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weqwewe [10]
3 years ago
5

Here is the equation of a circle in standard form.

Mathematics
2 answers:
DENIUS [597]3 years ago
6 0

Answer:

(4,-8)

Step-by-step explanation:

Equation of a circle:

(x - h)² + (y - k)² = r²

Given:

(x - 4)² + (y + 8)² = 64

-h = -4

h = 4

-k = +8

k = -8

(h,k) = (4,-8)

Ipatiy [6.2K]3 years ago
3 0

Answer:

B. (4, -8)

Step-by-step explanation:

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In what time will Rs. 5600 amount to Rs. 6720 at 8% per annum?​
Leona [35]

Answer: 2 years

Step-by-step explanation:

If Interest= Principal x rate x time/100; then time is (100 × Interest)/(Principal × Rate)

From the question, old Principal is 5600, new principal =6720, the difference is the interest accrued.

Interest = 6720 - 5600 = Rs 1120

Rate = 8% = 8 ÷ 100 = 0.08

Time = x

Then, slot the values into the formula

Time= 100 x 1120 / 6720 x 8

= 112000/53760

=2.08

Time= 2years

I hope this helps

8 0
3 years ago
Please help me!!!!!!!!!!!
Zarrin [17]
Hi! The answer should be (5,0) (1,0) hope that helps!
8 0
2 years ago
Tiffany buys a basket of watermelons on sale for \$9$9 before tax. The sales tax is 9\%9%. What is the total price Tiffany pays
meriva

Answer:  $9.81

Step-by-step explanation:

Here, Tiffany buys a basket of watermelons on sale for $9 before tax.

Therefore, Initial cost of a basket of watermelons =  $9

And, he sales tax is 9%.

Therefore tax on a basket of watermelons,

9% of 9 = \frac{9\times 9}{100} = 0.81

But, The total cost of a basket of watermelons = initial cost + tax

= 9+0.81=9.81

Therefore, Tiffany pays $9.81  for the basket of watermelons.



8 0
3 years ago
Read 2 more answers
The grades on a language midterm at Oak Academy are roughly symmetric with = 67 and 0 = 2.5. Ishaan scored 70 on the exam. Find
rodikova [14]

Answer:  1.2

Step-by-step explanation:

Let X denotes the grades on a  language midterm at Oak Academy.

As per given ,

X follows normal distribution ( because it has symmetric graph)

\mu=67,\ \ \ \ \sigma= 2.5

Formula for z : z=\dfrac{X-\mu}{\sigma}

For X = 70, we have

z=\dfrac{70-67}{2.5}=\dfrac{3}{2.5}=1.2

Hence, the z-score for Ishaan's exam grade = 1.2

3 0
3 years ago
Raquel and Van live in two different cities. As part of a project, they each record the lowest prices for a gallon of gas at gas
mylen [45]

Based on the information given, the true statement true about their gas-price data is A. Raquel’s data are most likely closer to $3.42 than Van’s data are to $3.78.

<h3>Solution to the gas-price data.</h3>

It should be noted that a standard deviation simply measures how dispersed the data will be in relation to the mean.

From the complete question, the mean of Raquel's data is given as 3.42 while the standard deviation is given as 0.07. On the other hand, the mean of Van's data is given as 3.78 while the standard deviation is given as 0.23.

Therefore, it can be deduced that Raquel’s data are most likely closer to $3.42 than Van’s data are to $3.78.

Learn more about standard deviation on:

brainly.com/question/19243813

3 0
3 years ago
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