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Oksana_A [137]
3 years ago
8

Stretching before and after a workout allows for __________. A. Minimal soreness B. Maintained flexibility C. Notation of increa

sed flexibility D. All of the above Please select the best answer from the choices provided. A B C D.
SAT
2 answers:
jok3333 [9.3K]3 years ago
8 0

Answer:

D on edge, brainliest plz?        

Explanation:

hope this helps

VARVARA [1.3K]3 years ago
5 0

Answer:

yes he's correct^ its <u><em>D</em></u>

Explanation:

<em>LONG LIVE XXXTENTACION</em>

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For how many integers $n$ does the inequality $x^2 + nx + 15 &lt; 0$ have no real solutions $x$?.
Rom4ik [11]

By making the determinant equal to or smaller than zero, we will see that there are 15 values of n such that the inequality has no real solution.

<h3>Solving the inequality:</h3>

Here we have the inequality:

x^2 + n*x + 15 < 0

We want to see for which values of n we don't have real solutions.

Now, we can write the quadratic equation:

y = x^2 + nx + 15.

If the determinant of this quadratic equation is negative or 0, then we have a single root or we don't have roots, and because the leading coefficient is positive, that would mean that the function never becomes negative. Then for these cases, the inequality has no real solutions.

Then we must have:

n^2 - 4*15*1  ≤ 0

Now we can solve this for n.

n^2 ≤ 60

Then if n^2  is smaller than 60, we don't have real solutions, and we know that:

√60 = 7.75

Then we have:

-7.75 ≤ n ≤ 7.75

But n can only be an integer, so we can write:

-7  ≤ n ≤ 7

From -7 to 7 there are 15 integers, then there are 15 values of n such that the inequality has no real solutions.

If you want to learn more about inequalities, you can read:

brainly.com/question/11234618

3 0
2 years ago
What high carbohydrate food did you choose?
Molodets [167]
The one that has carbohydrates in it
6 0
4 years ago
Read 2 more answers
When Elijah went to the top of Mount Carmel to pray, the first evidence that God was about to fulfill His promise to send rain w
SashulF [63]

It was in the shape of a mans hand. As a christian i know this, but i dont think it was the size of a mans hand, or it'd be hard to see.

6 0
3 years ago
(1) Farmer Ben has only ducks and cows 21 in total. He can’t remember how many of each he has. He knows
gavmur [86]

Answer:

Answer of question 1 :

Explanation:

Let x be the legs of ducks

And y be the legs of cows

According to the question,

2x + 4y = 52...…..(i) ( as ducks ahs two legs and as cows has 4 legs)

As he has 21 animals in total so,

x + y = 21...…..(ii)

We have make the equation. We will solve them by eliminatory method or substitution method. Here, I'll go for substitution method.

From equation (ii)

x = 21 - y....…..(iii)

Putting the value of x in equation (i),

2x + 4y = 52

2( 21 - y ) + 4y = 52

42 - 2y + 4y = 52

2y = 52 - 42

y = 10/2

y = 5 ( He has 2 cows)

putting the value of y in equation (ii)

x + y = 21

x + 5 = 21

x = 21 -5

x = 16 ( He has 16 ducks)

7 0
3 years ago
The telephone numbers in a telephone book is Categorical<br> or Quantitative?
Natali [406]

Answer:

Categorical

Explanation:

it is listed from A to Z

6 0
3 years ago
Read 2 more answers
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