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murzikaleks [220]
2 years ago
11

Factorize -pq -pr +mq +mr​

Mathematics
1 answer:
trapecia [35]2 years ago
5 0

Answer:

(q + r) (m - p)

Explanation:

  • -pq - pr + mq + mr​
  • Factor out common term 'p'

= -p(q + r) + mq + mr

  • Factor out common term 'm'

= -p(q + r) + m(q + r)

  • Factor out common term '(q + r)'

= (q + r) (-p + m)

  • (q + r) (m - p)

- PNW

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Insects known as walking sticks move very slowly. They can move 2 inches every 5 seconds. At this rate, how far could a walking
Arisa [49]
2/5 = x/30......2 in to 5 sec = x in to 30 sec
cross multiply
5x = 60
x = 60/5
x = 12 inches <==
6 0
3 years ago
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Student to faculty is 17:3 The total is 740 how many students and faculty are at the college
inn [45]
Let the faculties be X and the number of students be Y.
X/Y = 17/3
3X= 17Y
X=17Y/3
Let that be equation 1
We also know that X+Y = 740. Let it be equation 2
Substitute equation 1 in equation 2
(17Y/3)+Y=  740
20Y/3 = 740
Y=111
Since the total is 740, then X equal 740-111 =629.
The number of faculties is 111 and the number of students is 629.
7 0
3 years ago
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The data displayed by the graph indicate that in 2000,
MrMuchimi

Using an linear function, we find that by 2020 only 11% of all American adults believe that most qualified students  get to attend college.

-----------------------------------------

A decaying linear function has the following format:

A(t) = A(0) - mt

In which

  • A(0) is the initial amount.
  • m is the slope, that is, the yearly decay.

  • In 2000, 45% believed, thus, A(0) = 45
  • Decaying by 1.7 each year, thus m = 1.7.

The equation is:

A(t) = 45 - 1.7t

It will be 11% in t years after 2000, considering t for which A(t) = 11, that is:

11 = 45 - 1.7t

1.7t = 34

t = \frac{34}{1.7}

t = 20

2000 + 20 = 2020

By 2020 only 11% of all American adults believe that most qualified students  get to attend college.

A similar problem is given at brainly.com/question/24282972

7 0
2 years ago
Can someone please help me? I’ll give brainliest to the first person who gets it right
Pavlova-9 [17]

Answer:

128 degrees

Step-by-step explanation:

B = D

B = 128

Therefore, D = 128

3 0
2 years ago
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A cyclist covers a distance of 15 miles in 2 hours. Calculate his speed.
Neporo4naja [7]

Answer:

7.5mph

Step-by-step explanation:

Speed = Distance / Time

Speed = 15 ÷ 2

Speed = 7.5 mph

8 0
3 years ago
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