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3 years ago

Pls helpp i dont get it cuz i wasnt listing -_-

Mathematics

1 answer:

Mars2501 [29]3 years ago

7 0

Answer: 54 inches

Step-by-step explanation:

Let's take the equation for the area of a right triangle

$A=\frac{a*b}{2} \\\\A=\frac{12*9}{2} \\\\A=\frac{108}{2}\\\\A=54$

A=a*b/2

A=12*9/2

A=108/2

A=54

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Help me please with the steps on how you can find the number of solutions or zeros with these questions!

arsen [322]

Answer:

2x²+5x-9=0

using quadratic formula

a=2 b=5 c=-9

x=[-5±√5²-4(2)(-9)]/2(2)

x=[-5±√97]/4

the zeros are( -5±√97)/4

6 0

3 years ago

Can someone solve what is n/n^3

emmasim [6.3K]

Answer:

Alex = No B.

Step-by-step explanation:

1) Use Quotient Rule: $\frac{x^{a} }{x^{b} } =x^{a-b}$

$n^{1-3}$

2) Simplify 1 - 3 = 2

$n^{-2}$

3) Use Negative Power Rule: $x^{-a} =\frac{1}{x^{a} }$

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3 0

2 years ago

Find the Y-coordinate of point P that lies 1/3 along segment RS, where R (-7, -2) and S (2, 4).

QveST [7]

Solution:

Given that the point P lies 1/3 along the segment RS as shown below:

To find the y coordinate of the point P, since the point P lies on 1/3 along the segment RS, we have

$\begin{gathered} RP:PS \\ \Rightarrow\frac{1}{3}:\frac{2}{3} \\ thus,\text{ we have} \\ 1:2 \end{gathered}$

Using the section formula expressed as

$[\frac{mx_2+nx_1}{m+n},\frac{my_2+ny_1}{m+n}]$

In this case,

$\begin{gathered} m=1 \\ n=2 \end{gathered}$

where

$\begin{gathered} x_1=-7 \\ y_1=-2 \\ x_2=2 \\ y_2=4 \end{gathered}$

Thus, by substitution, we have

$\begin{gathered} [\frac{1(2)+2(-7)}{1+2},\frac{1(4)+2(-2)}{1+2}] \\ \Rightarrow[\frac{2-14}{3},\frac{4-4}{3}] \\ =[-4,\text{ 0\rbrack} \end{gathered}$

Hence, the y-coordinate of the point P is

$0$

8 0

1 year ago

At a grocery store salted peanuts in the Shell cost $0.30 per ounce is $5 enough money to buy one lb of peanuts if it is what am

Natasha_Volkova [10]

Yes it will be and there will be 50 cents over

4 0

3 years ago

Read 2 more answers

Given a set of data that is skewed right, there is at least ___% of the data within three standard deviations.

Mashcka [7]

Answer:

75%

Step-by-step explanation:

The right skewed data set means the data mostly lies in the right tail. There is majority of data present in the right tail of the data set. The mean, median and mod all are different for the rightly skewed data set.

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3 years ago