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vodomira [7]
2 years ago
14

What is the answer to the equation -7x-3x+2= -8x - 8

Mathematics
2 answers:
timama [110]2 years ago
7 0

Answer:

x=5

Step-by-step explanation:

-7x-3x+2= -8x - 8

Add like terms

-7x-3x=-10x

-10x+2=-8x-8

+8x       +8x

-2x+2=-8

     -2  -2

-2x=-10

Divide by -2 to isolate the variable

x=5

Zarrin [17]2 years ago
5 0

Answer:

<h2><u><em>x = 5</em></u></h2>

Step-by-step explanation:

what is the answer to the equation

-7x - 3x + 2= -8x - 8

-7x - 3x + 8x = -10

2x = -10

x = 5

----------------------

check

-7 * 5 - 3 * 5 + 2 = -8 * 5 - 8

-48 = -48

the answer is good

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Capellas footwear has a monthly fixed cost of 2,400.it costs capellas $7.5 to produce each pair of shoes it sells. Write an expe
mel-nik [20]

Answer:

C(x)  = 7.5k + 2400 is the expense equation.

Step-by-step explanation:

The fixed cost per month = $2,400

Cost of producing each shoe  = $7.5

Here, let k be the number of shoes produced per month .

So, the monthly expense

= Fixed Cost + (Number of shoes produced per month x Cost per shoe)

or, C(x) = $2,400 + ( k x $7.5)

or, C(x)  = 7.5k + 2400 is the expense equation.

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3 years ago
How do I cancel my subscption?
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Answer:

You can go to the setting

Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
1/12+3/8y=5/12+5/8y , what does y equal
hram777 [196]
<span>1/12+3/8y=5/12+5/8y

</span><span>3/8y- 5/8 y = 5/12- 1/12
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4 years ago
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Please helpppp it has to do with P(A U B)
Katyanochek1 [597]
P(A)=0.5, P(B)=0.6, P(A\cup B)=0.8

We find the probability of intersection using the inclusion/exclusion principle:


P(A\cap B)=P(A)+P(B)-P(A\cup B)=0.3


By definition of conditional probability,


P(A\mid B)=\dfrac{P(A\cap B)}{P(B)}=\dfrac{0.3}{0.6}=0.5


For A and B to be independent, we must have


P(A\cap B)=P(A)\cdot P(B)

in which case we have 0.3=0.5\cdot0.6, which is true, so A and B are indeed independent.


Or, to establish independence another way, in terms of conditional probability, we must have

P(A\mid B)\cdot P(B)=P(A)\cdot P(B)\implies P(A\mid B)=P(A)


which is also true.
7 0
3 years ago
The function j(x)=39x represents the number of jumping jacks j(x) you can do in x minutes. How many jumping jacks can you do in
statuscvo [17]
The function j(x)=39x is the number of jumping jacks you can do in x minutes how many can you do in 5 minutes'?

This is asking you to evaluate the function when x is 5...so all you do here is substitute 5 for x and simplify.. since the question defines "x" as the number of minutes...and j(x) represents the number of jumping jacks.


j(x) = 39x

j(5) = 39(5)

j(5) = 195 <--- answer...


So you do 195 jumping jacks in 5 minutes

I really hope this helps :)
5 0
3 years ago
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