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UNO [17]
3 years ago
15

81x² + 16y2 =49 How do you do this

Mathematics
1 answer:
rusak2 [61]3 years ago
5 0

Answers ; you can you a quadratic formula because there is no other way

Step-by-step explanation:

It has square as its power so that the reason we need to use quadratic formula.

You might be interested in
What is the slope of a line passing through the points (2, 5) and (0, – 4)?
Mumz [18]

Answer:

I think it's 4?

Step-by-step explanation:

I used Desmos, a graphing calculator. After plotting the points and drawing a line, I counted 4 points up and 1 point over to get to the next point. 4/1 =4

4 0
3 years ago
Find the domain of f(x)=4x^3+3x-2
DochEvi [55]
F(x) = 4x³ + 3x - 2

Since there no constraint whatsoever, the domain of f(x) is all x∈ R

Or x| x= ( -∞≤ x ≤ +∞)

6 0
3 years ago
Please explain how to do #5
Brrunno [24]
The area of a square is Side x Side. Since its sides are equal you have:

S*S = 1.69
S^2 = 1.69 
S = √(1.69) 
S= 1.3 km

Hope this help :). 
7 0
4 years ago
How do you solve this as a solution 9(2 + 3x) < 72
laila [671]

Answer:

x <2

Step-by-step explanation:

9(2 + 3x) < 72

Divide each side by 9

9/9 *(2 + 3x) < 72/9

2+3x < 8

Subtract 2 from each side

2+3x-2 < 8-2

3x<6

Divide each side by 3

3x/3 <6/3

x <2

7 0
3 years ago
Which statements correctly describe the association between the variables A and B?
postnew [5]

Answer:

positive association

linear association

Step-by-step explanation:

It is said that two variables A and B are related when the distribution of the values of one of the two variables differs according to the values of the other.

That is, when variable A grows then variable B also grows. This is known as positive correlation

When variable A grows then variable B decreases. This is known as negative correlation.

In the scatter plot you may notice that when variable A increases then variable B also increases, in an approximately linear relationship. Therefore it can be said that there is a positive and linear association.

The answer is the fourth and fifth option.

8 0
3 years ago
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