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tia_tia [17]
4 years ago
8

s="latex-formula">
Mathematics
2 answers:
maria [59]4 years ago
7 0
21x - 27 = 0 (add the 3x + 18x together since they’re like terms)

21x = 0+27 (move the -27 to the other side of the = and when you do the sign will become the opposite eg “-“ will become “+” and a multiply will become a divide)

x = 27 ÷ 21

x = 1.29 or 9/7

what you have to do it try and get x on its own on one side of the = so you shift all the other things to the other side i guess
skelet666 [1.2K]4 years ago
6 0

Answer:

I. 6x2 + 25x + 24 = 0 6x2 + 16x + 9x + 24 = 0 2x (3x +8) + 3 (3x + 8) = 0 (2x + 3) (3x +8) ... < y=1; = x<y I. 10x2 + 33x + 27 = 0 => 10x2 + 15x + 18x + 27 = 0 => 5x (2x + 3) + 9 (2x + 3) = 0 => (5x +9) (2x +3) ... x = —9/5, –3/2 II. ... (b) 62 (d) is TX TX II.

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Aria and her two friends met up for dinner. They want to split the cost of dinner evenly between the friends but first had to ge
SOVA2 [1]

Answer:

A. 50.38

Step-by-step explanation:

Bill is 38.96. Calculate sales tax: 38.96x.0775=3.02.

38.96 + 3.02=41.98 total before tip

41.98x.20=8.40 tip

41.98 + 8.40=50.38

8 0
3 years ago
An automatic dog feeder contains 30 cups of food and dispenses 2 cups of dog food each day. What expression can the dog owner us
aleksklad [387]

9514 1404 393

Answer:

  30 -2d

Step-by-step explanation:

The total amount used in d days is 2d (cups). The amount remaining is the initial amount (30 cups) less the amount used. A suitable expression is ...

  30 - 2d

6 0
3 years ago
Write an equation in point-slope form of the line through points (7,6) and (9, 2). Use (7,6) as the point (x1, y1).
Agata [3.3K]

Hi there,

The correct answer is C. Because you have to find slope first. The slope formula is Y2-Y1/X2-X1. You plug in as 2-6/9-7 then get -4/2. Finally -2 is your slope. Now you use point slope form equation which is (Y-Y2)=M(X-X2). You plug in as y-6= -2(x-7). Hope you can understand it.

7 0
4 years ago
What units are used for volume?<br><br> linear<br> cubic<br> perimeter<br> square
irina1246 [14]
Cubic, since it has three dimensions instead of only two.
7 0
3 years ago
Read 2 more answers
BRAINLIEST!!
tekilochka [14]

Answer:

\frac{1}{20}

Step-by-step explanation:

First, we need to look at the # of chips. There are a total of 25, 6 of which are blue.

This means that the chance of getting the first blue chip would be \frac{6}{25}

As there is no replacement, the total number of chips is 24 and there are only 5 blue left. This gives us the chance of \frac{5}{24}

Now all we need to do is mulitply these two and then simplify

\frac{6}{25} *\frac{5}{24} =\frac{30}{600} =\frac{1}{20}

6 0
3 years ago
Read 2 more answers
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