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frutty [35]
3 years ago
13

What’s the probability of p(7)

Mathematics
1 answer:
Marrrta [24]3 years ago
7 0

Answer:

The question not complete

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Th inequality 6-2/3x9<br> B. x&lt;9<br> C. x&gt;-3/5<br> D. x&lt;-3/5
Delvig [45]
Is there an a choice ? Or are those all the choices, just making sure
5 0
3 years ago
3x+7-6=(8/7)-0<br>Value of x?​
ArbitrLikvidat [17]

Answer:

\boxed{\sf x = \dfrac{1}{21}}

Explanation:

\rightarrow \sf 3x+7-6= \dfrac{8}{7}  - 0

simplify the following

\rightarrow \sf 3x+1= \dfrac{8}{7}

subtract 1 from both sides

\rightarrow \sf 3x+ 1 -1= \dfrac{8}{7}   - 1

simplify the following

\rightarrow \sf 3x= \dfrac{1}{7}

multiply both sides by 1/3

\rightarrow \sf 3x \cdot \dfrac{1}{3}= \dfrac{1}{7}\cdot \dfrac{1}{3}

simplify the following

\rightarrow \sf x = \dfrac{1}{21}

5 0
2 years ago
Read 2 more answers
Y=x^2 -9x at x = 4 Find an equation of the tangent an an equation of the normal
Montano1993 [528]

The tangent line to <em>y</em> = <em>f(x)</em> at a point (<em>a</em>, <em>f(a)</em> ) has slope d<em>y</em>/d<em>x</em> at <em>x</em> = <em>a</em>. So first compute the derivative:

<em>y</em> = <em>x</em>² - 9<em>x</em>   →   d<em>y</em>/d<em>x</em> = 2<em>x</em> - 9

When <em>x</em> = 4, the function takes on a value of

<em>y</em> = 4² - 9•4 = -20

and the derivative is

d<em>y</em>/d<em>x</em> (4) = 2•4 - 9 = -1

Then use the point-slope formula to get the equation of the tangent line:

<em>y</em> - (-20) = -1 (<em>x</em> - 4)

<em>y</em> + 20 = -<em>x</em> + 4

<em>y</em> = -<em>x</em> - 24

The normal line is perpendicular to the tangent, so its slope is -1/(-1) = 1. It passes through the same point, so its equation is

<em>y</em> - (-20) = 1 (<em>x</em> - 4)

<em>y</em> + 20 = <em>x</em> - 4

<em>y</em> = <em>x</em> - 24

3 0
3 years ago
Marilyn purchased a book that had a regular price of $19. She used a coupon that reduced the regular price by 15%. Sales tax for
Alika [10]

Answer:

2.80

Step-by-step explanation:

The discount is the regular price times the discount

discount = 19 *15%

discount = 2.85

The new price is the regular price minus the discount

new price = 19-2.85

                 =16.15

Now she has to pay the sales tax

tax = new price * tax rate

tax= 16.15 * 6.5%

     = 16.15 *.065

       =1.05

We add the tax to the new price to get the final price

final price = new price+tax

                = 16.15 +1.05

                =17.20

She pays with a 20 dollar bill

Change = payment - final price

              =20.00 - 17.20

              = 2.80

4 0
2 years ago
A triangle has two sides of lengths 6 and 9
romanna [79]

Answer:

3rd side length can being choice B. 4 ,C. 7,F. 10,  E. 12,

Step-by-step explanation:

brainly.com/question/1451975

6 0
3 years ago
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