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jasenka [17]
3 years ago
5

NEED HELP ASAP‼️‼️Most states require students to pass an algebra course in order to graduate high school. Why do you this this

is? Explain why you agree or disagree with this requirement.
Mathematics
1 answer:
julia-pushkina [17]3 years ago
5 0

I think because the state wants people to have a certain amount of knowledge at least thats what i think

I dont agree with them because they teach us (in my opinion) unnecessary math like with a bunch of symbols which is just too much its all extra

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This graph represents a proportional relationship between the number of months, x, data is used on a cell phone and the total co
valentinak56 [21]

Answer:

The equation that represents the graph is y = 40x

The new equation would be y = 45x

Step-by-step explanation:

As y increases by 40, x increases by 1, so 40/1, or 40

New equation: $90 per 2 months, y = 90, x = 2, 90/2 = 45

3 0
2 years ago
Help<br> Find the lateral area of this cone.<br> Round to the nearest tenth.
nata0808 [166]

Answer:

233.5 in²

Step-by-step explanation:

First we have to find the slant height.

5²+14²=c²

25+196=c²

221=c²

c=14.866

Now we can find the lateral area.

\pirl

\pi(5)(14.866)

=233.51566

To the nearest tenth=

233.5 in²

3 0
3 years ago
Read 2 more answers
The probability density function of the time you arrive at a terminal (in minutes after 8:00 A.M.) is f(x) = 0.1 exp(−0.1x) for
Blababa [14]

f_X(x)=\begin{cases}0.1e^{-0.1x}&\text{for }x>0\\0&\text{otherwise}\end{cases}

a. 9:00 AM is the 60 minute mark:

f_X(60)=0.1e^{-0.1\cdot60}\approx0.000248

b. 8:15 and 8:30 AM are the 15 and 30 minute marks, respectively. The probability of arriving at some point between them is

\displaystyle\int_{15}^{30}f_X(x)\,\mathrm dx\approx0.173

c. The probability of arriving on any given day before 8:40 AM (the 40 minute mark) is

\displaystyle\int_0^{40}f_X(x)\,\mathrm dx\approx0.982

The probability of doing so for at least 2 of 5 days is

\displaystyle\sum_{n=2}^5\binom5n(0.982)^n(1-0.982)^{5-n}\approx1

i.e. you're virtually guaranteed to arrive within the first 40 minutes at least twice.

d. Integrate the PDF to obtain the CDF:

F_X(x)=\displaystyle\int_{-\infty}^xf_X(t)\,\mathrm dt=\begin{cases}0&\text{for }x

Then the desired probability is

F_X(30)-F_X(15)\approx0.950-0.777=0.173

7 0
3 years ago
19/24 as a decimal rounded to the nearest hundreths
Evgen [1.6K]

Answer:

0.79

Step-by-step explanation:

19 / 24 is 0.79166667

So it's 0.79

8 0
3 years ago
(HELP ASAP PLEASE)
vlada-n [284]

Answer:

for four copies the cost is $72

Step-by-step explanation:

52 + 5a = 24 + 12a

28 + 5a = 12a

28 = 7a

a = 4

52 + 20 = 72

for four copies the cost is $72

6 0
3 years ago
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