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Bogdan [553]
3 years ago
15

Is (-3,2) a solution of the equation x + y = 3?

Mathematics
2 answers:
kobusy [5.1K]3 years ago
6 0

Answer:

no

Step-by-step explanation:

plug the numbers in.

(‐3) + (2) = 3

-1 is not equal to 3.

Hitman42 [59]3 years ago
3 0
No it is not a solution.

explanation:
-3+2=3
-1=3
not a solution
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Why is looking at cash flow an important step in a good financial plan?
sergejj [24]
Cuz it can help you later on in the fuchure
8 0
4 years ago
Suppose the linear regression line y = 2.009x - 37.131 predicts a pizza a
coldgirl [10]

Answer:

$515.35

Step-by-step explanation:

y-hat = 2.009x - 37.131

y-hat = 2.009(275) - 37.131

y-hat = 552.475 - 37.131

y-hat = 515.344

Therefore, the pizza parlor can expect a profit of $515.35 if it sells 275 pizzas.

8 0
3 years ago
The first terms of a geometric sequence are as follows.
Flauer [41]

The fourth and fifth term of this sequence is -30 and -10 respectively.

Data;

  • first term (a) = -810
  • common difference (r) = ?

<h3>Common Difference</h3>

The common difference in a geometric progression is the ratio between two successive terms.

Let's find the common difference in this sequence

r = \frac{-270}{-810} \\r = \frac{1}{3}

The nth term of a geometric sequence is given as

T_n = ar^n^-^1\\

The next two terms of this sequence will be 4th and 5th term.

The fourth term of this sequence is

T_4 = ar^4^-^1\\T_4 = -810 * (\frac{1}{3})^3\\ T_4 = -810 * \frac{1}{27}\\ T_4 = -30

The fifth term of this sequence is

T_5 = ar^5^-^1\\T_5 = -810 * (\frac{1}{3})^4\\T_5 = -810 * \frac{1}{81} \\T_5 = -10

The fourth and fifth term of this sequence is -30 and -10 respectively.

Learn more on geometric progression here;

brainly.com/question/12006112

3 0
2 years ago
The daily profit P ​(in thousands of​ dollars) from the sale of televisions is a function of the number x of televisions sold ​(
scZoUnD [109]

Answer:

The break-even sales amounts​ is 36 or 224.

Step-by-step explanation:

Consider the provided function.

P= -5x^2 + 13x - 4

Where x is the number of televisions sold (in hundreds) and P is the profit.

We need to calculate the break-even sales amounts​.

the​ break-even sales amounts​ is the sales amounts that result in no profit or​ loss.

That means substitute P=0 and solve for x.

-5x^2 + 13x - 4=0

5x^2-13x+4=0

\mathrm{For\:a\:quadratic\:equation\:of\:the\:form\:}ax^2+bx+c=0\mathrm{\:the\:solutions\:are\:}\\x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}

Substitute a=4, b=-13 and c=4 in above formula.

x_{1,\:2}=\frac{-\left(-13\right)\pm \sqrt{\left(-13\right)^2-4\cdot \:5\cdot \:4}}{2\cdot \:5}

x_{1,\:2}=\frac{13\pm\sqrt{169-80}}{10}

x_{1,\:2}=\frac{13\pm\sqrt{89}}{10}

x=\frac{13+\sqrt{89}}{10},\:x=\frac{13-\sqrt{89}}{10}\\x\approx2.243, \ or\ x\approx 0.357

Therefore, the break-even sales amounts​ is 36 or 224.

7 0
3 years ago
URGENT!!!!!! A 5 inch × 7 inch photograph is placed inside a picture frame. Both the length and width of the frame are 2x inches
3241004551 [841]

Answer:

the perimeter of the square is just "(5+2x)(2)+(7+2x)(2)

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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