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AysviL [449]
4 years ago
10

lauren planted 20 flowers, but her neighbors dog ate 7 of them. what percent of the flowers did the dog eat​

Mathematics
1 answer:
LuckyWell [14K]4 years ago
8 0
35 percent got eaten.

To solve: you’d take the number of flowers eaten, 7. And you’d divide it by the overall number, 20. Then you’d get 0.35, which would be your percent.
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How to solve 12ax-2ax+14x-2a+ -3x
Advocard [28]
That long, messy expression is not an equation and it's not a question,
so there's nothing to solve or answer.  However, it IS long and messy, so
your homework assignment might be to 'simplify' it.  Here's how:

<span>12ax - 2ax + 14x - 2a + -3x

Everything we'll do to this is called "combine like terms".  That means
"combine terms that are alike".  Terms are alike when they have the
same letter variables.
 
12ax  and  -2ax  are like terms.  Combine them, and you get  10ax .

14x  and  -3x  are like terms.  Combine them, and you get  11x .

So now we have:  10ax + 11x + 2a .

Nothing has been changed.  This shorter, simpler expression has
exactly the same value as the original long messy one has.  It has
just been cleaned up, and it looks neater and simpler.

You might also be expected to 'factor' the expression.  I don't know.
If you want to do that, then you could do it in 2 different ways . . .
either factor the 'x' from the two terms that have 'x' in them, or
else factor the 'a' from the two terms that have 'a' in them. 
Without explanation, here's how those would look:

           x(10a + 11) + 2a
or     
           a(10x + 2) + 11x .

Again, nothing has changed.  Both of these have the same value, and
their value is the same as the value of the long messy expression in
the question.
 
</span>
8 0
3 years ago
The temperature function (in degrees Fahrenheit) in a three dimensional space is given by T(x, y, z) = 3x + 6y - 6z + 1. A bee i
madam [21]

You're looking for the extreme values of T(x,y,z)=3x+6y-6z+1 subject to x^2+y^2+z^2=9. The Lagrangian is

L(x,y,z,\lambda)=3x+6y-6z+1+\lambda(x^2+y^2+z^2-9)

with critical wherever the partial derivatives vanish:

L_x=3+2\lambda x=0\implies x=-\dfrac3{2\lambda}

L_y=6+2\lambda y=0\implies y=-\dfrac3\lambda

L_z=-6+2\lambda z=0\implies z=\dfrac3\lambda

L_\lambda=x^2+y^2+z^2-9=0

Substituting the first three solutions into the last equation gives

\dfrac9{4\lambda^2}+\dfrac9{\lambda^2}+\dfrac9{\lambda^2}=9

\implies\lambda=\pm\dfrac32

\implies x=1,y=2,z=-2\text{ or }x=-1,y=-2,z=2

At these points, we have

T(1,2,-2)=28

T(-1,-2,2)=-26

so the highest temperature the bee can experience is 28º F at the point (1, 2, -2), and the lowest is -26º F at the point (-1, -2, 2).

6 0
3 years ago
5+13/18=can y’all please help me this is hard
eduard

Answer: 1

Step-by-step explanation:

5+13/18

18/18

1

8 0
3 years ago
Read 2 more answers
PLEASE HELPP I really need it this is a timed test
Jet001 [13]

Answer:

175 is answer

................

4 0
3 years ago
Read 2 more answers
What is 1 8/9 written as a improperfraction
Yakvenalex [24]
To write this as an improper fraction you would multiply 9 by 1 then add your product to the numerator.
9x1=9
9+8=17
17/9
Hoped this helped!
4 0
4 years ago
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