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Amanda [17]
3 years ago
11

write this equation into standered form and give me the key points ie ig a parabola the focus and vertex, if circle, center and

radius: x^2-4y^2-2x-8y=7​
Mathematics
1 answer:
lions [1.4K]3 years ago
7 0

Answer:

if you have the same answers as i had it would be the answer d

Step-by-step explanation:

You might be interested in
There were a total of 800 novels and nonfiction books at a book shop. 2/5 of these books were novels. Each novel was priced at $
lutik1710 [3]

Answer:

$1800

Step-by-step explanation:

Total books = 800

Novels Books = 800*2/5 = 320

Nonfiction Books = 800-320= 480

No. of books sold

Novels Books = 320*3/8= 120

Nonfiction Books = 480*2/5 = 192

Total Amount = 120*7 + 192*5

Total Amount = 840 + 960

Total Amount = 1800

Thus total $1800 money the owner of the book shop will make.

8 0
3 years ago
The area of this rectangle is 96 ft2.<br> What is the length and width?
chubhunter [2.5K]

Answer:

length is 8

width is 12

Step-by-step explanation:

the equation to solve this would be

x*(x+4)=96

you isolate the variable by dividing each side by factors that doesn't contain the variable

X would then equal 8

length is 8

width is 8+4= 12

5 0
3 years ago
4 there are only red sweets and yellow sweets in a bag.
Taya2010 [7]

Using the probability concept, it is found that since the number of red sweets would be a decimal number, the probability cannot be \dfrac{7}{10}

<h3>What is probability?</h3>

Probability is defined as the ratio of the number of favourable outcomes to the total number of outcomes in other words the probability is the number that shows the happening of the event.

In this problem:

  • In total, there are 8 + n sweets in the bag.
  • Of those, n are red.

The probability of red is:

p=\dfrac{n}{n+8}

Supposing, we solve for n:

\dfrac{n}{n+8} = \dfrac{7}{10}

10n = 7n + 56

3n = 56

n  =  56 / 3

n  =  18.67

Since the number of red sweets would be a decimal number, the probability cannot be 7 / 10

To know more about probability follow

brainly.com/question/24756209

#SPJ1

4 0
2 years ago
V-5.65=6.93<br> solve for v
Alex

Step-by-step explanation:

v-5.65=6.93

v=6.93+5.65

v=12.58

hope it helps.

7 0
3 years ago
Read 2 more answers
Simplify:$$\sqrt{2\sqrt{8^2+15^2}+\sqrt{9^2+40^2}}$$
bagirrra123 [75]

Answer:

5\sqrt{3}

Step-by-step explanation:

\sqrt{2\sqrt{8^2+15^2}+\sqrt{9^2+40^2}}=?\\\\1)\sqrt{8^2+15^2}=\sqrt{289}=17\\2)\sqrt{9^2+40^2}=\sqrt{1681}=41\\3)2\times17=34\\4)\sqrt{34+41}=5\sqrt{3}

All Done!

8 0
3 years ago
Read 2 more answers
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