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Mekhanik [1.2K]
2 years ago
8

Calculate. If possible, reduce your answers. 12+3·(11−15) =

Mathematics
1 answer:
katrin [286]2 years ago
6 0

Answer:

60

Step-by-step explanation:

(11−15) = 4

12+3=15

15x4=60

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What does it mean about the data when a whisker is shorter?
Ksenya-84 [330]

Answer:

It means that the whisker is shorter in the data

Step-by-step explanation:

6 0
2 years ago
Which of the following numbers are greater than or equal to 4/7? Is it 2/5, 0.57, or 2/3. Use explanation why.
Sergeeva-Olga [200]

Answer:

2/3

Step-by-step explanation:

2/5=0.4 and 4/7=0.571428

0.57<0.571428

---------------------------

2/3=0.6667

which is greater than or equal to 4/7

5 0
2 years ago
<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
Mr. Gurney purchased 3 dozen
DedPeter [7]
If mr Gurney purchased 5 dozen eggs it would be 9.55
8 0
3 years ago
Fractions to decimals like 5/37 and 2/16
Zina [86]
Answered respectively;
1) 0.13514
2) 0.125
5 0
3 years ago
Read 2 more answers
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