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Charra [1.4K]
4 years ago
9

Simplify negative 4 and 1 over 4 − negative 9 and 1 over 2.

Mathematics
1 answer:
N76 [4]4 years ago
6 0

-4 1/4 - (-9 1/2) = -4 1/4 + 9 1/2 = (9 - 4) + (1/2 - 1/4) = 5 1/4

In your terms, the 4th selection is the one you want.

... 5 and 1 over 4

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Proportions, assist me please! ​
Anit [1.1K]

Step-by-step explanation:

w =  \frac{1}{2}  {x}^{2} y \\ (2)w =  \frac{1}{2}  {x}^{2} y(2) \\ 2w =  {x}^{2} y \\  \frac{2w}{ {x}^{2} }  =   \frac{{x}^{2} y}{ {x}^{2} } \\ \frac{2w}{ {x}^{2} } = y

<h3>Answer:</h3>

y =  \frac{2x}{ {x}^{2} }  \\

6 0
3 years ago
What is the answer to 5(1 + 5n)
mario62 [17]

Answer: 5 + 25n

Explanation: Let's simplify this problem using the distributive property.

In this problem, the 5 "distributes" through the parentheses which means that it multiplies by each of the terms inside.

So we have 5(1) + 5(5n) which simplifies to 5 + 25n.

3 0
3 years ago
Which of the following equations matches the function shown above?
Ksenya-84 [330]

So, the function is obviously shifted up by 1 so it rules out A and B, and we also see that the period is 4pi rather than 2pi, and using the fact that:

\frac{2\pi}{b}=4\pi \implies \frac{b}{2\pi}=\frac{1}{4\pi}\implies b=\frac{1}{2}

Now that we know our b value, we see that the correct answer would be C.

3 0
3 years ago
Let u = &lt;-3, -5&gt;, v = &lt;-3, 1&gt;. Find u + v. (1 point)
Margaret [11]

You sum two vectors by summing the correspondent coordinates:

u=(u_x, u_y),\ v=(v_x, v_y) \implies u+v = (u_x+v_x, u_y+u_y)

So, you have

(-3,-5)+(-3,1) = (-3-3, -5+1)=(-6, -4)

7 0
3 years ago
Which statement describes the function y = axn when a = 1 and n is odd?
kiruha [24]

Answer:

The graph is symmetric about the origin.

The graph does not pass through the origin.

Step-by-step explanation:

We're given:

  • the function y=axn
  • a = 1
  • n is odd

Because a = 1, then the given function can be rewritten as y = n.

  • The graph opens down

The function y = n will produce a horizontal line. Any function in the form of y = a single number, such as 4 or 9.3 will produce a horizontal line.

  • The graph is symmetric about the origin.

This is true, given the graph is a horizontal line.

  • The graph does not pass through the origin.

This is also true. We're given that n is an odd number. The graph will only pass through the origin if n = 0, and 0 is even.

  • The graph has more than one x-intercept.

This would only be true when n = 0, and this isn't possible. So, no.

4 0
3 years ago
Read 2 more answers
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