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hichkok12 [17]
3 years ago
7

How do I solve equations with variable on both sides?

Mathematics
1 answer:
allochka39001 [22]3 years ago
7 0
I would personally add 6x to both sides to give 10x=-28, then divide by 10 to give x=-2.8

Collect the x's on one side
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A store buys a camera for $80 and decides to markup the price 35%. How much does the camera sell for?
Aleksandr [31]

Answer:

The camera is sold for $ 59.26.

Step-by-step explanation:

From the statement we understand that the new price of the camera (C') is calculated by:

C' = \frac{C_{o}}{\left(1+\frac{r}{100} \right)} (1)

Where:

C' - Price after increase, measured in US dollars.

r - Increase rate, expressed in percentage.

If we know that C_{o} = 80\,USD and r = 35, then the new price of the camera is:

C' = \frac{80\,USD}{1+\frac{35}{100} }

C' = 59.26\,USD

The camera is sold for $ 59.26.

3 0
2 years ago
What is the value of -2/5 / 3/4?
Sveta_85 [38]

Answer:

-8/15

Step-by-step explanation:

7 0
2 years ago
I need help with this
SVETLANKA909090 [29]

Answer:

The answer is 0.675

Step-by-step explanation:

If you were going to ask Brainly, you could have easily just used a calculator lol

4 0
3 years ago
What is the value of s and the length of side BC if ABCD is a rhombus?
Natali5045456 [20]

Step 1

<u>Find the value of s</u>

we know that

In a Rhombus all sides are congruent

so

AB=BC=CD=DA

AB=9s+29\\CD=10s-16

equate AB and CD

9s+29=10s-16\\

Combine like term

10s-9s=29+16\\

s=45\ units

<u>The answer Part a) is</u>

the value of s is 45\ units

Step 2

<u>Find the value of side AB</u>

AB=9s+29

substitute the value of s

AB=9*45+29=434\ units

Remember that the sides are congruent

AB=BC=CD=DA

therefore

<u>the answer Part b) is</u>

The length of the side BC is 434\ units


4 0
3 years ago
Read 2 more answers
What is the prime factorization of 420?
a_sh-v [17]

we have the factors 2 x 2 x 3 x 5 x 7 = 420. It can also be written in exponential form as 22 x 31 x 51 x 71.

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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