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aksik [14]
3 years ago
10

Which expression is equivalent to ?

Mathematics
2 answers:
Aloiza [94]3 years ago
8 0

Answer: 2x^10y^12

Step-by-step explanation:

the second one.

60/30 = 2

x^20 - x^10 = x^10

y^24 - y^12 = y^12

ivann1987 [24]3 years ago
6 0

Answer:

2x Y,

Step-by-step explanation:

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PLZ HELP ME
Evgesh-ka [11]

Answer:

  • D. The experimental data does not support Sally’s hypothesis.

Step-by-step explanation:

<u>Sally's hypothesis can be shown as:</u>

  • 8c = 1p, where c- coil, p- paper clip

<u>From the data in the table we can see that:</u>

  • 8c = 2p ⇒ 4c = 1p
  • 16c = 4p ⇒ 4c = 1p
  • 24c = 6p ⇒ 4c = 1p

As we see there is a difference, Sally can pick up one paper clip for each 4 coils.

Correct answer choice is D.

4 0
2 years ago
The figure below shows parallel lines cut by a transversal:
faltersainse [42]

The answer is C, they are congruent because they are alternate interior angles

8 0
2 years ago
Read 2 more answers
1. (9 ÷ 3)2 + (4 x (12 – 23)) = 2. ((36 – 12) ÷ 6) + (23 – 12) = Answer these questions with explanations
murzikaleks [220]
Answer is in the sheet, hope this helps!

8 0
3 years ago
Clara is growing her hair out and wants it to be no longer than 15 cm but more than 11 cm. Her hair is 7 cm right now and grows
sertanlavr [38]
For this case we have the following compound inequality:
 11 <7 + 0.25t ≤ 15
 We must solve this inequality for time.
 We have then:

 For 11 <7 + 0.25t:
 
11 <7 + 0.25t
 11 - 7 <0.25t
 4 <0.25t
 4 / 0.25 <t
 16 <t

For 7 + 0.25t ≤ 15:
 7 + 0.25t ≤ 15
 0.25t ≤ 15 - 7
 0.25t ≤ 8
 t ≤ 8 / 0.25
 t ≤ 32

 Therefore, the answer is:
 16 <t ≤ 32

 Answer:
 
16 <t ≤ 32
 
Clara has the desired length in more than 16 weeks, but up to 32 weeks.
6 0
3 years ago
The symphonic choir and the jazz choir are recording songs for an album. The album can be no more than 72 minutes long. The jazz
zimovet [89]

Answer:

The symphonic choir can record a maximum of 14 songs.

Step-by-step explanation:

We know that the album cannot be more than 72 minutes long, and the jazz choir records a total of 7 (3min) = 21  song minutes.

If we call c the number of songs the symphonic choir records , and each song is 3.5 minute long, then the song minutes for the symphonic choir are 3.5c; therefore, we have the inequality

3.5c+21\leq 72<em> (this says the song minutes for jazz choir plus song minutes for symphonic choice cannot exceed 72 minutes )</em>

We solve this inequality by subtracting 21 from both sides and then dividing by 3.5:

3.5c\leq 51

$c\leq \frac{51}{3.5} $

c\leq 14.47

The maximum integer value c can take is 14; therefore, the maximum number of songs the symphonic choir can record is 14 songs.

3 0
3 years ago
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