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Butoxors [25]
3 years ago
15

1. to replace a variable in a mathematical expression with an actual value

Mathematics
2 answers:
UNO [17]3 years ago
3 0

Answer:

1. its substitution

2.

3. order of operations

4. variable

5. equation

Step-by-step explanation:

Svetllana [295]3 years ago
3 0
Exactly what he said
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NEED IT ASAP<br>Find the missing side. <br>3 is A^2 <br>5 is B^2<br><br>what is the missing side ​
nignag [31]

Answer:

5.83

Step-by-step explanation:

Use the Pythagorean theorem:

3^2+5^2 = c^2

34 = c^2

sqrt34 = c

5.83 = c

4 0
3 years ago
Read 2 more answers
Graph the line that passes through the points (7, 0) and (-2, 9) and determine the equation of the line.
MariettaO [177]

Answer:

y = -1x + 7

Step-by-step explanation:

y2 - y1 / x2 - x1

9 - 0 / -2 - 7

9 / -9

= -1

y = -1x + b

0 = -1(7) + b

0 = -7 + b

7 = b

5 0
3 years ago
What is the GCF of 48m5n and 81m2n2?
Lady bird [3.3K]
To find the GCF of the two terms, continuous division must be done.
What can be used to divide both terms such that there is not a remainder?
Start small, let's take 2. It could be a GCF.
Move up higher, say 3. Yes, it can be a GCF.
To see if there might be a greater common factor, divide the constants by 3.
48/3 = 16
81/3 = 27
Upon inspection and contemplation, there is no more common factor between 16 and 27. So, 3 is the GCF.

Moving on, when it comes to variables. The variable with the least exponents is easily the GCF. For the variable m, the GCF is m2 and for n, the GCF is n.

Combining the three, we have the overall GCF = 3m2n
7 0
3 years ago
Read 2 more answers
A projected image appears as an isosceles trapezoid.
Komok [63]
7x + 4 + 9x = 180
16x = 176
    x = 11

9x = 9x11 = 99
7x + 4 = 7(11) + 4 = 77 + 4 = 81

<span>in order to form a rectangular image, each angle needs to be equal 90 degreesn

99 - 9 = 90
81 + 9 = 90

answer

</span><span>B. 9°</span>
6 0
3 years ago
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If we were in the core of the galaxy...
Svetllana [295]

Answer:

B

Step-by-step explanation:

7 0
3 years ago
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