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IrinaK [193]
2 years ago
6

I need help please you will get branliest

Mathematics
2 answers:
RoseWind [281]2 years ago
7 0

Answer:

9

Step-by-step explanation:

C-7/2=1

cross multiplying

C-7=2×1

C-7=2

C=2+7

C=9

AnnZ [28]2 years ago
3 0

Answer:C= 9

Step-by-step explanation:

c−7=1×2

c−7=2

c=2+7

c=9

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What is 29/12 as a decimal
ivolga24 [154]

Answer:

2.4166666666 (6 forever)

Step-by-step explanation:

5 0
3 years ago
Write the formula to calculate how much dough is prepared in x hours.
spin [16.1K]

Answer: D(x) = 2kg/h*x

where x is the number of hours.

Step-by-step explanation:

The information that we have is:

in 5 hours, we can prepare 10kg of dough.

With this, we can find the rate per hour, to do this we find the quotient:

R = 10kg/5h = 2kh/h

This meeans that in one hour, we can make 2kg of dough.

Then, in x hours, we can make x times 2kg of dough, then the equation will be:

D(x) = 2kg/h*x

where x is the number of hours.

5 0
3 years ago
Which expresion is equivalent to 30(1/2x-2)+40(3/4y-4)
Dafna11 [192]

Answer:

15x +30y -220

steps:

30(1/2x-2)+40(3/4y-4)

= 15x-60 +30y-160

= 15x +30y -220

6 0
3 years ago
PLEASE HELP Given the function f(x) = 3x2 – 4
Zarrin [17]

Answer:

15

Step-by-step explanation:

Rate of change is the slope of the tangent which will be the derivative of the function

if f(x) = 3x² - 4

f'(x) = 6x

as the derivative is linear, the average rate of change will occur at the midpoint of the interval

f'(2.5) = 6(2.5) = 15

7 0
2 years ago
Help please ..........​
olganol [36]

Answer:

7.  combination; 25C6 = 177100

8.  combination; 15C5 = 3003

Step-by-step explanation:

7. The order of the committee member selections is not important. (It would be if specific people filled specific positions on the committee.) Hence, the number is a number of combinations of 25 people taken 6 at a time.

__

8. The order of players is not important, as it might be if specific choices filled specific positions on the team. (The problem statement gives no indication that is the case. It is only by our knowledge of basketball teams that we entertain the possibility that order might be important.) Hence, the number is a number of combinations of 15 people taken 5 at a time.

_____

Of course, nCk = n!/(k!(n-k)!)

7 0
3 years ago
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