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3 years ago

Simplify − 11 50 (1.32 + 0.48). Give your answer as a decimal. − 11 50 (1.32 + 0.48) − 11 50 (1.8) −0.22(1.8)

Mathematics

2 answers:

vekshin13 years ago

8 0

Answer:

-.396

Step-by-step explanation:

deff fn [24]3 years ago

4 0

Given expression: − 11.50 (1.32 + 0.48).

We need to simplify it and get the answer in decimals.

Note: In order to simplify above given expression, we need to apply order to operations.

According to order to operations, we need to simplify parenthesis first.

So, we need to add 1.32 + 0.48 first.

1.32 + 0.48 = 1.80.

So, − 11.50 (1.32 + 0.48) would become -11.50(1.80).

Now, we need to multiply -11.50 by 1.80.

-11.50(1.80) = -20.7.

<h3>Therefore, final answer is -20.7.</h3>

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At the end of a recent WNBA regular season, the Phoenix murmur had 12 more victories than losses. The number of victories they h

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Answer:

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Step-by-step explanation:

let the number of losses be $l$

let the number of victories be $v$

<u>the Phoenix murmur had 12 more victories than losses:</u>

$v=l+12$

<u>The number of victories they had was one more than two times the number of losses:</u>

$v=2l+1$

<em>We have 2 expressions for $v$ , equating these 2, we can solve for $l$ :</em>

$l+12=2l+1\\12-1=2l-l\\11=l$

So 11 games, they lost.

Using this value, we can plug into the 1st equation to solve for v:

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So 23 games, they won.

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2 years ago

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Identify the vertex, the axis of symmetry, the maximum or minimum value, and the range of the parabola for y=x^2+6x+13

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Answer:

Step-by-step explanation:

First we can determine the x value of our vertex via the equation:

$x=\frac{-b}{2a}$

Note that in general a quadratic equation is such that:

$ax^2+bx+c$

In this case a,b and c are the coefficients and so a=1, b=6 and c=13.

Therefore we can determine the x component of the vertex by plugging in the values known and so:

$x=\frac{-b}{2a}=\frac{-6}{2(1)}=\frac{-6}{2}=-3$

Now we can determine the y-component of our vertex by plugging in the x-component to the equation and so:

$f(x)=x^2+6x+13\\\\f(-3)=(-3)^2+6(-3)+13\\\\f(-3)=4$

Therefore our vertex is (-3,4). Now in vertex our x component determines is the axis of symmetry so the equation for axis of symmetry is:

x=-3

Similarly, the y-component of our vertex is the minimum or maximum. In this case it is the minimum you can determine this because a is positive meaning that the parabola will point up, and so the equation for the minimum is:

y=4

The range of the formula is the smallest y-value meaning the minimum y=4 and all real numbers that are more than 4, mathematically:

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2 years ago