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Ilia_Sergeevich [38]
2 years ago
6

Can u help me on this one because my teacher did not show me how to do it 6+7 (8b+4)

Mathematics
2 answers:
Dahasolnce [82]2 years ago
8 0
First use the distributive property, then combine like terms.
6 + 7 (8b + 4) = 6 + 7(8b) + 7(4)
= 6 + 56b + 28
= (6 + 28) + 56b
= 34 + 56b
Ber [7]2 years ago
7 0
<span>6+7 (8b+4)

</span><span><span>6+<span><span>(7)</span><span>(<span>8b</span>)</span></span></span>+<span><span>(7)</span><span>(4<span>)
</span></span></span></span><span><span>6+<span>56b</span></span>+<span>28
</span></span>
<span>Combine Like Terms:
</span>
<span>6+<span>56b</span></span>+<span>28
</span>
<span>(<span>56b</span>)</span>+<span>(<span>6+28</span><span>)
</span></span>
answer: <span><span>56b</span>+<span>34</span></span>
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5 0
3 years ago
Una persona asegura que su casa tiene forma rectangular y que el perímetro de la misma es de 18 m y que además, su área es de 21
leva [86]

Considerando las fórmulas para el perímetro y el área de un rectángulo, hay que se chega en una <u>eccuación cuadrática sin solución</u>, o sea, las medidas no son posibles y la persona estaba mintiendo.

<h3>¿Cuál es la fórmula para el perímetro y el área de un rectángulo?</h3>

Considerando que las dimensiones son l y w, hay que:

  • El perímetro es: P = 2(l + w).
  • El área es: A = lw.

El <u>perímetro es de 18 m</u>, o sea:

2(l + w) = 18

l + w = 9

l = 9- w.

El <u>área es de 21 m²</u>, o sea:

lw = 21

(9- w)w = 21

-w² + 9 - 21 = 0

w² - 9w + 21 = 0

El discriminante es dado por:

D = 9² - 4 x 1 x 21 = -3.

El discriminante negativo implica que la <u>eccuación cuadrática no tiene solución</u>, o sea, las medidas no son posibles y la persona estaba mintiendo.

Puede-se aprender más a cerca de el perímetro y el área de un rectángulo en brainly.com/question/26475963

#SPJ1

4 0
1 year ago
Cooommmon guys help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!plz
Tom [10]

The point-slope form:

y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (5, -3) and (-2, 9). Substitute:

m=\dfrac{9-(-3)}{-2-5}=\dfrac{12}{-7}=-\dfrac{12}{7}\\\\y-(-3)=-\dfrac{12}{7}(x-5)\\\\\boxed{y+3=-\dfrac{12}{7}(x-5)}

5 0
3 years ago
Read 2 more answers
one x-intercept for a parabola is at the point (2, 0). use the quadratic formula to find the other x-intercept for the parabola
omeli [17]

Answer:

Step-by-step explanation:

There are 3 ways to find the other x intercept.

1) Polynomial Long Division.

Divide x^2 - 3x + 2 by the binomial x - 2, because by the Factor Theorem if a is a root of a polynomial then x - a is a factor of said polynomial.

2) Just solving for x when y = 0, by using the quadratic formula.

x^2 - 3x + 2 = 0\\x_{12} = \frac{3 \pm \sqrt{9 - 4(1)(2)}}{2} = \frac{3 \pm 1}{2} = 2, 1.

So the other x - intercept is at (1, 0)

3) Using Vietta's Theorem regarding the solutions of a quadratic

Namely, the sum of the solutions of a quadratic equation is equal to the quotient between the negative coefficient of the linear term divided by the coefficient of the quadratic term.

x_1 + x_2 = \frac{-b}{a}

And the product between the solutions of a quadratic equation is just the quotient between the constant term and the coefficient of the quadratic term.

x_1 \cdot x_2 = \frac{c}{a}

These relations between the solutions give us a brief idea of what the solutions should be like.

6 0
3 years ago
What is the prime factorization of 96?<br> 0 25.32<br> 25.3<br> 02.2.2.2.3<br> 8.12
Nina [5.8K]

Answer:

8.12

Step-by-step explanation:

we first multiply 8 by 12 and we will get 96 as our answer

7 0
3 years ago
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