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aleksandr82 [10.1K]
2 years ago
10

Double a number decreased by 4

Mathematics
2 answers:
tatuchka [14]2 years ago
4 0

Answer:

Well, if you are doubling a number with a product that can be decreased by 4 to go back to your original number, the answer to your question is <u>8</u>.

Step-by-step explanation:

(4)(2 : double) = 8

8 - 4 = 4 (original number)

Wittaler [7]2 years ago
3 0

Answer:

2x-5 if u want u can substitute any other variables and constant

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Calculating Distance around a Polygon
Vadim26 [7]

Answer:

12.5cm

Step-by-step explanation:

Each side of the pentagonal  garden has a length of 2.5 cm.

A pentagon has 5 sides.

Since the garden has congruent sides, all its lengths are equal.

Therefore:

Distance Walked by Tanya

= 5 X 2.5

=12.5cm

Tanya has walked 12.5cm in total.

6 0
3 years ago
The steps in the heating of water in a pot kept on a stove are listed below:
butalik [34]

Answer

Step 1 and step 2

Step by step explanation

Heat can be transferred from one place to another place.

When pot kept on a stove, the heat from flame travels to the base of the pot, then heat travels from the base to the water.

Step 1: Heat from the flame travels to the base of the pot.

Step 2: Heat from the base of the pot travels to the water near its base.

Answer: C) Step 1 and Step 2

4 0
3 years ago
Read 2 more answers
Please help me. i want to have this finished.
Anuta_ua [19.1K]
We know that y is equal to x-2. We can just substitute x-2 for y since y is equal to it. 

10x- 9(x-2)=24

Distribute.

10x- 9x+18= 24

x+18= 24

Subtract 18 on both sides.

x= 6

Now, plug in x.

y= (6)-2

y= 4

We can check this to see if this works:

4= 6-2, 4=4 

10(6)- 9(4)= 24

60-36= 24, 24=24

x=6 and y=4

I hope this helps!
<em>~kaikers</em>
5 0
3 years ago
Use the arc length formula and the given information to find r. s = 12 cm, 0 = 360; r = ?
hjlf
use s=r0

but first convert 360 degree to radian
you will get 6.284 radian

then you substitute and get the answer!

12= r (6.284)
r= 1.91 cm
8 0
2 years ago
Which algebraic expression means “four less than three times a number”?
Yuliya22 [10]

Answer:

3 n minus 4 represents the expression "four less than three times a number"

3 0
3 years ago
Read 2 more answers
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