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3 years ago

The ________ is the distance around a circle.

Mathematics

2 answers:

raketka [301]3 years ago

5 0

The answer is circumference

CaHeK987 [17]3 years ago

5 0

Circumference the others dont really fit but tbh you should study more and try not to rely on this if its homework ask a parent if not use your best judgement

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The domain is ?<br> The range is ?

DIA [1.3K]

This is a quadratic equation, which is also a polynomial. Polynomials all have the domain (-infinity, +infinity).

As for the range: You can see from the graph that the smallest y-value is -2. Thus, the range is [-2, infinity).

4 0

3 years ago

Alberta has 5 shirts and 4 pants. 3 of the shirts are her favorite and 2 of the pants are her favorite. If Alberta chooses an ou

tiny-mole [99]

Answer:

$\frac{3}{10}$

Step-by-step explanation:

In probability, "AND" means "multiplication" and

"OR" means "addition".

We want the probability that she picks FAVORITE SHIRT "AND" FAVORITE PANT.

Probability that she picks favorite shirt = 3/5

Probability that she picks favorite pants = 2/4 = 1/2

Since, "AND", we "multiply" both to get:

3/5 * 1/2 = 3/10

5 0

3 years ago

19) Kyle has $600 in a savings account at the beginning of the summer. He wants to have at least $300 in his account by the end

Karolina [17]

If Kyle starts with $600 and wants to end with (at least) $300 She can withdraw up to $600−$300=$300
If he withdraw 20$/ week the 300 will last for 300/20 = 15 weeks

8 0

3 years ago

Algebra 1. Please show work.

MAVERICK [17]

Try this:
Given:
$\left \{ {{x-y=1} \ [1] \atop {x+y=3} \ [2]} \right.$
1) [1]+[2]: 2x=2 ⇒ x=2
2) [2]-[1]: 2y=1 ⇒ y=1.
3) answer: (2;1)

7 0

3 years ago

A student concludes that for all values of x,x^2+x+1 produces a prime number. Which value of x serves as counterexample to prove

Dafna11 [192]

Answer:

Step-by-step explanation:

Substitute the given values into x² + x + 1 and check if result is prime

x = - 4

(- 4)² - 4 + 1 = 16 - 4 + 1 = 13 ← prime

(- 2)² - 2 + 1 = 4 - 2 + 1 = 3 ← prime

(- 3)² - 3 + 1 = 9 - 3 + 1 = 7 ← prime

4² + 4 + 1 = 16 + 4 + 1 = 21 ← not prime

x = 4 serves as a counterexample to disprove this conclusion

5 0

2 years ago