MATHEMATICS HIGH SCHOOL

An equation _____ has one solution.
always
sometimes
never

Answers

Answer 1
Answer: I think the correct answer from the choices listed above is the second option. An equation sometimes has one solution. A system of equation can have one solution when the equations intersect at one point. Equations can also have two or more number of solutions.
Answer 2
Answer:

Answer:

Sometimes

Step-by-step explanation:

hope this helps u my friend

Related Questions

Given f(x)=10-2x find f(7)
23. Jackie returned to the store later that day and bought n more notebooks at the same price. This time she used a store coupon for $3.50 off her entire purchase. The total she spent was more than $18. Write an inequality to represent this situation.Inequality What was the least number of notebooks that Jackie could have bought this time? Answer notebooks
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Which type of correlation would you expect to see between the temperature and the number of ice cream bars sold? A. positive correlation B. negative correlation C. no correlation

15. Edgar Anderson earns $200 a week plus a 15% commission on all sales over $1,000. If Mr. Anderson's sales for one week are $2,500, what is his gross pay for that week?A. $350
B. $525
C. $575
D. $425

16. Which one of the following statements expresses a true proportion?
A. 14 : 6 = 28 : 18
B. 42 : 7 = 6 : 2
C. 2 : 3 = 3 : 2
D. 3 : 5 = 12 : 20

Answers

15. 

2500 X 15 = 37500
37500 ÷ 100 = 375
375 + 200 = 575
The answer is C.


16. 
The easiest way to answer this question is by going through each answer one by one: 

14:6 = 28:18
28 ÷ 14 = 2
18 ÷ 6 = 3
Since both numbers were multiplied by different numbers, we can establish that this is not a true proportion. 

42:7 = 6:2 
42 ÷ 7 = 6
7 ÷ 7 = 1
42:7 = 6:1
By dividing both numbers by the same number, we can establish that the answer is wrong. 

2:3 = 3:2
This is obviously wrong. That is because, in ratios, the order counts. So the first 3 is more than the first 2, therefore the second number on the other side of the ratio should be more than the first. 

3:5 = 12:20
12 ÷ 3 = 4
20 ÷ 5 = 4
Since both numbers were multiplied by the same number, this is a true proportion. 

The answer is D.

Using the following system of inequalities find the maximum value of f(x,y) = 3x + 7yx≥0
y≥0
3x+2y≤18
6x+7y≤42

Answer:

Answers

x ≥ 0
y ≥ 0
f(x, y) = 3x + 7y
f(0, 0) = 3(0) + 7(0)
f(0, 0) = 0 + 0
f(0, 0) = 0

3x + 2y ≤ 18 ⇒ 3x + 2y = 18 ⇒ 21x + 14y = 126
6x + 7y ≤ 42 ⇒ 6x + 7y = 42 ⇒ 12x + 14y =   84
                                                              9x = 42
                                                               9      9
                                                                x = 4²/₃
                                                      3x + 2y = 18
                                                3(4²/₃) + 2y = 18
                                                      14 + 2y = 18
                                                    - 14         - 14
                                                              2y = 4
                                                               2     2
                                                                y = 2
                                                          (x, y) = (4²/₃, 2)
f(x, y) = 3x + 7y
f(4²/₃, 2) = 3(4²/₃) + 7(2)
f(4²/₃, 2) = 14 + 9
f(4²/₃, 2) = 23

Classify the triangle based on side lengths 5, 7 and 8.A. right
B. Acute
C. obtuse
D. no triangle can be formed with given side lengths

Answers

a\leq b\leq c-sides\ of\ a\ triangle\ then\ a+b > c\ and\n\nif\ a^2+b^2=c^2\ then\ triangle\ is\ right\n\nif\ a^2+b^2 > c^2\ then\ triangle\ is\ acute\n\nif\ a^2+b^2 < c^2\ then\ triangle\ is\ obtuse


a=5;\ b=7;\ c=8\n\na^2+b^2=5^2+7^2=25+49=74\n\nc^2=8^2=64\n\na^2+b^2 > c^2\n\nThe\ triangle\ is\ acute\ (answer:B.)

Find the product. 4x3y(-2x2y) Evaluate b2c-1 for b = -4 and c = 2.

Find the product. (n 3)3 · (n 4)5

Answers

Answer:

-8x^5y^2

Step-by-step explanation:
1. 
4x(3y(-2x2y)) \n 4x(-2x6y) \n -8x × 6y

2. ((-4) × 2 × 2) - 1 = -17

3. 3(n×3) × 5(n×4)
= 3n × 9 × 5n × 20
= 15n × 180
= 2700n

Double-check what I did, as you were missing brackets and some operations, and I had to guess based on what you have

A root of x2 – 5x – 1 = 0 is

Answers

Hello,

Roots are (5+√(29))/(2)\ and\ (5-√(29))/(2)

Δ=(-5)²-4*(-1)*(1)=29

snow season at whitecap ski resort lasts from november through April. The table shows the amount of snow received each month during the most recent snow season and the percent of the total snowfall

Answers

You didn't tell us how much percent of snow you get each month yet
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