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AveGali [126]
2 years ago
8

Which expression is equivalent to -5(1+7x)+3(3+4x)

Mathematics
1 answer:
Sedbober [7]2 years ago
6 0

Answer:

0(2+14x)+6(6+8x)

Step-by-step explanation:

You might be interested in
At a certain vineyard it is found that each grape vine produces about 10 pounds of grapes in a season when about 600 vines are p
____ [38]

Answer:

The number of additional vines to plant in order to maximize production  is 200

The total number of vines to maximize production is 800

Step-by-step explanation:

Notice that the expression for the number of pounds of grapes per acre  is in fact a quadratic expression in the variable "n":

A(n)=(600+n)(10-0.01n)\\A(n)= 6000-6n+10n-0.01n^2\\A(n) = 6000+4n-0.01n^2

which is clearly associated with a parabola with arms pointing down (negative coefficient in the variable "n" squared). So by finding the vertex of the parabola, we can give the answer to what "n" (number of additional vines to plant).

Recall that the vertex of a parabola of the general shape: y=ax^2+bx+c has an x-component defined by:

x_{vertex}=\frac{-b}{2a}

then in our case, the "n" value for that vertex is: n_{vertex}= \frac{-4}{2(-0.01)} =200

Then the additional number of vines to maximize grape production is 200

So the total should be: 600 + 200 =800

5 0
3 years ago
What rational function is this?
Ede4ka [16]

Answer:

even degree with positive leading coefficient for end behavior x ----> infinity, y ---> infinity

Step-by-step explanation:

I have a chart you can use

3 0
2 years ago
What is the percentage increase of 108.17 to 130.47
Alecsey [184]
130.47 - 108.17
22.3 percentage increase 
4 0
3 years ago
Read 2 more answers
A white rhinoceros weighs about 2 ½ tons. How many pounds does the white rhinoceros weigh?
steposvetlana [31]

Answer:

5000 pounds

Step-by-step explanation:

1 ton = 2000 pounds

2.5 tons = 2000 x 2.5 or 5,000 pounds

3 0
3 years ago
Oakland Middle school has 128 6th graders, 121 7th graders and 135 8th graders. If there are 3 teachers per 32 students, how man
zepelin [54]

Answer:

36 Teachers in Total

Step-by-step explanation:

I would use Ratio.

Students: 128 + 121 + 135 = 384 total students

Teachers: Students

3 : 32

36 : 384

384 ÷ 32 = 12

12 x 3 = 36

6 0
3 years ago
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