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3 years ago

15

What 2+2=4 or 4762n plus 234088307

2 answers:

Semenov [28]3 years ago

3 0

234093069 I just added <span> 234088307 and 4762</span>

Solnce55 [7]3 years ago

3 0

Answer:

the answer is 234093073

Step-by-step explanation:

i added all the numbers together..

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If y=2x+7 were changed to y=5x+7 how would the graph of the new function compare with the original?

creativ13 [48]

Answer:

If y=2x+7 were changed to y=5x+7, then the graph of the new function would be steeper than the graph of the original function. On the other hand, the y-intercept would be unchanged; ( 0, 7)

Step-by-step explanation:

If y=2x+7 were changed to y=5x+7, then the graph of the new function would be steeper than the graph of the original function. On the other hand, the y-intercept would be unchanged; ( 0, 7)

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3 years ago

Write each fraction or mixed number as a decimal. 2/5

Mekhanik [1.2K]

Answer:

2 / 5 = 0.4

1 / 5 = 0.2

3 / 4 = 0.75

3 / 5 = 0.6

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3 years ago

25. Save the simultaneous equations 2x-y=4;x+y=5

Gnoma [55]

Answer:

Step-by-step explanation:

2x-y=4 ..........(1)

x+y=5 ...........(2)

<u>Add equation 1 and 2:</u>

We get:

3x=9

x=9/3

x=3

Substitute value of x in (2):

x+y=5

3+y=5

y=5-3

y=2

(3,2)

8 0

3 years ago

A man spends 2/7 of his $1900 salary on loans. How much many remain with him?

Alex17521 [72]

Answer:

$1357.14

Step-by-step explanation:

Given that 2/7 of his Salary is on loans

2/7(1900) = 542.86

Remaining amount = $1900-$542.86 = $1357.14

4 0

3 years ago

In an assembly-line production of industrial robots, gearbox assemblies can be installed in one minute each if holes have been p

Illusion [34]

Answer:

The right answer is:

(a) 0.1456

(b) 18.125, 69.1202, 8.3139

Step-by-step explanation:

Given:

N = 24

n = 5

r = 7

The improperly drilled gearboxes "X".

then,

⇒ $P(X) = \frac{\binom{7}{x} \binom {17}{5-x}}{\binom{24}{5}}$

(a)

P (all gearboxes fit properly) = $P(x=0)$

= $\frac{\binom{7}{0} \binom{17}{5}}{\binom{24}{5}}$

= $0.1456$

(b)

According to the question,

$X = 91+5$

Mean will be:

⇒ $\mu = E(x)$

$=E(91+5)$

$=9E(1)+5$

$=9.\frac{nr}{N}+5$

$=9.\frac{5.7}{24} +5$

$=18.125$

Variance will be:

⇒ $\sigma^2=Var(X)$

$=V(9Y+5)$

$=81.V(Y)$

$=81.n.\frac{r}{N}.\frac{N-r}{N}.\frac{N-n}{N-1}$

$=81.5.\frac{7}{24}.\frac{24-7}{24}.\frac{24-5}{24-1}$

$=69.1202$

Standard deviation will be:

⇒ $\sigma = \sqrt{69.1202}$

$=8.3139$

8 0

4 years ago