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Triss [41]
3 years ago
13

The number of donuts produced by a machine is directly proportional to the time the machine runs . The machine produces 380 donu

ts in 20 minutes . How many donuts can the machine produce after running for 45 minutes?
Mathematics
1 answer:
mrs_skeptik [129]3 years ago
5 0

Answer:

855 donuts

Step-by-step explanation:

380/20 = 19 donuts per minute

19 × 45 = 855

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Step-by-step explanation:

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3 0
3 years ago
What is the value of the fourth term in a geometric sequence for which a1 = 30 and r = 1/2?
Pani-rosa [81]

Answer:  The required fourth term of the geometric sequence is \dfrac{10}{9}.

Step-by-step explanation:  We are given to find the value of the fourth term in a geometric sequence with first term and common ratio as follows :

a(1)=30,~~~~~r=\dfrac{1}{2}.

We know that

the n-th term of a geometric sequence with first term a1 and common ratio r given by

a(n)=a(1)r^{n-1}.

Therefore, the fourth term of the given geometric sequence will be

a(4)=a(1)r^{4-1}=30\times r^3=30\times\left(\dfrac{1}{3}\right)^3=\dfrac{30}{27}=\dfrac{10}{9}.

Thus, the required fourth term of the geometric sequence is \dfrac{10}{9}.

7 0
3 years ago
Read 2 more answers
The discriminant of the function is
inessss [21]
Discriminant of a Quadratic

The number D = b2 – 4ac determined from the coefficients of the equation ax2 + bx + c = 0. The discriminant reveals what type of roots the equation has.

Note: b2 – 4ac comes from the quadratic formula.

 



6 0
2 years ago
The sum of 7 times a number and 3 equals 8
mars1129 [50]

Answer:

7x+3=8

Step-by-step explanation:

this is the answer

6 0
3 years ago
Can someone help with this plz??
alex41 [277]

Answer:

90 visitors

Step-by-step explanation:

36=40% so X=100%

Ratio

36/40=x/100

40x=3600

x=90

3 0
3 years ago
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