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tatyana61 [14]
2 years ago
6

What would be the steps to solving this problem?

1" title="\frac{1}{3}" alt="\frac{1}{3}" align="absmiddle" class="latex-formula">(6x+30)=6x-2(x-7)
Mathematics
2 answers:
mr_godi [17]2 years ago
7 0
1/3(6x+30)=6x-2(x-7)
simplify
2x+10=6x-2x+14
collect like terms
2x+10=4x+14
-14 from both sides
2x-4=4x
-2x from both sides
-4=2x
divide both sides by 2
-2=x

therefore x=-2
lidiya [134]2 years ago
3 0
Isolate the variable by dividing each side by factors that don’t contain the variable.

X = -2

Hope this helps!
Have a great day!
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Given f(x)=-3x+3solve for x when f(x)=6​
natali 33 [55]

Answer:

x = -1

Step-by-step explanation:

Given: f(x) =  - 3x  + 3

Solve for x, When: f(x) = 6

Step by step:

- 3x + 3 = 6

- 3x = 6 - 3

- 3x = 3

x = 3 \div  - 3

\boxed{\green{x =  - 1}}

3 0
2 years ago
Jack has a rectangular sticker that is 6 centimeters long and 4 centimeters wide.
Solnce55 [7]
Its c because 6*4 = 24
Thats how you find the area
8 0
3 years ago
Mickey keeps picking playing cards out of a standard deck of 52 cards, hoping that she will
andrew-mc [135]

Answer:

03%

Step-by-step explanation:

In this situation Mickey should have drew first 7 cards that are not diamond and then on the 8th attempt she should draw an ace.

Let A be the event of drawing 7 cards which are not diamond and B the event of drawing an ace card. therefore required probability is P(A∩B)=P(A)*P(B)

Now, there are 13 diamonds and 39 other cards. Hence,

P(A)=(\frac{39}{52})⁷=0.1335

After drawing 7 non-diamond cards, the 8th card must be a diamond.Hence,

P(B)=\frac{13}{52}=0.25

Hence, P(A∩B)=P(A)*P(B)=0.1335*0.25=0.033(approximately 0.03,i.e. 3%)

Therefore probability that Mickey will draw her first diamond on the 8th

attempt is 3%

7 0
3 years ago
The ratio of red marbles to blue marbles in a bag is 3:4 . If there are 42 marbles in the bag. how many marbles are red?
PolarNik [594]

Answer:

18 marbles

Step-by-step explanation:

Step 1

Express the fraction of each type of marble as a function of the total number of marbles as shown;

Let;

total marbles=x

red marbles=3/(3+4)=3/7x

blue marbles=4/7 x

But x=42 marbles

The total number of marbles for each type can be expressed as;

total number of red marbles=fraction of red marbles×total number of marbles

where;

fraction of red marbles=3/7 x

total number of marbles=42

replacing;

total number of red marbles=(3/7)×42=18 marbles

total number of blue marbles=fraction of blue marbles×total number of marbles

where;

fraction of blue marbles=4/7 x

total number of marbles=42

replacing;

total number of blue marbles=(4/7)×42=24 marbles

5 0
2 years ago
What is the discounted price of a $500 cell phone with a discount of<br> 10% ?
iren2701 [21]
My answer that I got was $500.00
5 0
2 years ago
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