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mr_godi [17]
3 years ago
14

9. What is (2x2 - 5x – 7) - (7x2 + 3) simplified?

Mathematics
1 answer:
AysviL [449]3 years ago
6 0

Answer:

The answer for this is -5x-20

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X=<br> A) 80<br> B) 90<br> C) 100
Sunny_sXe [5.5K]
X= A) 80 I believe you double 120 to 240 and divide by the 4 quarters.
6 0
4 years ago
Read 2 more answers
If the random variable x has a uniform distribution between 40 and 50, then p(35 ≤ x ≤ 45) is:
Dvinal [7]
\mathbb P(35\le X\le45)=\mathbb P(X\le45)-\mathbb P(X\le35)=F_X(45)-F_X(35)

where F_X(x) is the cumulative distribution function of X. We have probability density given by

f_X(x)=\begin{cases}\frac1{10}&\text{for }40\le x\le50\\\\0&\text{otherwise}\end{cases}

which yields the CDF

F_X(x)=\begin{cases}0&\text{for }x

and so

\mathbb P(35\le X\le45)=\dfrac{45-40}{10}-0=\dfrac12
7 0
4 years ago
Convert 0xBAD into a decimal number
a_sh-v [17]
0\text{xBAD}=11(16)^2+10(16)^1+13(16)^0=2816+160+13=2989_{10}
5 0
3 years ago
A bag contains 150 marbles. Some are blue, and the rest are white. There are 21 blue marbles for every 4 white marbles. How many
Soloha48 [4]

Answer:

126

Step-by-step explanation:

21 + 4 = 25  (blue plus white marbles)

150/25 = 6 (all the marbles divided by how many we know are white and blue)

21 x 6 = 126  

5 0
3 years ago
3x=12-2y write in standard form
klio [65]
Standard form is y = mx + b.

So,

3x = 12 - 2y
+ 2y     + 2y

3x + 2y = 12
-3x         - 3x

2y = -3x + 12
---     ----   ----
 2       2      2

y = (-3/2)x + 6
6 0
4 years ago
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