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3 years ago

Expand and simplify 2(p + 2q – 3).

Mathematics

1 answer:

Viktor [21]3 years ago

7 0

Answer:

2p+4q-6

Step-by-step explanation:

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The time until failure of an electronic device has an exponential distribution with mean 15 months. If a random sample of five s

Ainat [17]

Answer:

The probability that the first failure occurs among the five devices is given by

(a) 9 months = $\frac{9}{15} or =0.6$

(b) 12 months= $\frac{12}{15} or = 0.8$

Step-by-step explanation:

probability is given as the; number of required outcome/ total number of possible outcome.

6 0

3 years ago

-1.32+x=1 -1 -1 Not sure about this??

Ipatiy [6.2K]

Answer:

x=2.32

Step-by-step explanation:

-1.32+x=1

add 1.32 to both sides

1.32 cancels itself out

so you are left with x=2.32

7 0

3 years ago

Last year Mr. Ingles total income was 52000+ total expenses were 53800 use expression I-E/12 where I represents total income in

Olegator [25]

Answer:

-$150

Step-by-step explanation:

Given:

(I - E) / 12

Where,

I = total income

E = total expenses

I = $52,000

E = $53,800

(I - E) / 12

= (52,000 - 53,800) / 12

= -1,800 / 12

= -150

-$150 shows that Mr. Engle's total expenses exceeds his total income per month with an average of $150

8 0

3 years ago

Find m<1 32 359 32° 35° Ob Od 90° 58°

Harrizon [31]

Answer:

d- m<1 = 58

Step-by-step explanation:

To find this answer we have to do multiple steps.

So we know that vertical angles are congruent by the definition of vertical angles, look at the picture

So, we also know that a triangle =180 degrees

therefore we can add 32 and 90 to find the 3rd angle measure

32+90=122, then 180(because that's the total of the triangle)-122=58

So, m<1=58 degrees

7 0

3 years ago

How many times 0.25 can be subtracted from 5 ?

Morgarella [4.7K]

20,
just do 5/0.25
use a calculator

8 0

3 years ago

Read 2 more answers