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4 years ago

PLS SOMEONE HELP ME PLSSS I NEED HELP DESPERATELY

Mathematics

1 answer:

Marysya12 [62]4 years ago

6 0

A. slope= 3/7 x-intercept= -10 y-intercept= 30/7
b. slope= 3 x-intercept= -2/3 y-intercept= 2

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A boiler has five identical relief valves. the probability that any particular valve will open on demand is .95. assuming indepe

Marysya12 [62]

To calculate P(at least one valve opens), we can find 1 - p(no valves open).
This is equal to 1 - (0.05)^5, or 0.9999996875.
P(at least one valve fails to open) is equal to 1 - p(all valves open and none fail). This is 1 - (0.95)^5, or 0.2262190625.

7 0

3 years ago

Read 2 more answers

PLEASE ANSWER THIS ASAP !!!!! ( turn sideways )

Maslowich

Answer:

y = 1/2x

Step-by-step explanation:

y-intercept is (0, 0)

pick any point, let's say (-4, -1). Let's apply rise over run, rise up 2 points then run 4 points over to arrive at (4, 1). So, your slope is 2/4 which simplify to 1/2.

Equation of line:

y = mx + b

m is your slope

b is y-intercept

y = 1/2x + 0 same as y = 1/2x

4 0

3 years ago

Andrea multiplied 6.75 x 10^6 and 0.2 x 10^6 and got 6.95 x 10^6. explain Andrea’s mistake and give the correct answer

Dvinal [7]

Answer:

Correct answer = $1.35\times10^{12}$

Step-by-step explanation:

Given:

Andrea multiplied 6.75 x 10^6 and 0.2 x 10^6 and got 6.95 x 10^6.

Question asked:

Explain Andrea’s mistake and give the correct answer.

Solution:

The above question is of exponential question:

Here Andrea simply added 6.75 to 0.2 and got 6.95 and took 10^6 as common and written down wholly 6.95 x 10^6 which is incorrect.

Here we multiply 6.75 to 0.2 and get 1.35 and secondly to multiply 10^6 with 10^6 we have to understand the rule of exponents:-

As we know:

$a^{m} \times a^{n} =a^{m+n}$

$Similarly,\ 10^{6} \times 10^{6}=10^{6+6}=10^{12}$

Hence when we multiplied 6.75 x 10^6 and 0.2 x 10^6 originally we got $1.35\times10^{12}$

4 0

3 years ago

Please help me out with this i only have a couple more hours to turn this in please

Alborosie

Answer:

H = (1,4)

I = (-4,2)

J = (2,-3)

8 0

3 years ago

Read 2 more answers

Any help would be nice

marin [14]

Answer:

wwwiiitttthhhhh?????????????

8 0

3 years ago