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Anna11 [10]
2 years ago
8

Question 1 Unsaved

Mathematics
2 answers:
kvasek [131]2 years ago
7 0
Hi there!

5( - 3x - 7) =
To find our answer we need to work out the parenthesis. This can for instance be done using rainbow technique.

5 \times  - 3x + 5 \times  - 7 =
Now multiply. Remember that multiplying a negative by a positive makes you end up with a negative.

- 15x - 35
The fourth answer is correct.
~ Hope this helps you!

aleksandr82 [10.1K]2 years ago
6 0
Hi there!

Simplify th' expression :-

5 (- 3x - 7)

⇒5 × (- 3x) + 5 × (- 7)

⇒ - 15x + (- 35)

⇒ - 15x - 35

Hence,
The required answer is: - 15x - 35

~ Hope it helps!
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Answer:

(7/4)(2)(2)=7

Step-by-step explanation:

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Three boxes of supplies have an average (arithmetic mean) weight of 7 kilograms and a median weight of 9 kilograms. What is the
GuDViN [60]

Answer:

3

Step-by-step explanation:

A) 1

(B) 2

(C) 3

(D) 4

(E) 5

Mean is a measure of central tendency. It is the average of a set of numbers. It is determined by adding the numbers together and dividing it by the total number

Mean = sum of numbers / number of observation

sum of numbers = 3 x 7 = 21

Median is the number that is at the center or middle of a set of obervations

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x= lowest number

y = highest number

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x + y = 12

If x = 1 y = 11

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if x = 3 y = 9

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2 years ago
What is the equation of the line that is parallel to the line x = -2 and passes through the point (-5, 4)?
Nastasia [14]

Answer:

The equation of the line that is parallel to the line x = -2 and passes through the point (-5, 4) is x=-5

Option A is correct.

Step-by-step explanation:

We need to find equation of the line that is parallel to the line x = -2 and passes through the point (-5, 4)

We need a line parallel to x=-2 or x+2=0 it should be of form x+k=0

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So, the equation of line will be found by putting k=5:

x+k=0

x+5=0

x=-5

So, the equation of the line that is parallel to the line x = -2 and passes through the point (-5, 4) is x=-5

Option A is correct.

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