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Minchanka [31]
3 years ago
14

Where do I put the parentheses in 21-8-6=7

Mathematics
2 answers:
Sliva [168]3 years ago
7 0

Answer:

around 21-8 so the equation would look like this (21-8)-6=7

Step-by-step explanation:

you do this because if u put the parentheses around 8-6 you would get 21- (8-6)= 19 because 21 - 2 = 19 so you have to put them around 21-8 to get the right answer

Pavel [41]3 years ago
4 0

Answer:

(21-8)-6=7

Step-by-step explanation:

If you put the parentheses holding the 8-6 it makes the statement equal 19 and the other way is true so ya hope this helps <3

Also can you give brainliest to all of your questions bc it really hard to get brainliest and it be really nice you can choose who i dont really care but just please do it it helps a lot

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A gym membership costs $25 to join and $14 each month. Write and use an algebraic expression to find the cost of the gym members
lina2011 [118]

Answer:

See below.

Step-by-step explanation:

So we know that a gym membership costs $25 plus $14 each month.

In other words, the one-time cost is $25 and there will be a cost of $14 each month.

We can write this as:

f(x)=14x+25

Where f(x) equals the total cost given the number of months x.

For 6 months, the total cost will be:

f(6)=14(6)+25\\f(6)=84+25\\f(6)=\$ 109

6 0
4 years ago
Can some one plz help me with this question
Daniel [21]

Answer:

x=4.16

Step-by-step explanation:

12x -18 +4 = 16+18

12x-16= 16+18

12x-16=34

      +16 +16

12x=50

50/12

4.16

4 0
3 years ago
Write the equation of the line given the slope and point that it passes through
Harman [31]

Answer:

Assuming you want the answer in slope-intercept form, it’s <u>y = -5x + 11</u>

Step-by-step explanation:

So we have to first use point-slope form, y - y1 = m (x - x1)

If we plug the numbers in we get...

y + 4 = -5 (x - 3) (take out parenthesis)

y + 4 = -5x + 15 (now subtract 4 from 15)

<u>y = -5x + 11</u>

I think this is right

4 0
3 years ago
Expand the following expression 5x(3 – 7y)
Papessa [141]
1. Expand by distributing terms.
5x times 3 + 5x times -7y

2. Simplify 5x times 3 to 15x.
15x + 5x times -7y

3. Simplify 5x times -7y to -35xy.
15x - 35xy

Then you’re done. Hopefully this helps.
3 0
3 years ago
2x+5=6-x could someone help me please?
Artist 52 [7]

Answer:

x=1/3

Step-by-step explanation:

Add x to both sides, 3x+5=6

Subtract five from both sides

3x=1

Divide both sides by 3

x=1/3

7 0
4 years ago
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