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3 years ago

(03.01) The domain of the following relation R {(6, −2), (1, 2), (−3, −4), (−3, 2)} is 1 {−3, −3, 1, 6} 2 {−4, −2, 2, 2}

Mathematics

1 answer:

Rasek [7]3 years ago

8 0

i think its the second option 2 {−4, −2, 2, 2}

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Can u plzz help meeee

Strike441 [17]

10 because 8 squares plus 6 squared equals 100 and the root of 100 is ten

6 0

3 years ago

Read 2 more answers

Is (-a + b)² = a² - 2ab + b² right or wrong, and why?

antiseptic1488 [7]

Answer:

$\huge\boxed{\sf Right.}$

Step-by-step explanation:

$(-a+b)^2$

Let's apply the formula (x+y)² = x² + 2xy + y²

Here, x = -a and y = b

So,

= (-a)² + 2(-a)(b) + (b)²

= a² - 2ab + b²

Hence, it has been proved that (-a + b)² = a² - 2ab + b².

$\rule[225]{225}{2}$

Hope this helped!

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3 years ago

Which function below has the lowest y intercept? f(x) graph going through (0, 2) and (4, 0) g(x) Al had two dozen donuts when he

Shkiper50 [21]

I don't know what the "lowest y-intercept means" so if you can reiterate and clarify I'd appreciate it, but if you understand what you're looking for then I assume that a graph would be helpful. An online useful graphing site I like is desmos. Hope I helped.

4 0

3 years ago

At a strawberry stand Luisa paid $4.50 for 2 pounds of strawberries. How much would you expect to pay for five pounds or strawbe

Daniel [21]

Half of 4.50 is 2.25, so for one pound it would be $2.25.

To calculate five pounds, you need to add 2.25+2.25+2.25+2.25+2.25 = 11.25.

For five pounds of strawberry's, it would cost $11.25.

Hope this helped !

4 0

3 years ago

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A regular polygon has an interior angle of approximately 158.8°.

Step2247 [10]

Answer:

17 sides

Step-by-step explanation:

Property of regular polygons:

Sum of Interior Angles = (n−2) × 180°, where n is number of sides

In our case we have:

158.8×n = (n - 2)×180
180n - 158.8n = 360
21.2n = 360
n = 360/21.2
n = 17

5 0

3 years ago