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FinnZ [79.3K]
3 years ago
7

Find the product. -7(-3) (-1)​

Mathematics
1 answer:
kiruha [24]3 years ago
5 0

Answer:

Step-by-step explanation:

-7x-3=21 then 21x-1=-21

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A rectangular room is 1.5 times as long as it is wide, and its perimeter is30 meters. find the dimension of the room.
Tpy6a [65]

Answer:

6 meters by 9 meters

Step-by-step explanation:

<u><em>Step 1: Formula for perimeter of rectangle</em></u>

Rectangle's perimeter = 2 (length) + 2 (width)

Rectangle's perimeter = 2 (length + width)

<u><em>Step 2: Find the length and width in terms of x</em></u>

Width = x

Length = 1.5 times width

Length = 1.5x

<u><em>Step 3: Find x</em></u>

Perimeter = 2(length + width)

30 = 2 (1.5x + x)

30/2 = 2.5x

15/2.5 = x

x = 6

<u><em>Step 4: Find the length and width</em></u>

Width = x = 6 meters

Length = 1.5x = 1.5(6) = 9 meters

Therefore, the dimensions of the room are 6 meters and 9 meters.

6 0
3 years ago
Which of the following is irrational? PLEASE HELP ASAP I WILL CRON BRAINLIEST
Sveta_85 [38]

Answer:

All of them are irrational except √9 which is rational.

Step-by-step explanation:

√5= 2.2606797749(irrational)

√9=3(rational) this one is rational

√7=2.64575131106(irrational)

√3.31662479035(irrational)

hope it helps.

7 0
3 years ago
What is the slope of a line that passes through at (-1,5) and (4,5)
murzikaleks [220]
5-5/4--1= 0/5=undefined slope. This is a line that goes up and down and cannot exist in a function
3 0
3 years ago
I’ll mark brainliest plz answer.
Alex17521 [72]

Answer:

they are called constants. they don't have a variable on them, so their value throughout the problem will remain the same or constant.

Step-by-step explanation:

5 0
3 years ago
Please help 20 pts marks brsinletsts
fgiga [73]

Answer:

(0,8)

Step-by-step explanation:

That's the only one that is in both the red and orange parabola

6 0
3 years ago
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