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Nikitich [7]
3 years ago
6

Twice a number decreased by 2

Mathematics
2 answers:
kodGreya [7K]3 years ago
5 0

Answer:

2n - 2

Step-by-step explanation:

n can represent the number, and subtract by 2 since it says decreased by

leva [86]3 years ago
5 0

Hi!

"twice a number" means a number twice itself, or a number x 2:

2n

"decreased by 2" means minus 2

2n - 2

Hope this helps ! :D

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For the picture below, find the measure of the remaining angles and type them next to each angle number . The measure of angle1=
Yuliya22 [10]

I'll answer and explain, its pretty much the last question. Easy way to put it,

1 and 4 are diagonal from each other so they are the same number.

1 and 4 = 120

2 and 3 are diagonal so they both = 60

Same thing for the bottom

1=120

2=60

3=60

4=120

5=120

6=60

7=60

8=120

4 0
3 years ago
For which of the following is x=-5 a solution? Select all that apply. A) x+10=-5 B) -x^2+50=25 C) l2xl =10 D) x<0 E) 2x<10
guapka [62]
Hello there!

Since we're looking for an equation to have a solution of x = -5, let's solve them from answer choice "A.)" to answer choice "D.)"

x + 10 = -5
x = -15

A.) is not correct.

Let's try B.)

-x^2 + 50 = 25
x^2 = -25
x = -5

Answer choice B.) is correct.
Let's continue looking for answer choices, just in case.

Let's look at answer choice C.)
2x = 10
x = 5
This answer is not correct.

Let's look at answer choice D.)
x < 0
This means x is less than 0, or a negative number.
This answer is not specifically correct.

Let's look at answer choice E.)
2x < 10
x < 5
This is less than 5, but does not specifically answer our chances.

Your answer is B.)

I  hope this helps!
5 0
3 years ago
Read 2 more answers
2x²+10x=0 by using any method
iren [92.7K]
2x²+10x=0

2x(x+5)=0

2x=0      or  x+5=0

x=0      or   x= -5
8 0
4 years ago
Kado spent 1 2/3 hours painting a fence. Then he spent 4/5 of an hour walking his dog. How much longer did he spend painting the
slava [35]

Answer:kado spent 1 2/3 hours painting a fence. Then he spent 4/5 of an hour walking the dog. How much longer did he spend painting than walking the dog

Step-by-step explanation:

5 0
3 years ago
Need help with a math question urgently<br><br> If 1
Brums [2.3K]

Answer:

Wheres the picture-

Step-by-step explanation:

8 0
3 years ago
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