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Drupady [299]
4 years ago
9

Describe how to model -3x + 7 =28 with algebra tiles

Mathematics
2 answers:
Natasha_Volkova [10]4 years ago
4 0

Answer:

-7

Step-by-step explanation:

-3x + 7 =28

3x = -21

x = -7

myrzilka [38]4 years ago
3 0
Subtract 7 to 28 = 21 then divided by -3 = x= -7
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The ruby throated hummingbird has a wingbeat of about 200 beats per second about how many wing Beats would a hummingbird have in
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36,000 wing beats

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4 0
4 years ago
What is the least common denominator (LCD) of 12 and 23?
leva [86]

Answer: none of those, 276...?

Step-by-step explanation:

You need to know the least common denominator (LCD) of 12 and 23 if you want to add or subtract two fractions with 12 and 23 as denominators.

The least common denominator, also called lowest common denominator (LCD), of 12 and 23 is 276.

Here is a math problem example where you need to know the LCD of 12 and 23 to solve:

3/12 + 2/23 = ?

Step 1) Take the LCD and divide each denominator by it as follows:

276/12 = 23

276/23 = 12

Step 2) Multiply each nominator with the respective answers from Step 1:

3 x 23 = 69

2 x 12 = 24

Step 3) Put it all together to solve the problem:

69/276 + 24/276 = 93/276

= 3/12 + 2/23 = 93/276

It's that easy! Once again, the lowest common denominator (LCD) of 12 and 23 is as follows:

276

7 0
3 years ago
Which scenario is represented by the equation below:
Papessa [141]
It's C I Believe Hope This Helpes

5 0
4 years ago
Complete the statement about parallelogram ABCD.
Crank

Step-by-step explanation:

Opposite angles of parallelograms are congruent

4 0
4 years ago
or points :-) 4000000000000000000000000000+88888888888888888888888888888888888888-11111111111111111111111111111111111=
Ivan

Answer:

funny

Step-by-step explanation:

6 0
3 years ago
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