3 years ago

If f(x) = -1, solve for x.

Mathematics

1 answer:

weeeeeb [17]3 years ago

3 0

Answer:

No solution.

Explanation:

The roots (zeros) are the x values where the graph intersects the x-axis. To find the roots (zeros), replace f(x) with 0 and solve for x.

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3-5 = 4a - 7(1 - 5a)

Semmy [17]

Answer:

a = 5/39

Step-by-step explanation:

We assume you want to solve the equation for "a".

-2 = 4a -7 +35a . . . . simplify

5 = 39a . . . . . . . . . . add 7

5/39 = a . . . . . . . . . divide by the coefficient of a

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3 years ago

If y varies directly as x and y = 24 when<br> x= 16, what is y when x = 50?

mars1129 [50]

Answer:

$y = 75$

Step-by-step explanation:

Given

$y\ \alpha\ \ x$

$y=24; x =16$

Required

Find y when $x = 50$

We have:

$y\ \alpha\ \ x$

Express as equation

$y = kx$

Solve for k

$k = \frac{y}{x}$

When $y=24; x =16$

$k = \frac{24}{16}$

$k = \frac{3}{2}$

When $x = 50$ , we have:

$y = kx$

$y = \frac{3}{2} * 50$

$y = 75$

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3 years ago

HELP me please I'm stuck!!?.

SIZIF [17.4K]

Answer:

Step-by-step explanation:

Hope this helped!

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3 years ago

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ASAP! GIVING BRAINLIEST! Please read question 10 THEN answer correctly! No guessing.

o-na [289]

Answer:

x=35

Step-by-step explanation:

62+2x+(x+13)=180

62+2x+x+13=180

3x+75=180

3x=180-75

3x=105

x=35

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3 years ago

A salesperson at a jewelry store earns 3% commission each week. Last week, Heidi sold $750

vampirchik [111]

She made $22.5 of commission

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