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jolli1 [7]
3 years ago
6

What expressions are equivalent to 10x + 30x?

Mathematics
1 answer:
Yuri [45]3 years ago
7 0

Answer:

5(2x+6x) and 10(x+3x)

Step-by-step explanation:

because the three results 40x

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Katherine el día lunes utiliza 3 horas en las redes sociales, el día martes utiliza 4.30 cuantos minutos utiliza Katherine en lo
BartSMP [9]

Answer: 450 minutes

Step-by-step explanation:

4 hours and 30 minutes equals 4.5 hours.

3+4.5=

7.5 hours

1 hour equals 60 minutes

Hence,

7.5*60=

450 minutes

7 0
1 year ago
Sue wants to know whether wearing sunglasses improves driving performance. If she uses an independent groups design, she would m
MakcuM [25]

Answer:

randomly requiring half the drivers to drive with sunglasses and the other half to drive without sunglasses.

Step-by-step explanation:

When employing an independent group design in a research or experimental study, the different groups in the study are assigned entirely different subjects such that, subjects in the treatment group are different from those in the control group. Therfore, adopting an independent group design in the scenario described above means diving the subjects into two at random with one half driving with sunglasses and the other half having to drive without it.

4 0
2 years ago
(1) Cos AcosecA=cot A​
Mashutka [201]

Answer:

The Basic Identities are :

cosec(A) =  \frac{1}{ \sin(A) }

\tan(A)  =  \frac{ \sin(A) }{ \cos(A) }

\cot(A)  =  \frac{1}{ \tan(A) }  =  \frac{ \cos(A) }{ \sin(A) }

So for this question :

\cos(A)cosec(A) =  \cot(A)

l.s.h =  \cos(A)  \times  \frac{1}{ \sin(A) }

l.s.h =  \frac{ \cos(A) }{ \sin(A) }

l.sh =  \cot(A)  \: (proven)

7 0
3 years ago
Select the correct answer.
Usimov [2.4K]

Applying the law of sines, the approximate length of side YZ is: A. 15.7 units.

<h3>How to Apply the Law of Sines?</h3>

Law of sines is expressed as follows: x/sin X = y/sin Y = c/sin Z.

Given the following:

  • x (YZ) = ?
  • X = 32°
  • z = 24
  • Z = 180 - 32 - 94 = 54°

Plug in the values

x/sin 32 = 24/54

x = (sin 32 × 24)/sin 54

x ≈ 15.7 units.

Learn more about the law of sines on:

brainly.com/question/27174058

#SPJ1

4 0
2 years ago
Add the proper constant to the binomial so that the resulting trinomial is a perfect square trinomial. Then factor the trinomial
jeka57 [31]
P^2+p+1/2^2

(p+1/2)^2
3 0
4 years ago
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