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2 years ago

Plisss to na dzisiaj

Mathematics

1 answer:

CaHeK987 [17]2 years ago

6 0

I’m sorry i don’t know the answer but i need to ask another question but i gave up answer a question first sorry

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How do I prove 7 ÷ 2 is equivalent to 7/2

lora16 [44]

Say that that mean the same thing just written in a different way to show that just answer the question using both ways

4 0

2 years ago

Read 2 more answers

Find the surface area of the prism

AfilCa [17]

Answer:

156 $in^2$

Step-by-step explanation:

find the areas of all the faces and add them up

area of a rectangle: $bh$

area of a trapezoid: $\frac{1}{2} (b_1 + b_2)(h)$

$(5*3)+(6*3)+(5*3)+(3*12)+2(\frac{1}{2}*(6+12)*4) \\=15+18+15+36+2(\frac{1}{2}*18*4)\\=84+2(36)\\=156$

the area of the trapezoid is multiplied by 2 because there's a top and bottom

4 0

2 years ago

What is the equation of the line that passes through the point 7,-3 and has a slope of -5

Oksana_A [137]

So i’m not sure about this but you would do the y=mx+b form and then since slope = m it would be y=-5x+b and then you would plug 7 and -3 for y and x and then you would get 7=-5-3=b and then solve for b

4 0

2 years ago

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The space shuttle flight control system called PASS (Primary Avionics Software Set) uses four independent computers working in p

tigry1 [53]

Answer:

$f_X(k)=\binom{4}{k}0.003^k0.997^{4-k}$

Step-by-step explanation:

Recall that a <em>probability mass function</em> defined on a discrete random variable X is just a function that gives the probability that the random variable equals a certain value k

$f_X(k)=P(X=k)$

In this case we have the event

“The computer will ask for a roll to the left when a roll to the right is appropriate” with a probability of 0.003.

Then we have 2 possible events, either the computer is right or not.

Since we have 4 computers in parallel, the situation could be modeled with a binomial distribution and the probability mass function

$f_X(k)=\binom{4}{k}0.003^k0.997^{4-k}$

This gives the probability that k computers are wrong at the same time.

6 0

2 years ago

write the formula for absolute value function if its graph has the vertex at point (0,6) and passes through the point (-1,-2)

Readme [11.4K]

Answer:

First you need to find the slope of the line:

m=6-(-2) / (-1)-0 =-8

equation of line is:

y=mx+b

y=-8x+6

for absolute value function:

if x<0

y=-8x+6

if x>0

y=+8x-6

Step-by-step explanation:

8 0

1 year ago