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algol13
3 years ago
9

Write the equation of the circle centered at ( - 4,7) with radius 20?

Mathematics
1 answer:
kow [346]3 years ago
8 0

Answer:

(x + 4)² + (y - 7)² = 20²

Step-by-step explanation:

Graphing form

(x - h)² + (y - k)² = r²

(h, k) is the center = (-4, 7)

r is the radius = 20

-----------------------------------

Plug in the givens

(x + 4)² + (y - 7)² = 20²

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Factor the polynomial. 48w^7 30w^4 a) 6w^4(8w^3 5) b) 6w^3(8w^4 5w) c) w^4(48w^3 30) d) 6(8w^7 5w^4)
Oliga [24]
48w^7 + 30w^4 = 6w^4(8w^3 + 5)
8 0
3 years ago
Solve the rational equation
9966 [12]

Answer:

1) x=1; x= 0 is an extraneous solution

Step-by-step explanation:

5 = 4x + 1

5 = 4 x 1 + 1

5 = 5

x = 1

______________________

x x^2

0 x 0^2

0 x 0 = 0

x = 0

:)

4 0
2 years ago
Kilani and Adrian are starting a nutrition program. Kilani currently consumes 1200 calories a day and will increase that number
Maurinko [17]

Answer:

7 days

Step-by-step explanation:

Let us represent the number of days = a

Kilani currently consumes 1200 calories a day and will increase that number by 100 calories each day.

1200 calories + 100 calories × a

1200 + 100a

Adrian currently consumes 3230 calories a day and will decrease that number by 190 each day.

3230 calories - 190 calories × a

3230 - 190a

The number of days that they would be consuming the same number of calories =

Kilani = Adrian

1200 + 100a = 3230 - 190a

Collect like terms

190a + 100a = 3230 - 1200

290a = 2030

a = 2030/290

a = 7 days

Therefore, the would be consuming the same number of calories in 7 days

4 0
4 years ago
A square orange rug has a yellow square in the center. The side length of the yellow square is x inches. The width of the orange
Art [367]

Answer:

11 squared - X squared. That would be your answer.

Step-by-step explanation:

8 0
3 years ago
2. New Merrick Bank charges a $21-per-check overdraft protection fee. On June 5,
dexar [7]

Answer:

Overdraft fee: He will pay $84 in over draft

How much he owe the bank: 1567.28

Step-by-step explanation:

Overdraft fee: He is gone 4 transactions over draft.

So 4 × $ 21 fee = $ 84

How much he owe the bank: his total withdrawal was 875.15+340.50+450.63+330+560=2556.28

Now he had his 989 in ac, So 2556.28-989=1567.28 is what he owe to bank

8 0
3 years ago
Read 2 more answers
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