEMDAS what that stands for is perentice exponent multiplication division addition and subtraction so then what you do first is 2*-1+3 2*-1=-2+3=1 and that is the answer you are WELCOME.

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Cube root of - 1000p^12q^3

aleksley [76]

$\bf \sqrt[3]{-1000p^{12}q^3}~~
\begin{cases}
1000=10^3\\
(-1)^3=-1\cdot -1\cdot -1\\
\qquad -1\\
p^{12}=p^{4\cdot 3}\\
\qquad (p^4)^3
\end{cases}\implies \sqrt[3]{(-1)^3(10)^3(p^4)^3q^3}
\\\\\\
(-1)(10)p^4q\implies -10p^4q$

7 0

3 years ago

The Garcia’s bought a washing machine for $435 and a clothes dryer for $395 bath prices include tax to deliver these items the s

Lelechka [254]

Answer:

870

Step-by-step explanation:

$435 + $395 = $830

$830 + $10 = $840

$2 x 15 = $30

$840 + $30 = $870

4 0

3 years ago

Helpppppp please due today

juin [17]

Answer:

Y=-2x+5 (3 or C)

Step-by-step explanation:

Replace the value of x

Y= -2x(-1)+5

Solve

Y= 2+5

Y= 7

5 0

3 years ago

Pedro and Carmela are cleaning their kitchen. It takes Pedro 3 hours to clean the kitchen by himself, while Carmela can clean th

Igoryamba

Answer:

Step-by-step explanation:

Here, we want to choose the equation representing the time it will take if they worked together

Let the amount of tasks to be done be t

pedro will work at a rate of t/3

Camela will take t/2

So the joint rate will be

t/2 + t/3

This joint rate will be equal to 1

Thus, we have

t/2 + t/3 = 1

5 0

3 years ago