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yaroslaw [1]
3 years ago
12

What does the phrase"between 7.2 and 7.6, inclusive" mean?

Mathematics
1 answer:
nalin [4]3 years ago
3 0
The phrase gives you an interval where the extremes are included.

The intervals may be indicated in several ways. 
 7.2 ≤ x ≤ 7.6
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Sara bought a new doll at a 20% off sale and saved $12. What was the regular price of the doll?
nordsb [41]

Answer:

regular price = $15

Step-by-step explanation:

Represent the regular price by d.  Then the discount was 0.20d, and the sale price was (1 - 0.20)d, or 0.80d, which is $12.

Solving for d, we divide both sides by 0.80:

d = regular price = $15

5 0
2 years ago
What is the simplified form of StartRoot 64 x Superscript 16 Baseline EndRoot? 8x4 8x8 32x4 32x8
storchak [24]

Answer:

8x4

Step-by-step explanation:

i got you

big brain

8 0
3 years ago
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Factorise 2xsquared X 7x +3
Monica [59]

Answer:

 (-2x - 1) • (x + 3)

Step-by-step explanation:

3.2     Factoring  2x2 + 7x + 3

The first term is,  2x2  its coefficient is  2 .

The middle term is,  +7x  its coefficient is  7 .

The last term, "the constant", is  +3

Step-1 : Multiply the coefficient of the first term by the constant   2 • 3 = 6

Step-2 : Find two factors of  6  whose sum equals the coefficient of the middle term, which is   7 .

     -6    +    -1    =    -7

     -3    +    -2    =    -5

     -2    +    -3    =    -5

     -1    +    -6    =    -7

     1    +    6    =    7    That's it

Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above,  1  and  6

                    2x2 + 1x + 6x + 3

Step-4 : Add up the first 2 terms, pulling out like factors :

                   x • (2x+1)

             Add up the last 2 terms, pulling out common factors :

                   3 • (2x+1)

Step-5 : Add up the four terms of step 4 :

                   (x+3)  •  (2x+1)

            Which is the desired factorization

5 0
3 years ago
Which phrase best describes the translation from the graph y = 6x2 to the graph of y = 6(x + 1)2?
evablogger [386]

we know that

The vertex of the graph y=6x^{2}  is the point (0,0)

The vertex of the graph y=6(x+1)^{2}  is the point (-1,0)

so

the rule of the translation is

(x,y)------> (x-1,y)

That means

one unit to the left

therefore

<u>the answer is the option </u>

1 unit left

3 0
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Find an example of a function relation in your everyday activity. State the input and output and rate of change.
kirza4 [7]

Answer:

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Step-by-step explanation:

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