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Alekssandra [29.7K]
3 years ago
9

Equation represents a circle with a center at (–4, 9) and a diameter of 10 units?

Mathematics
2 answers:
Serga [27]3 years ago
6 0

Answer:

r=10

Step-by-step explanation:

Andrei [34K]3 years ago
5 0
The standard equation of a circle with radius r and centred at (h,k) is given by:

(x-h)^2+(y-k)^2=r^2.

Substitute (h,k)=(-4,9) and r=10 to find the exact equation.
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A rental car company charges $53.75 per day to rent a car and $0.12 for every mile driven. Jaya wants to rent a car, knowing tha
Aliun [14]

Answer:

Jaya can afford to rent a car 4 days while staying within her budget.

Step-by-step explanation:

The inequality would have to indicate that the cost of renting a car has to be less than or equal to $230. The cost to rent a car is equal to the cost per day for the number of days plus the price per mile for the number of miles, which is:

53.75x+0.12y≤230, where:

x is the number of days the car is rented

y is the number of miles driven

As the statement says that she plans to drive 125 miles, you can replace "y" with this value and solve for x:

53.75x+0.12(125)≤230

53.75x+15≤230

53.75x≤230-15

53.75x≤215

x≤215/53.75

x≤4

According to this, the answer is that Jaya can afford to rent a car 4 days while staying within her budget.

5 0
3 years ago
Can somebody help me?
puteri [66]
It is an open circle on 2 and then pointing to the left
4 0
3 years ago
Casey was twice as old as his sister 3 years ago. Now he is 5 years older than his sister. How old is Casey?
Margarita [4]
Let x is Casey's sister age.
<span>3 years ago: 
</span><span>Casey was twice as old as his sister: 2a - 3
Now: 
</span><span>he is 5 years older than his sister: a + 5

2a - 3 = a + 5
subtract a to both sides
2a - 3 -a = a + 5 - a
simplify
a - 3 = 5
add 3 to both sides
a - 3 + 3 = 5 + 3
simplify
a = 8

His sister age is 8 years old now.
</span>Now: 
he is 5 years older than his sister: a + 5 = 8 + 5 = 13
<span>
proof: 
so 3 years ago,
his sister age: 8 - 3 = 5
Casey age 3 years ago:
13 - 3 = 10 (</span>C<span>asey was twice as old as his sister 3 years ago</span>)
<span>
Answer:
Casey is 13 years old now.


</span>
4 0
4 years ago
Read 2 more answers
Choose the numbers that are terminating decimals. Select all that apply.
horsena [70]

Answer: A, C, and D

Step-by-step explanation:

          A terminating decimal is a decimal that has an end. In other words, \frac{1}{4}  =0.25 is one, but \frac{1}{3} =0.3333... is not.

✓ A. 0.032

✗ B. 0.999...

✓ C. 0.525

✓ D. 0.75

3 0
2 years ago
Help me with this<br> 50 POINTS for you PLUS A BRAINLIEST, THANKS AND 5 STAR
Roman55 [17]

Answer:

N = 17.1°

P = 72.9°

168.96 = NQ

Step-by-step explanation:

13.6 ^2 = 4^2 + NQ

184.96 - 16 = NQ

168.96 = NQ

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

N = 17.1°

P = 72.9°

3 0
3 years ago
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