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Yuliya22 [10]
3 years ago
8

Ryan said, “The only solution for x2 = 36 is 6.” What is wrong with Ryan’s statement?

Mathematics
1 answer:
zysi [14]3 years ago
4 0
I think the answer is D.

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True or false? The degree of a binomial is always equal to 2
wel

Answer:

false

Step-by-step explanation:

the degree is found by looking at the term with the highest exponent of the variable..

4 0
3 years ago
Read 2 more answers
Y=x3 is that a function?
kotykmax [81]

Answer:

yes

Step-by-step explanation:

y(x) is even or odd according as y(−x)=±y(x) . Here, #y(-x)=-(-x)^3=-(-x^3)=x^3=-y(x). So, y is an odd function of x.

5 0
2 years ago
PetSmart.com sold the following varieties of dog food in June 2003.
aivan3 [116]

Let x  be the number of bags of Nature's Recipe Venison Meal & Rice Canine 20 percent protein, y be the number of bags of Nutro Max Natural Dog Food 27 percent protein and z be the number of bags of PetSmart Premier Oven Baked Lamb 25 percent protein a dog breeder buys. He  wants to make 300 pounds of a mix. Then

20x+17.5y+30z=300.

Now

  • in 20x pounds of Nature's Recipe Venison Meal & Rice Canine 20 percent protein is 0.2·20x=4x pounds of protein;
  • in 17.5y pounds of Nutro Max Natural Dog Food 27 percent protein is 0.27·17.5y=4.725y pounds of protein;
  • in 30z pounds of PetSmart Premier Oven Baked Lamb 25 percent protein is 0.25·30z=7.5z pounds of protein;
  • in 300 pounds of mix containing 22 percent protein is 0.22·300=66 pounds of protein.

Then 4x+4.725y+7.5z=66.

You get a system

\left\{\begin{array}{l}20x+17.5y+30z=300\\4x+4.725y+7.5z=66.\end{array}\right.

From the first equation z=10-\dfrac{2}{3}x-\dfrac{7}{12}y. Substitute it into the second equation:

4x+4.725y+7.5(10-\dfrac{2}{3}x-\dfrac{7}{12}y)=66.

Simplify it:

-x+\dfrac{7}{20}y=-9,\\ \\ 20x-7y=180.

y must be divided by 20, then

  • y=0, x=9, z=10-6=4;
  • y=20, x=16, z is not a whole number;
  • y=40, x=23,  z is not a whole number;
  • y=60, x=30, z=10-20-35<0;
  • thus, all other possible z will be <0.

Answer: 9 bags with 1st mix, 0 bags with 2nd mix and 4 bags with 3rd mix.

5 0
3 years ago
-1/3+(-3/5)=
Illusion [34]
\frac{-1}{3} + \frac{-3}{5}
You need to use the equation for adding fractions, which is \frac{a}{b} + \frac{c}{d} =(ad+bc)/bd

In this case,  a=-1, b=3, c=-3, d=5. 

&#10; \frac{(-1*5)+(3*-3)}{(3*5)}

simplify

answer: \frac{-14}{15}
3 0
3 years ago
Read 2 more answers
8' by 4', use a scale factor of 1. 5 to enlarge a window, what will the area of the window be after it is enlarged?
solmaris [256]
Enlarging by 1.5 will make the lengths 12' and 6'. Area is L*W. 12*6=72
<span>72'^2</span>
6 0
3 years ago
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