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Andreas93 [3]
3 years ago
7

SUPER URGENT ANSWER BOTHHHHH QUESTIONS I WILL DEF MARK BRAINLYEST READ CARFULLY!

Mathematics
1 answer:
GaryK [48]3 years ago
4 0

Answer:

Step-by-step explanation:

563 people / 15 classes= 37 8/15. They should offer 38 classes.

2146 questions in 45 weeks.

2146/45= 47 31/45. round to 48 questions a week.

I would choose the first one. Even though the 2000 is an underestimate, the 50 weeks is overestimate , when divided it comes out to 50 questions a week which is closer to the 48 it actually is. I'd rather write too many questions then not enough.

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If BD = 4, AD = x-6, and CD = x, what is the length of CD?
emmainna [20.7K]

Answer:

The length of CD is 8 units

Step-by-step explanation:

<u><em>The complete question in the attached figure</em></u>

we know that

According to the Right Triangle Altitude Theorem,

(BD)^2 = (AD)(CD)

substitute the given values

(4)^2 = (x-6)(x)

16=x^2-6x\\x^2-6x-16=0

solve the quadratic equation by graphing

The solution is x=8 or x=-6

see the attached figure N 2

Discard the negative length.

therefore

The length of CD is 8 units

8 0
3 years ago
Identify the following series as arithmetic, geometric, both, or neither.
Tems11 [23]

Answer:

b

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
you buy 7 packages total of AA and AAA. AA has 6 batteries in each pack and AAA has 8 batteries in each pack. you end up with 52
Nina [5.8K]

Answer:

you bought 8 packs in total or four of each

Step-by-step explanation:

if you ad 6 and eight you get 14 and when you divide 52 by 14 you get four. to ensure your answer if you multiply 6 by 4 and 8 by 4 and add them together you will get 52

3 0
3 years ago
Which of the following is a good example of the Reflexive Property of Equality?
DaniilM [7]

Reflexive Property of Equality: a=a, b=b, etc.

Your answer would be: 5=5, as that fits the property.

I hope this helps :)

4 0
3 years ago
What is the answer to a situation that could be modeled with the ratio 4 to 1
Tju [1.3M]
For every 4 hotdogs there is 1 hamburger being sold.
4 0
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