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kompoz [17]
3 years ago
11

Expand 8(10-c) ........................................................

Mathematics
2 answers:
Lady_Fox [76]3 years ago
5 0

Answer:

80 - 8c

Step-by-step explanation:

8(10-c)

80  - 8c

kolbaska11 [484]3 years ago
3 0
Answer: 80 - 8c

Explanation:

Distribute the outter number into the parenthesis. After distributing you’ll want to multiply the outter number with the numbers that were in the parenthesis individually.

8 • 10
8 • -c


Now find the sum for each then combine like-terms.

8 • 10 = 80
8 • -c = -8c

Remember that a negative times a positive will remain a negative!! Since there are no like-terms we end up with the following equation, 80 - 8c
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Solve the equation 6(y+1.5)= -18. what is the value of y? y=
asambeis [7]

Answer:

y = -4.5

Step-by-step explanation:

6 0
3 years ago
What is 3.57 as a fraction
Ainat [17]
357/100
because .57 is the same as 57 hundriths which translates to 57/100. Now you have 3 and 57/100 and to make thing into an improper fraction you follow these steps.
1. mulitply the whole number (the number in front on the fraction) by the denominator (the lower part of the fraction). In our case, multiply 3 and 100. You get 300.
2. Add your answer to the numorator (the upper part on the fraction). 300 plus 57 equals 357.
3. Use your answer as the new numorator and keep the original denomanator.
Answer: 357/100
3 0
3 years ago
The ratio of a number and 18 is equal to the difference of a number squared and 5
boyakko [2]

Answer:

The number is 2.26

Step-by-step explanation:

Let The given numbers be x

Now according to question :

x : 18 = x² - 5

I.e x = 18 × (  x² - 5 )

or, x = 18 ×  x²  - 90

or, 18 x²  - x - 90 = 0

Or, From quadratic equation , the value of x

 x = \frac{-b\pm \sqrt{b^{2}-4\times a\times c}}{2\times a}

Or, x = \frac{+\pm \sqrt{-1^{2}-4\times 18\times -90}}{2\times 18}

Or, x = \frac{1\pm \sqrt{6481}}{36}

So, x = \frac{1\pm 80.50}{36}

∴  x  = \frac{81.50}{36} = 2.26

Hence The number is 2.26  Answer

8 0
3 years ago
How to do the problem ​
charle [14.2K]

Answer:

the answer is 10n-13

Step-by-step explanation:

this is a one step problem, all you need to do is add all the like terms together such as n and 9n and since they are both positives they add up to 10n and then with -10 and -3 they would add together to make -13. thats all there is to it, the answer is 10n-13

7 0
3 years ago
Read 2 more answers
What is this ->
Juli2301 [7.4K]
So you want to get all of the unknowns on one side and all the kknowns on the other (this only works with one placeholder)
with equation you must do the same thing to both sides (except divide by 0 which is not allowed and undifined) so that the equation stays equall so

14y-51=187+4y
so add 51 to both sides
14y=238+4y
subtract 4y from both sides
10y=238
divide both sides by 10
y=23.8
(y=17 would make the equation false)

answer is y=23.8
3 0
3 years ago
Read 2 more answers
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