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Jlenok [28]
4 years ago
6

How does writing an equation help you solve a problem?

Mathematics
1 answer:
vredina [299]4 years ago
8 0
So you wont forget what you wrote and it helps you to figure out the problem. I hope this helps.
You might be interested in
Find the equation of a circle with a center at (7,2) and a point on the circle at (2,5)?
monitta

Answer:

(x-7)^2+(y-2)^2=34

Step-by-step explanation:

We want to find the equation of a circle with a center at (7, 2) and a point on the circle at (2, 5).

First, recall that the equation of a circle is given by:

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

Where (<em>h, k</em>) is the center and <em>r</em> is the radius.

Since our center is at (7, 2), <em>h</em> = 7 and <em>k</em> = 2. Substitute:

(x-7)^2+(y-2)^2=r^2

Next, the since a point on the circle is (2, 5), <em>y</em> = 5 when <em>x</em> = 2. Substitute:

(2-7)^2+(5-2)^2=r^2

Solve for <em>r: </em>

<em />(-5)^2+(3)^2=r^2<em />

Simplify. Thus:

25+9=r^2

Finally, add:

r^2=34

We don't need to take the square root of both sides, as we will have the square it again anyways.

Therefore, our equation is:

(x-7)^2+(y-2)^2=34

4 0
3 years ago
The probability of an event is 0.001. Which of the following best describes the event?
RideAnS [48]
The answer you are looking for is B, there is a small chance of the event occurring. <span />
5 0
3 years ago
Read 2 more answers
Q4) Kiarah collects data throughout the basketball season and uses these 1 point
Jobisdone [24]

Answer:

C. Bulldogs

Step-by-step explanation:

In this question, we want to compare several numbers with different denominators and find out which number is the least. To compare this number, we have to change the denominator into the same number by finding the least common multiple (LCM) of the 4 numbers. The factor of each number will be:

3= 3 ^1

5= 5^1

8= 2 * 2 * 2 = 2^3

2= 2^1

We can find the LCM by multiplying a higher exponent of each prime number. The LCM will be:3^1 * 5^1 * 2^3 = 120

Each number will be:

Tiger= 2/3 * 40/40= 80/120

Redbird = 4/5 * 24/24= 96/120

Bulldogs = 3/8 * 15/15 = 45/120

Titans = 1/2 * 60/60 = 60/120

As you can see, the team with the lowest chance to play is Bulldogs = 45/120

6 0
3 years ago
a man invested a total of $3,000 in two investments. he made a profit of 3% on the first investment and 4% on the second investm
klio [65]
Let the first investment be x
and second be 3000-x

so 3%of x + 4% of (3000-x) = 107
By solving x = 1300 

First investment is 1300
second investment is 1700
7 0
3 years ago
Tennis You throw a tennis ball into the
Natali [406]

Answer:

add all of them and divide by 2

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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