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natka813 [3]
3 years ago
15

Add. (5x3 – 3x + 12) + (4x3 + 10x2 – 2x)

Mathematics
2 answers:
Alex3 years ago
4 0
3+3x+12+20-2x
35+x

ANSWER: 35+x
valkas [14]3 years ago
3 0

Answer:

9x + 10x - 5x +12

Step-by-step explanation

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NEED HELP ASAP!!!
balu736 [363]

Answer:

y=2x+5

Step-by-step explanation:

The y-intercept is when x is o so that will be 5.

To find the slope use the slope formula which is the change of y over the change of x. Choose 2 points.

\frac{y2-y1}{x2-x1}

\frac{9-7}{2-1}=\frac{2}{1}=2

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3 years ago
The inside of a refrigerator in a medical laboratory measures 17 inches long by 18 inches wide by 42 inches high. How many cubic
yanalaym [24]
7,852 cubic inches

17*18*42
5 0
3 years ago
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The sides of a triangle are in the ratio of 4:5:7 and its perimeter is 64. Find its sides
mel-nik [20]

Answer:

16,20,28

Step-by-step explanation:

64 /(4+5+7)

64/16= 4

sides of triangle=4×4 :5×4: 7×4

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3 0
3 years ago
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Factor the trinomial below.<br> x2 + 14x + 48
elixir [45]
IF IT EQUALS 0
1. find two number that multiplied to 48 and adds to 14, which are 6 and 8.

2. substitute the new numbers in with x to get x^2 + 6x + 8x + 48.

3. factor out the x and the 8 to get x(x+6)+8(x+6).

4. x = -6, x = -8

IF IT DOES NOT EQUAL 0
then (x+6)*(x+8) is your answer.
4 0
4 years ago
Which inequality correctly compares two of these times? A) 54.05 &gt; 54.15 B) 54.5 &lt; 54.1 C) 54.15 &gt; 54.05 D) 54.1 &lt; 5
koban [17]

c is right answer because 54.15 is bigger than 54.05


3 0
3 years ago
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