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3 years ago

Define a variable and write an inequality for the statement:

Mathematics

2 answers:

Rashid [163]3 years ago

8 0

Algebra course is the defined variable and the inequality is y=70x+b

BartSMP [9]3 years ago

6 0

The dependent variable is the test grade. the constant or control variable is the algebra A1 course. the independent variable is if the test score changes.

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Christian rented his books from the internet for a price represented by the equation below. Lela rented her books from the books

Aleks [24]

Could you add a image or message me the image, after you do that you can comment on this and I’ll come back to it.

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3 years ago

Help with this algebra question

choli [55]

If two lines are perpendicular, the slope of one of the lines is the negative reciprocal of the other. Since we know the slope for one of our lines, $2$ m lets find the other:
$m=- \frac{1}{2}$

Now, lets use the point-slope formula to complete the equation of our perpendicular line:
$y-y_{1}=m(x-x_{1})$
$y-5=- \frac{1}{2} (x-2)$
$y-5=- \frac{1}{2}x+1$
$y=- \frac{1}{2} x+6$

We can conclude that our perpendicular line is $y=- \frac{1}{2} x+6$

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4 years ago

Read 2 more answers

For which values of x is the expression x4 – 10x2 less than -9?

Julli [10]

$x^4-10x^2\ \textless \ -9\\
x^4-10x^2+9\ \textless \ 0\\
x^4-x^2-9x^2+9\ \textless \ 0\\
x^2(x^2-1)-9(x^2-1)\ \textless \ 0\\
(x^2-9)(x^2-1)\ \textless \ 0\\
(x-3)(x+3)(x-1)(x+1)\ \textless \ 0\\
x\in(-3,-1)\cup(1,3)
$

4 0

3 years ago

Read 2 more answers

When a figure is reflected, what will be different between the pre image and the image

Kaylis [27]

Answer:245

Step-by-step explanation:36354

8 0

4 years ago

Solve by factoring or finding square roots. 6x^2+9=-55x

miskamm [114]

Answer:

(6x + 1)(x + 9)

Step-by-step explanation:

6x^2 +9 = - 55x

6x^2 + 55x + 9 = 0

55 is a pretty big number compared to either 6 or 9. Not only that, but 6*9 = 54.

So the answer is going to depend on multiply 6x together with 9

(6x + __ ) ( x + 9)

Now what goes were the underline is?

You have 54x. You need but 1 more to get 55x. So a one must go where the underline is.

(6x + 1 )(x + 9) Answer

6 0

3 years ago