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Rzqust [24]
3 years ago
11

A number increased by twelve

Mathematics
2 answers:
CaHeK987 [17]3 years ago
6 0

pick a variable for "a number" i always use n, and increase it by 12. n + 12.

Step-by-step explanation:

unless the question provides a specific variable you are allowed to choose what letter you use.

Anarel [89]3 years ago
3 0

Answer:

X+12

Step-by-step explanation:

"Increased by" means addition.

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PLEASE HELPPPP!!!!!!!!!!
Elza [17]

Answer:

8x15x12=1440

Step-by-step explanation:

7 0
3 years ago
Find the length of line segment x.<br> A)<br> 4<br> B)<br> 5<br> 6<br> 7
Korolek [52]

Answer:

x = 6

Step-by-step explanation:

4(x + 4) = 5(3 + 5) => Intersecting Secants Theorem

4(x + 4) = 5(8)

Open the bracket

4x + 16 = 40

Subtract 16 from each side

4x + 16 - 16 = 40 - 16

4x = 24

4x/4 = 24/4

x = 6

4 0
3 years ago
5x-29&gt;-34 OR 2x+31&lt;29
Margarita [4]
5x-29>-34
5x>-5
x>-1
x<1
2x+31<29
2x<-2
x<-1
x>1
6 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=12x%20%5E%7B2%7D%20%20%2B%204x%20%2B%2020" id="TexFormula1" title="12x ^{2} + 4x + 20" alt="1
Nesterboy [21]
<h3>Answer: </h3>

The GCF is 4

The polynomial factors to 4(3x^2+x+5)

==========================================================

Further explanation:

Ignore the x terms

We're looking for the GCF of 12, 4 and 20

Factor each to their prime factorization. It might help to do a factor tree, but this is optional.

  • 12 = 2*2*3
  • 4 = 2*2
  • 20 = 2*2*5

Each factorization involves "2*2", which means 2*2 = 4 is the GCF here.

We can then factor like so

12x^2 + 4x + 20\\\\4*3x^2 + 4*x + 4*5\\\\4(3x^2 + x + 5)

The distributive property pulls out that common 4. We can verify this by distributing the 4 back in, so we get the original expression back again.

The polynomial inside the parenthesis cannot be factored further. Proof of this can be found by looking at the roots and noticing that they aren't rational numbers (use the quadratic formula).

4 0
2 years ago
Ples help will mark brainliest if 2 answers.
BabaBlast [244]

Answer:

see below

Step-by-step explanation:

Choose a couple of values for x. Figure out the corresponding values for y. Plot those points and draw a line through them.

Let's choose x=0 and x=4. Then the corresponding y-values are ...

y = 2·0 = 0 . . . . . point (x, y) = (0, 0)

y = 2·4 = 8 . . . . . point (x, y) = (4, 8)

These are graphed below.

7 0
3 years ago
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