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Ronch [10]
3 years ago
5

− 1 < y + 5 x ≤ 11 graph

Mathematics
1 answer:
shutvik [7]3 years ago
5 0

The graph is the space between (and including) the lines

... 5x + y = -1

... 5x + y = 11

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Which shows a difference of squares?
d1i1m1o1n [39]

Answer:

The equations shows a difference of squares are:

<u>10y²- 4x²</u>   $   <u>6y²- x²</u>

Step-by-step explanation:

the difference of two squares is a squared number subtracted from another squared number, it has the general from Ax² - By²

We will check the options to find which shows a difference of squares.

1) 10y²- 4x²

The expression is similar to the general form, so the equation represents a difference of squares.

It can be factored as (√10 y + 2x )( √10 y - 2x)

2) 6y²- x²

The expression is similar to the general form, so the equation represents a difference of squares.

It can be factored as (√6y + x )( √6y - x)

3) 8x²−40x+25

The expression is not similar to the general form, so the equation does not represent a difference of squares.

4) 64x²-48x+9

The expression is not similar to the general form, so the equation does not represent a difference of squares.

6 0
3 years ago
Which of the following correlation coefficients would represent the strongest correlation? -0.9 -0.16 0.04 .78
kolezko [41]

Answer:

0.4 would represent the strongest correlation.

Step-by-step explanation:

Generally, a value of r greater than 0.7 is considered a strong correlation. Anything between 0.5 and 0.7 is a moderate correlation, and anything less than 0.4 is considered a weak or no correlation

8 0
2 years ago
11. Write the equation in slope intercept form that has a slope of -23 and passes through the point (-1, 2).
insens350 [35]
11. y = -23x - 21

You can get this by starting with y = mx + b (slope intercept form). Then put in all the knowns and solve for the b. 

2 = -23(-1) + b
2 = 23 + b
-21 = b

Then add that to the end of the equation with m = -23

12. -5

The y-intercept of an equation is always the number added on at the end of an equation. It is also the number with no x attached to it. 

13. 8x^9y^6

When you use the law of exponents, you need to make sure the exponent goes to each individual term. When we cube the 2, it becomes 8. When you cube x^3, you get x^3*x^3*x^3 or x^9. And with y^2 you get y^6 
7 0
2 years ago
Nick and Matt want to compare the size of their square computer screens. The only information they know is that Nick's computer
Gennadij [26K]
8,000 inches wider than nick' s computer screen. Hope I helped!:)
3 0
3 years ago
Henry takes 1 hour to drive to work and 1 hour to drive home. if he works 5 days a week, how many hours does he spend driving to
alisha [4.7K]

Answer:

Step-by-step explanation:

Time taken to drive to work = 1 hr

Time taken to drive home = 1 hr

Time taken to drive from home to work and back home again ( IN ONE DAY)

=1 + 1 = 2hrs

So time taken for driving to and from work for 5 days = 2hrs × 5 days = 10 hrs .

6 0
2 years ago
Read 2 more answers
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