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Elden [556K]
3 years ago
11

A line passes through (9,-8) and has a slope of negative 4/3

Mathematics
1 answer:
uranmaximum [27]3 years ago
6 0

Answer:

Step-by-step explanation:

Point slope form is: y-y1=m(x-x1) given point (x1,y1) and slope m

therefore the line is y+8 = (-4/3)(x-9)

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32 is 90% of what number?
spayn [35]

Answer:

\large\boxed{32\ is\ 90\%\ of\ 35\dfrac{5}{9}}

Step-by-step explanation:

<h3>METHOD 1:</h3>

\begin{array}{ccc}32&-&90\%\\\\x&-&100\%\end{array}\qquad\text{cross multiply}\\\\\\90x=3200\qquad\text{divide both sides by 90}\\\\x=\dfrac{3200}{90}\\\\x=\dfrac{320}{9}\\\\x=35\dfrac{5}{9}

<h3>METHOD 2:</h3>

\begin{array}{cccc}32&-&90\%&\text{divide both sides by 9}\\\\\dfrac{32}{9}&-&10\%\end{array}\\\\\\90\%+10\%=100\%\to32+\dfrac{32}{9}=32+3\dfrac{5}{9}=35\dfrac{5}{9}

3 0
3 years ago
Someone pls help me :)
klasskru [66]

1.

25%

.3 + .2 + .15 + .1 = .75

1.00 - .75 = .25

2.

120 students

There are 400 total students

.3 * 400 = 120

4.

tennis-

.1 * 400 = 40 students prefer tennis

football-

.25 * 400 = 100 students prefer football

140 students like football/tennis

5.

400 students

There are four quarters in a whole

.25% = 100

100 * 4 = 400

4 0
3 years ago
A bet in roulette has a probability of 18/38 of winning. If you win, you double your money. You can bet anywhere from $1 to $100
dalvyx [7]

b. Suppose you have $10, and are going to play until you go broke or have $30. What is your best strategy for playing? Explain using information you learned in this module's material, such as expected value

6 0
3 years ago
For what value(s) of k is the linear system consistent? (Enter your answers as a comma-separated list.)
AleksAgata [21]

Answer:

Step-by-step explanation:

Given

6x_1-9x_2=8

9x_1+kx_2=-1

The given system is AX=B can be represented by

\begin{bmatrix}6 &-9 \\ 9 & k\end{bmatrix}\begin{bmatrix}x_1\\ x_2\end{bmatrix}=\begin{bmatrix}8\\ -1\end{bmatrix}

The given system is consistent when determinant of A is not equal to zero

|A|

|A|=6k-(-81)=6k+81

k\neq \frac{-27}{2}

i.e. system is consistent for all value of k except k=\frac{-27}{2}

R-\frac{-27}{2}

                 

4 0
3 years ago
Read 2 more answers
Help pleaseeee pleaseeee pleaseeee
Murljashka [212]
We have the same workbook lol
The answer is
Drums: 2/4
milks 4/9
(unless your teacher wants it improper.)
4 0
3 years ago
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