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2 years ago

Simplify the expression -(x - 7)

Mathematics

1 answer:

zloy xaker [14]2 years ago

4 0

Answer:

The answer to the question is -x+7.

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Rhonda has $13. She has one $5 bill, three $1 bills, and one other bill. Is a other bill a $1 bill or a $5 bill explain

morpeh [17]

Answer:

$5 bill

Step-by-step explanation:

If Rhonda has $13 and she has a $5 bill and 3 $1 bills, then she has

5 + 3(1) + x = 13

5 + 3 + x = 13

8 + x = 13

x = 5.

The last bill must be a $5 bill to equal the remaining $5.

8 0

2 years ago

Help!!! Choose the product . - 6p ^ 3 * (3p ^ 2 + 5p - 1)

Lunna [17]

Answer:

$-18p^{5} -30p^{4} +6p^{3}$

Step-by-step explanation:

$(-6p^{3} )(3p^2+5p-1)$

$(-6p^3)(3p^2)+(-6p^3)(5p)+(-6p^3)(-1)$

$-18p^{5} -30p^{4} +6p^{3}$

<em>hope this helps.....</em>

8 0

2 years ago

HELP ASAP PLS ASAP I ALSO NEED A STEP BY STEP EXPLANATION

Natali5045456 [20]

K=5
if you add 5 to f(x) it will move up five and become g(x)

5 0

2 years ago

Find the tangent line equation of the curve at the given point. Y=arcsin(7x) at the point where x=sqrt2/14

Mumz [18]

Answer:

$Y-\frac{\pi}{2} =\frac{\pi}{2} (x+\sqrt{\frac{1}{7}})$

Step-by-step explanation:

The equation of the curve is

$Y = sin^{-1}(7x)$

To find the equation of tangent we need to differentiate this equation w.r.t x

So, differentiating we get

$Y'=\frac{7}{\sqrt{1-49x^2} }$

This would give the slope of the tangent line at any given point of which x coordinate is known. In the present case it is $x = \sqrt{\frac{1}{7} }$

Then slope would accordingly be

$Y'=\frac{7}{\sqrt{1-49/49} }$

= ∞

For, $x = \sqrt{\frac{1}{7} }$ , $Y = sin^{-1}(7/7)= \pi/2$

Equation of tangent line, in the point slope form, would be $Y-\frac{\pi}{2} =\frac{\pi}{2} (x+\sqrt{\frac{1}{7}})$

4 0

2 years ago

What is the value of the expression when p=5?<br><br> -|-3p|

ivann1987 [24]

-|-3p|

-|-3(5)|
= -|-15|
= -(15)
= -15

The value of the expression when p = 5 is -15.

4 0

2 years ago

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