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Naily [24]
3 years ago
11

Select the expression equivalent to (4x-6)-(7x+8)

Mathematics
1 answer:
lapo4ka [179]3 years ago
3 0
-3x-14 should be the answer
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The quotient of any two numbers, with the condition that the denominator is different from zero
elena-s [515]

Answer:

The quotient of any two numbers can be written as:

A/B

such that:

A, B ∈ {R}

Where {R} is the set of all real numbers.

But we also have the restriction that the denominator, B in this case, must be different than zero.

So we can define the set:

{R \ {0}}

As the set of all the real numbers minus the element 0.

So in this set we do not have the number zero, so now we can write our expression as:

A/B

A ∈ {R}, B ∈ {R \ {0}}

3 0
2 years ago
A dog breeder plans to mix two types of food to make a mix of low cost
lys-0071 [83]

Answer:

  • 3.75 bags of ChowChow
  • 0.75 bags of Kibble

Step-by-step explanation:

The constraints on protein, minerals, and vitamins give rise to the inequalities ...

  40c +30k ≥ 150 . . . . . . required protein

  20c +20k ≥ 90 . . . . . . required minerals

  10c +30k ≥ 60 . . . . . . . required vitamins

And we want to minimize 10c +12k.

The graph shows the vertices of the feasible region in (c, k) coordinates. The one that minimizes cost is (c, k) = (3.75, 0.75).

To minimize cost, the daily feed should be ...

  • 3.75 bags of ChowChow
  • 0.75 bags of Kibble

Daily cost will be $46.50.

5 0
3 years ago
What is the first step in writing f(x) = 6x2 + 5 – 42x in vertex form?
Marat540 [252]
F(x) = 6x² + 5 - 42x

first step in writing the f(x) in vertex form? WRITE THE FUNCTION IN STANDARD FORM.

f(x) = 6x² - 42x + 5

Exponents must be in decreasing order. 
7 0
3 years ago
Read 2 more answers
A figure has side lengths as marked in the diagram. <br> What is the area of the figure?
vovangra [49]

Answer:

132.4

Step-by-step explanation:

7 0
3 years ago
I start with 8 grapes in my yard. The grapes triple every week. In how many weeks will there be 320 grapes in my yard (rounded t
REY [17]
U think it’s 40 cuz 8 x40 equal 320 ;-; if it’s wrong my name will come to use
4 0
3 years ago
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