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kkurt [141]
3 years ago
14

Twice a number is 12 more than 5 times the number.

Mathematics
1 answer:
stira [4]3 years ago
5 0

Answer:

  • -4

Step-by-step explanation:

<u>Let the number be x:</u>

  • 2x = 5x + 12
  • 2x - 5x = 12
  • -3x = 12
  • x = -4

It is -4

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At the end of her work day, Rosa leaves her office and goes directly to her bank. On the graph that shows the locations of Rosa'
ikadub [295]
Find the distance between the point of bank and the point of office.

\sqrt{(x2 - x1)^{2}+ (y2 - y1)^{2}}
\sqrt{(-4 - (-6)^2 + (4 - (-3)^2}
\sqrt{(2)^2 + (7)^2}
\sqrt{4 + 49}
\sqrt{53}


The distance she travels is approximately 7.3 km.

Hope this helps :)
7 0
3 years ago
One zero of f(x)=x^3-2x^2-5+6 is 1 what are the other zeros of the function
noname [10]

Answer:

the other zeros of this function are {-2, 3}

Step-by-step explanation:

Use synthetic division to find the roots.  The coefficients of this cubic function are 1, -2, -5, 6, and we begin by using 1 as our first divisor:

1    /    1    -2    -5    6

               +1      -1    -6

    --------------------------

         1     -1       -6    0

Because the remainder is zero (0), we can conclude that 1 is indeed a root of the given polynomial.  The quotient is 1x^2  - 1x  - 6, whose roots can be found either through synthetic division or factoring.  In this case the factors are (x - 3) and (x + 2), so the other zeros of this function are {-2, 3}.

8 0
3 years ago
Which expression is equivalent to 14x − 7 + 3(2x − 5)?
g100num [7]

Answer:

This equation is equivalent to 20x-22

\mathrm{Expand}\:3\left(2x-5\right):\quad 6x-15\\=14x-7+6x-15\\\mathrm{Simplify}\:14x-7+6x-15:\quad 20x-22\\=20x-22

<em>Hope this helps and have a great day!</em>

<em />

7 0
4 years ago
The sum of the heights of a giraffe and a baby giraffe is 15m. If the baby giraffe has a height which is 2/3 that of the giraffe
EleoNora [17]

mama giraffe: x

baby giraffe: \frac{2}{3} x

x + \frac{2}{3}x = 15

(3)x + (3)\frac{2}{3}x = (3)15

3x + 2x = 45

5x = 45

x = 9

baby giraffe: \frac{2}{3} x = \frac{2}{3}(9) = 2(3) = 6

Answer: 6 m

8 0
3 years ago
Read 2 more answers
What is the answer for 3x=x+8
liraira [26]

Answer:

X = 4 pls mark me brainliest

7 0
3 years ago
Read 2 more answers
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