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3 years ago

choose the equation of the horizontal line that passes through the point (−5, 1). y = −5 x = 1 y = 1 x = −5

Mathematics

1 answer:

crimeas [40]3 years ago

8 0

Horizontal line passing through (-5, 1) is y = 1

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Solving proportion 10\8=n\10

Zanzabum

$\frac { 10 }{ 8 } =\frac { n }{ 10 } \\ \\ 10\cdot \frac { 10 }{ 8 } =\frac { n }{ 10 } \cdot 10\\ \\ \frac { 100 }{ 8 } =n$

$\\ \\ n=\frac { 4\cdot 25 }{ 4\cdot 2 } \\ \\ \therefore \quad n=\frac { 25 }{ 2 }$

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3 years ago

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Order the integers {0, |-20|, -3, 19, -13} from least to greatest

tatiyna

Answer:

-20, -13, -3 0, 19

Step-by-step explanation:

With negative the higher the number the lower the value

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3 years ago

Emma ran 3 miles in 28 minutes. How long would it take her to run 6 miles

gayaneshka [121]

Answer:

56 minutes

Step-by-step explanation:

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3 years ago

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Is x=4 a solution to the equation 6=x+2? Is it a solution to the inequality 2x≥9?

jek_recluse [69]

Answer:

Is x = 4 a solution to the equation 6 = x + 2? YES

Is x = 4 a solution to the inequality 2x ≥ 9? NO

Step-by-step explanation:

Is x = 4 a solution to the equation 6 = x + 2? YES

we cans solve the equation 6=x+2 by clearing for x:

6 = x + 2

we move the +2 on the right as a -2 to the left:

6 - 2 = x

4 = x

this way we find that indeed x = 4 is a solution to 6 = x + 2.

Is x = 4 a solution to the inequality 2x ≥ 9? NO

Let's solve the inequality by clearing for x:

2x ≥ 9

we move the 2 that is multiplying on the left to divide on the right side:

x ≥ 9/2

x ≥ 4.5 ⇒ <u>x must be greater than or equal to 4.5</u>

thus, <u>4 is not a solution to the inequality</u> because 4 is less than 4.5

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3 years ago

When you ARE NOT given the vertex from a graph, how do you find the k value?

Simora [160]

Answer:

$f( - \frac{b}{2a} )$

Step-by-step explanation:

When you not given the vertex form, the you are given the standard form:

$f(x) = a {x}^{2} + bx + c$

The value of k, is the y-value of the vertex of the function.

To find the value of k, you plug in

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

In order works, you evaluate

$f( - \frac{b}{2a} )$

This will give you the k-value

5 0

3 years ago