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Nonamiya [84]
3 years ago
12

Choose the correct response ​

Mathematics
1 answer:
Aliun [14]3 years ago
6 0

Answer:

74 hope this works if not I'm sorry

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Suma doua numere este 702.Diferenta lor este un sfert din scazator .Afla cele doua numere dAU COROANA
Molodets [167]

Answer:

Cele două numere căutate sunt:

  1. <u>390 </u>
  2. <u>312</u>

Step-by-step explanation:

Pentru a rezolva necunoscutul cu aceste două numere, trebuie create două ecuații cu două necunoscute X și Y cu informațiile obținute: În primul rând, știm că suma celor două numere este egală cu 702, prin urmare:

1. <u>X + Y = 702 </u>

Apoi se menționează că diferența (adică scăderea) dintre cele două numere este egală cu un sfert din numărul cel mai mic, pentru a avea o referință, vom identifica variabila Y ca fiind cel mai mic număr, deci a doua ecuație ar fi:

2. <u>X - Y = 0,25Y</u> sau <u>Y / 4 </u>

Ștergem variabila X în a doua ecuație:

  • X - Y = 0,25Y
  • X = 0,25Y + Y
  • <u>X = 1,25Y </u>

Ecuația 1 este acum folosită cu X-ul șters:

  • X + Y = 702
  • 1,25Y + Y = 702
  • 2,25Y = 702
  • Y = 702 / 2,25
  • <u>Y = 312 </u>

Acum, din moment ce se știe că este X = 1.25Y, valoarea lui Y este înlocuită și obținem:

  • X = 1,25Y
  • X = 1,25 * 312
  • <u>X = 390</u>
8 0
3 years ago
Bologna is hot dog pancakes! ;)​
marshall27 [118]

Answer:

cool

Step-by-step explanation:

I have no idea what this means but good on u:)

5 0
3 years ago
Read 2 more answers
What is the zero of the function
olga_2 [115]

Answer:

x=6 (or 6)

Step-by-step explanation:

<u>Set f(x)=0:</u>

f(x)=\frac{x^2+x-42}{x^2+3x-28}

0=\frac{x^2+x-42}{x^2+3x-28}

0=x^2+x-42

0=(x+7)(x-6)

x=-7 or x=6

<u>Now check both solutions:</u>

f(-7)=\frac{(-7)^2+(-7)-42}{(-7)^2+3(-7)-28}

f(-7)=\frac{49-7-42}{49-21-28}

f(-7)=\frac{42-42}{28-28}

f(-7)=\frac{0}{0}

Therefore, x\neq-7 because there is a hole at (-7,0). The denominator, in addition, can never be 0, so the function is undefined for x=-7.

f(6)=\frac{(6)^2+(6)-42}{(6)^2+3(6)-28}

f(6)=\frac{36+6-42}{36+18-28}

f(6)=\frac{42-42}{54-28}

f(6)=\frac{0}{24}

f(6)=0

Since f(6)=0, then x=6 is the only zero of the function.

4 0
3 years ago
Find a solution of the quadratic equation.6x squared + 7x + 2 =0
worty [1.4K]

Given the equation:

6x^2+7x+2=0

We will use the following rule to find the solution to the equation:

x=\frac{-b\pm\sqrt[]{b^2-4ac}}{2a}

From the given equation: a = 6, b = 7, c = 2

So,

\begin{gathered} x=\frac{-7\pm\sqrt[]{7^2-4\cdot6\cdot2}}{2\cdot6}=\frac{-7\pm\sqrt[]{1}}{12}=\frac{-7\pm1}{12} \\ x=\frac{-7-1}{12}=-\frac{8}{12}=-\frac{2}{3} \\ or,x=\frac{-7+1}{12}=-\frac{6}{12}=-\frac{1}{2} \end{gathered}

So, the answer will be option B) x = -1/2, -2/3

5 0
1 year ago
Suppose you have a chance of winning with a scratch-off lottery ticket. If you buy 3 tickets, what is the probability of winning
Dovator [93]
You would have a 1/9th of a chance i would assume. what are A,B,C and D?
8 0
3 years ago
Read 2 more answers
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