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Ivanshal [37]
3 years ago
5

Two circles are concentric if they have the same center.

Mathematics
1 answer:
Tpy6a [65]3 years ago
3 0

9514 1404 393

Answer:

  (b)  (x – 4)^2 + (y – 6)^2 = 16

Step-by-step explanation:

The equation for a circle with center (h, k) and radius r is ...

  (x -h)^2 +(y -k)^2 = r^2

You want the equation for a circle with center (4, 6) and radius 4. That equation is ...

  (x -4)^2 +(y -6)^2 = 16

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A company makes two calculator models, one designed specifically for financial use and the other designed for scientific use. Th
mihalych1998 [28]

Answer:

  • 280 financial
  • 20 scientific

Step-by-step explanation:

The linear programming problem can be formulated as ...

  minimize 10f +12s    subject to ...

  10f +20s ≥ 3200 . . . . number of chips used

  f + s ≥ 300 . . . . . . . . . .number of switches used

  f ≥ 100 . . . . . . . . . . . . .minimum number of financial calculators

Graphing these inequalities, we find the feasible region to be bounded by the points (f, s) = (100, 200), (280, 20), (320, 0). The one of these that minimizes the number of production steps is ...

  f = 280, s = 20

280 financial and 20 scientific calculators should be produced to minimize the number of production steps.

4 0
4 years ago
Pls help two geometry questions attached.
-BARSIC- [3]

Answer:

the answer is D and A hope this helps



5 0
4 years ago
Read 2 more answers
PLEASE HURRY!!!
Lunna [17]
25 is the answer of this problem
5 0
3 years ago
Read 2 more answers
CAN SOMEONE PLEASE HELP ME!!!!
love history [14]

Answer:

The balance after the payment is $1263.84.

Step-by-step explanation:

The formula for amount after compound interest is

A=P(1+\frac{r}{n})^{t}

Where, P is principal, r is rate of interest, n is number of time interest compounded in a period, number of periods.

According to the given information,

P=1455.69

r=0.128

n=365

t=45

Put these values in the above formula,

A=1455.69(1+\frac{0.128}{365})^{45}

A\approx 1478.84

The amount after compound interest is $1478.84. Add late fee chages $35 in this amount and subtract the payment of $250. So, the balance amount after payment is

Balance=1478.84+35-250=1263.84

Therefore the balance after the payment is $1263.84.

8 0
4 years ago
Factor each linear expression. If the expression cannot be factored, write cannot be factored. 36x – 9
ki77a [65]

Answer:

9(4x - 1)

Step-by-step explanation:

The given linear expression is:

36x - 9

Since, 36 can be written as 9 times 4, we can rewrite the above expression as:

9(4x) - 9

Taking 9 as common, the expression changes to:

9 (4x - 1)

This linear expression can no linger be factorized further.

So,

36x - 9 = 9(4x - 1)

3 0
3 years ago
Read 2 more answers
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