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PtichkaEL [24]
3 years ago
6

Solve for x. 2x−4/5=x+4

Mathematics
2 answers:
Lelechka [254]3 years ago
5 0
2x-x= 4+(4/5)
3x= (20+4)/5
X= 24/15
Angelina_Jolie [31]3 years ago
3 0

2x - 4/5 = x + 4

You have to do -x to both sides

2x - x - 4/5 = x - x + 4

x - 4/5 = 4

Then you add 4/5 to both sides

x - 4/5 + 4/5 = 4 + 4/5

x = 24/5

Then we need to check are work by plugging it in

2(24/5) - 4/5 = 24/5 + 4

48/5 - 4/5 = 24/5 + 4

44/5 = 24/5 + 4

44/5 = 44/5

So <em>x </em>= <em>24/5</em>

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Complete the table of values for the function f(x)=-x^2+8x-2
Kipish [7]

Answer:

f(1) = 7

f(2) = 18

f(3) = 31

f(4) = 46

f(5) = 63

f(6) = 82

f(7) = 103

f(8) = 126

f(9) = 151

f(10) = 178

Step-by-step explanation:

f(1) = (-1)^2+8(1)-2 = 7

Continue plugging in values...

6 0
3 years ago
Graphs of what functions are shown below?
shtirl [24]

Answer:

-3/5

Step-by-step explanation:

6 0
4 years ago
beaus recipefor granola bars calls for 3 1/2 cups of oatmeal. he only have 1/6 cup scoop.how many scoops of oatmeal will he need
Stells [14]
<h2>Answer:</h2>

The number of scoops of oatmeal  he will need for the recipe is:

                             21 scoops.

<h2>Step-by-step explanation:</h2>

It is given that:

Beaus recipe for granola bars calls for 3 1/2 cups of oatmeal.  

i.e. the cups of oatmeal required is:

3\dfrac{1}{2}\ cups=\dfrac{3\times 2+1}{2}\ cups

i.e.

\dfrac{7}{2}\  \text{cups\ of\ oatmeal\ is\ required}

Also, he has:

\dfrac{1}{6}\ \text{cup scoop}

This means that:

\text{Number of scoops of oatmeal he need}=\dfrac{\text{Number of cups of oatmeal}}{\text{Number of cup scoop he has}}\\\\i.e.\\\\\text{Number of scoops of oatmeal he need}=\dfrac{\dfrac{7}{2}}{\dfrac{1}{6}}\\\\i.e.\\\\\text{Number of scoops of oatmeal he need}=\dfrac{7\times 6}{1\times 2}\\\\i.e.\\\\\text{Number of scoops of oatmeal he need}=21\ \text{scoops}

7 0
3 years ago
Read 2 more answers
Find the opposite of 1/3 and negative -7/12
Dimas [21]
The opposite of 1/3 = -1/3
the opposite of -7/12 = 7/12
8 0
3 years ago
What number nearest to 100,000 is exactly divisible by 2, 3, 4, 5, 6 and 7?
navik [9.2K]
First find the numbers with the factors of:
2,3,4,5,6,7
find the minum
if something has a factor of 6 then it also has a factor of 3 and 2 so just multiply by  the lcm of all of them which is found by
2=2
3=3
4=2 times 2
5=5
6=2 times 3
7=7

LCM=2 times 2 times 3 times 5 times 7=420

now divide 100000 by 420 and round down
100000/420=238.095=238.1 round doen 238

multiply 420 by 238 and get 99960

that is the answer 99960
4 0
3 years ago
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