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sweet-ann [11.9K]
3 years ago
14

Combine like terms. 2yexp2 + 2(8yexp2 − 7) =

Mathematics
2 answers:
siniylev [52]3 years ago
7 0

Answer:

18yexp2-14

Step-by-step explanation:

Dovator [93]3 years ago
3 0
2y^2 + 16y^2 -7
final answer: 18y^2 -7
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Without solving the equation -3x+5 =44 tell whether the value of x is negative or positive
marshall27 [118]

Answer:

x= -13

The value of x is negative

Step-by-step explanation:

3 0
3 years ago
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Which of the following is the correct name for the compound HF
kumpel [21]

Answer:

Los pasajeros pasan por el ____.

a.

equipaje

c.

maletero

b.

control de seguridad

d.

mostrador

Step-by-step explanation:

7 0
3 years ago
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Which of the following operations is true regarding relative frequency distributions? Multiple choice question. No two classes c
pshichka [43]

Answer:

The relative frequency is found by dividing the class frequencies by the total number of observations

Step-by-step explanation:

Relative frequency measures how often a value appears relative to the sum of the total values.

An example of how relative frequency is calculated

Here are the scores and frequency of students in a maths test

Scores (classes)              Frequency                Relative frequency

0 - 20                                10                               10 / 50 = 0.2

21 - 40                               15                               15 / 50 = 0.3

41 - 60                               10                               10 / 50 = 0.2

61 - 80                                5                                 5 / 50  = 0.1

81 - 100                             <u> 10</u>                                10 / 50 = <u>0.2</u>

                                          50                                               1

From the above example, it can be seen that :

  1. two or more classes  can have the same relative frequency
  2. The relative frequency is found by dividing the class frequencies by the total number of observations.
  3. The sum of the relative frequencies must be equal to one
  4. The sum of the frequencies and not the relative frequencies is equal to the number of observations.

4 0
3 years ago
45. A crew member on a boat releases a camera 2 feet above the surface of a lake. The
zzz [600]

Answer:

C. 4 feet below

Step-by-step explanation:

A crew member on a boat releases a camera 2 feet above the surface of a lake. That is +2 feet

The camera falls 6 feet. -6

+2+(-6)

2-6

-4

Below 4 feet

8 0
2 years ago
59-(2c+3)=4(c+7)+c.
alisha [4.7K]

Step-by-step explanation:

{:}\leadsto\sf 59-(2c+3)=4 (c+7)+c

{:}\leadsto\sf 59-2c-3=4c+28+c

{:}\leadsto\sf 56-2c=5c+28

{:}\leadsto\sf 5c+28=56-2c

{:}\leadsto\sf 5c+2c=56-28

{:}\leadsto\sf 7c=28

{:}\leadsto\sf c={\dfrac {28}{7}}

{:}\leadsto\sf c=4

4 0
2 years ago
Read 2 more answers
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