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snow_lady [41]
3 years ago
11

These recognize antigens and produce special chemicals:

Health
1 answer:
navik [9.2K]3 years ago
6 0
The answer is D. B-Lymphocytes
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Read 2 more answers
El area de una cancha de basquetbol
Ira Lisetskai [31]

Answer:

The length is 28.656 m and the width is 14.656 m

Explanation:

<u><em>The question in English is</em></u>

The area of a basketball court  is 420 m² if the length is 14 meters  more than the width, what are its dimensions?

Let

L ----> the length of the basketball court

W ---> the width of the basketball court

we know that

The area of the of rectangular court is

A=LW

we have

A=420\ m^2

so

420=LW ----> equation A

L=W+14 ----> equation B

substitute equation B in equation A and solve for W

420=(W+14)W\\\\W^2+14W-420=0

Solve the quadratic equation by graphing

The solution is W=14.656\ m

see the attached figure

Find the value of L

L=14.656+14=28.656\ m

therefore

The dimensions are

The length is 28.656 m and the width is 14.656 m

8 0
3 years ago
Jenny has a big exam coming up tomorrow. She doesn't think she has studied enough to get a good grade. What's the best way that
ZanzabumX [31]

Answer:

B. Study until bedtime, wake up early, eat breakfast, and walk to school with her best friend

Explanation:

Process of elimination. If she wants to bring her stress level down, then we already know that we can eliminate choice A. Stay up late, drink a lot of coffee, and cram as much of the textbook as possible into her head, because that will cause her a lot of stress, especially during the exam, when she'd be exhausted. So choice A isn't a good selection. Now, we have options B. Study until bedtime, wake up early, eat breakfast, and walk to school with her best friend and C. Study until bedtime, wake up early, and study some more until her mom drives her to school. Well, if she wants to clear her mind of everything and make a good grade, she<em> has to</em> eat breakfast! If we choose C, then she'll skip breakfast, and that's not good for her! So we know that it has to be B.

8 0
3 years ago
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