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Aleks [24]
3 years ago
7

Last week Betsy made 80 on her quiz. This week she made 76. What is the percent of decrease in

Mathematics
1 answer:
GalinKa [24]3 years ago
4 0
The answer is d. 4%
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20=6x+14<br><br><br> answer 0=6<br><br> true or false ?????
Roman55 [17]

Hey there!

Let's solve the equation.

20=6x+14

Subtract 14 from both sides.

6=6x

Divide 6 on both sides.

x=1

This is false.

I hope this helps!

~kaikers

4 0
3 years ago
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Que son las figuras planas
Alecsey [184]
It can be made through straight line or curved lines.
4 0
3 years ago
The following equation will have two solutions, y = x2 - 2x - 15?<br> True<br> False
motikmotik
The answer would be False.
3 0
3 years ago
Which statement is true when all points of a line lie in a plane?
stira [4]
Your answer would be choice 3, because when all points of a line lie in a plane, the plain contains the line so the line can contain all of the points. Hope this helped. ;)
5 0
3 years ago
Betty has some hair ribbons that are blue. She has 19 blue ribbons. Three times the number of blue ribbons decreased by 5 is gre
likoan [24]

Answer:

3x-5> 6x- 14

Step-by-step explanation:

Let the blue ribbons be denoted by the letter x.

Then according to the given condition

3 times the blue ribbons = 3x

Decreased by 5 = 3x-5

is greater than

6 times the blue ribbons = 6x

decreased by 14 = 6x-14

Putting in one line

3x-5> 6x- 14

Solving the inequality

3x-5> 6x- 14

Taking both sides positive as in modulus

14-5 > 6x-3x

9> 3x

9/3 > x

3> x

Again solving for inequality

3x-5> 6x- 14

Taking one side negative that is mod

3x-5> -6x + 14

3x+ 6x > 14+5

9x> 19

x > 19/9

x > 2.11

so x lies between 2 and 3

3 > x > 2.11

Now putting the values for x= 19

3x-5> 6x- 14

57-5> 114-14

52 > 100 False

Now putting the values for x= 3

3x-5> 6x- 14

9-5> 18-14

4>4  False

Now putting the values for x= 2

3x-5> 6x- 14

6-5> 12-14

1> -2   True

There are 2 blue ribbons

5 0
3 years ago
Read 2 more answers
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