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Doss [256]
1 year ago
5

The X and Ys are confusing

Mathematics
2 answers:
yuradex [85]1 year ago
8 0

Answer:

-15x²y

Step-by-step explanation:

Given that,

→ -12x²y - 3x²y

Then the solution will be,

→ -12x²y - 3x²y

→ -15x²y

So, the answer is -15x²y.

professor190 [17]1 year ago
7 0

Answer: -15yx^2

Step-by-step explanation:

-12x^2 * y -3x^2 * y=

-12(x^2 * y)-3(x^2 * y)=

(-12-3)(x^2 * y)=

-15x^2 * y=-15yx^2

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During the summer months, science center tickets are 3 for $36.75 and zoo tickets are 4 for $51. How much will a group of 12 stu
Tatiana [17]

Answer:

$6

Step-by-step explanation:

Step 1:

36.75 × 4 = 147

Step 2:

51 × 3 = 153

Step 3:

153 - 147 = 6

The group of 12 students will save $6 by choosing the Science Center.

5 0
2 years ago
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The product of a neutral number and 7 is​
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Isn't a neutral number 0? Since it's neither negative nor positive. So if you multiply 0 by 7, it's 0...

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3 years ago
Lily is a botanist who works for a garden that many tourists visit. The function f(s) = 2s + 30 represents the number of flowers
Vesnalui [34]

Answer:

  A. b(w) = 80w +30

  B. input: weeks; output: flowers that bloomed

  C. 2830

Step-by-step explanation:

<h3>Part A:</h3>

For f(s) = 2s +30, and s(w) = 40w, the composite function f(s(w)) is ...

  b(w) = f(s(w)) = 2(40w) +30

  b(w) = 80w +30 . . . . . . blooms over w weeks

__

<h3>Part B:</h3>

The input units of f(s) are <em>seeds</em>. The output units are <em>flowers</em>.

The input units of s(w) are <em>weeks</em>. The output units are <em>seeds</em>.

Then the function b(w) above has input units of <em>weeks</em>, and output units of <em>flowers</em> (blooms).

__

<h3>Part C:</h3>

For 35 weeks, the number of flowers that bloomed is ...

  b(35) = 80(35) +30 = 2830 . . . . flowers bloomed over 35 weeks

7 0
2 years ago
A railroad crew can lay 6 miles of track each day. They need ti lay 174 miles of track. The length, L (in miles), that is left t
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X + y = 13
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6 0
3 years ago
Help! What is the answer to: <br> 4x^2 + 9x - 1 = 0
nataly862011 [7]
I hope this helps you




a=4


b=9


c= -1



disctirminant =b^2-4ac


disctirminant =9^2-4.4. (-1)


disctirminant =97


x1=-9+square root of 97/2.4= -9+square root of 97/8


x2= -9-square root of 97/2.4= -9-square root of 97/8
6 0
3 years ago
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