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Paul [167]
3 years ago
9

Se x e um número real tal que 3x +1/2 > 2x - 5, então podemos afirmar que;

Mathematics
1 answer:
Crazy boy [7]3 years ago
7 0

Step-by-step explanation:

3x +  \frac{1}{2}  > 2x - 5 \\ x  >  - 5 \frac{1}{5}

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What is the exact value of BC?<br>A. 3.16<br>B. 5\|2<br>C. 7.07<br>D. 25<br>​
Natalija [7]

Answer:

C. \:  \:  7.07

Step-by-step explanation:

Coordinates of B are

(5,5)

Coordinates of C are

(4, - 2)

Distance between two points

\sqrt{({x_2 - x _1 {)}^{2} + (y_2 - y_1 {)}^{2} }}

Distance of BC

\sqrt{(4 - 5) {}^{2} + (  - 2   - 5 {)}^{2}  }

\sqrt{ { (- 1}^{2})  +  ({ - 7}^{2}) }

\sqrt{1 +49 }

\sqrt{50}

7.07

3 0
2 years ago
Assume there are 3.5 billion Internet users worldwide and 900 million of
ExtremeBDS [4]
Write out the numbers fully and divide the users in Europe by the total number of people. Multiply by 100 to get it in percentage terms

3 0
2 years ago
Two pounds of grapes cost $6.
velikii [3]

Answer:

leftmost empty cell: ⅓

rightmost empty cell: 3

Step-by-step explanation:

✔️If 2 pounds grapes cost $6, then x pounds of grapes cost $1.

Thus;

2 : 6 = x : 1

2/6 = x/1

Multiply both sides by

²/6 × 1 = x/1 × 1

²/6 = x

¹/3 = x

x = ⅓

✔️If 2 pounds grapes cost $6, then 1 pound of grapes cost $x.

Thus;

2 : 6 = 1 : x

²/6 = ¹/x

Cross multiply

2x = 6

Divide both sides by 2

2x/2 = ⁶/2

x = 3

7 0
3 years ago
Tony’s class needs more than $500 for the school dance. So far, they have raised $200. They plan to have a car wash, charging $8
Orlov [11]

Answer: no Tony is not correct It is less than 5 hundred dollars.

Step-by-step explanation: 8×37=296 +200 = 496

4 0
3 years ago
Read 2 more answers
Drag the expressions to the correct functions. Not all expressions will be used. Consider the functions f and g. f(x)=4x^2+1 g(x
bagirrra123 [75]

Answer:

(f o g)(x) = 4x⁴ - 96x + 37

(g o f)(x) = 16x⁴ + 8x² - 2

Step-by-step explanation:

Since, the given functions are,

f(x) = 4x² + 1

g(x) = x² - 3

(f o g)(x) = f[g(x)]

f[g(x)] = 4(x² - 3)² + 1

         = 4(x⁴ - 24x + 9) + 1

         = 4x⁴ - 96x + 36 + 1

         = 4x⁴ - 96x + 37

(g o f)(x) = g[f(x)]

             = (4x² + 1)²- 3

             = 16x⁴ + 8x² + 1 - 3

             = 16x⁴ + 8x² - 2

Therefore, out of the given options only two expressions are correct.              

5 0
3 years ago
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