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Lelu [443]
3 years ago
11

Enter the value of x so that the expression (1.8a−5.7)+(xa+3.2) is equivalent to −1.6a+2.5.

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
3 0

Answer:

Step-by-step explanation:

ax+1.8a−2.5

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48/root 3 + 45/root 3​
faust18 [17]

Answer:

31√3

Step-by-step explanation:

48√3 + 45/√3 since the base is same we can add the terms up 93√3

➡ 93/√3 × √3/√3 = 93√3/3 ➡ 31√3

6 0
4 years ago
Which is the best approximation for the value 140
zzz [600]
140 is a composite number. Factor pairs: 140 = 1 x 140, 2 x 70, 4 x 35, 5 x 28, 7 x 20, 10 x 14. Factors of 140: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140. Prime factorization: 140 = 2 x 2 x 5 x 7, which can also be written 140 = 2² x 5 x 7
4 0
3 years ago
Use the calculator to graph the function y = 2x2 25x + 3. What are the coordinates of the turning point of the graph to the near
professor190 [17]

The coordinates of the turning point of the graph of the quadratic equation is given by: (-6.25, -75.13).

<h3>What is the vertex of a quadratic equation?</h3>

A quadratic equation is modeled by:

y = ax^2 + bx + c

The vertex is given by:

(x_v, y_v)

In which:

  • x_v = -\frac{b}{2a}
  • y_v = -\frac{b^2 - 4ac}{4a}

In this problem, the function is given by:

y = 2x² + 25x + 3.

Hence the coefficients are a = 2, b = 25, c = 3, then the coordinates of the vertex are given as follows:

  • x_v = -\frac{25}{2(2)} = -6.25
  • y_v = -\frac{25^2 - 4(2)(3)}{4(2)} = -75.13

The coordinates of the turning point of the graph of the quadratic equation is given by: (-6.25, -75.13).

More can be learned about the quadratic functions at brainly.com/question/24737967

#SPJ1

5 0
2 years ago
Hey can someone be nice enough to help me
BaLLatris [955]

Answer:true

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Which eqation is equivalent to 3x + 4y = 15
liubo4ka [24]

Answer:

y=\frac{15-3x}{4}

Step-by-step explanation:

Here we are given an equation in x and y and we are required to solve it for y

we have

3x+4y=15

subtracting 3x from each sides we get

3x-3x+4y=15-3x

4y=15-3x

now we divide both sides by 4 we get

\frac{4y{4}=\frac{15-3x}{4}

y=\frac{15-3x}{4}

Hence A) is our right answer.

6 0
4 years ago
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