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3 years ago

Which are correct representations of the inequality...

Mathematics

1 answer:

KiRa [710]3 years ago

6 0

Answer:

$-6x+15$

Step-by-step explanation:

$-3(2x-5)$

Distribute.

$-6x+15$

Add 5x and subtract 15 on both sides.

$-6x-5x$

$-1x$

Multiply -1 on both sides.

$x>5$

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Which set of parametric equations represents the following function y=square root of x+3

Irina18 [472]

The given equation is:

$y= \sqrt{x+3}$

We have to find, which of the given set of parametric equations given in the options, result in the above equation:

The correct answer would be option A.

The equations in option A are:

$x(t) = 5t \\ 
y(t)= \sqrt{5t+3}$

From first equation we can see that 5t is equal to x. Using the value of 5th in second equation, we get the equation as:

$y= \sqrt{x+3}$

Therefore, the correct answer is option A

3 0

3 years ago

Answer choices: <br><br> A. 138,000 <br> B. 142,000 <br> C. 148,000 <br> D. 134,000

jolli1 [7]

Answer:

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3 years ago

A recent survey found that 65% of high school students were currently enrolled in a math class, 43% were currently enrolled in a

Bas_tet [7]

<h3>Answer: Choice A) 0.20</h3>

===================================================

Explanation:

Let's say there are 1000 students. The students must take math, science or they can take both simultaneously.

65% of them are in math. So there are 0.65*1000 = 650 math students.
43% are in science, leading to 0.43*1000 = 430 science students.
13% are in both so we have 0.13*1000 = 130 students who are in both.

Now onto the sentence that says "Suppose a high school student who is enrolled in a math class is selected at random"

This means we only focus on the 650 math students and ignore the 1000-650 = 350 students who aren't in math.

Of those 650 math students, 130 are also in science (since 130 are in both classes).

The probability we're after is therefore 130/650 = 0.20

4 0

3 years ago

Read 2 more answers

Angle 1 and Angle 2 are supplementary angles. Find x and the measure of Angle 1.

maks197457 [2]

Answer:

x=18

angle 1=102

good luck

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2 years ago

What is the line's slope?

yuradex [85]

Answer:

slope = -1/4

Step-by-step explanation:

(-2,5) to (-1,1)

4 0

2 years ago