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Sphinxa [80]
3 years ago
11

The point (1,−1) satisfies the inequality 40x−22y≤50.

Mathematics
1 answer:
Natalka [10]3 years ago
7 0

Không thảo mãn vì

44.1-22.(-1)=66

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PLEASE HELP FAST ASAP WILL GIVE BRAINLIEST <br> Find the value of AD.
boyakko [2]
It’s 13.4. pythagoras tells us a^2+b^2=c^2. 12 is a. 6 is b. both numbers squared do add up to 180 however sqroot that is 13.4
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3 years ago
The Florida Tourist Commission selected a random sample of 200 people that attended one or more concerts during the first weeken
Alina [70]

Answer:

0.8 or 80%

Step-by-step explanation:

Let A and B be the events

<em>A: “The concert goer went to Orlampa Skydome” </em>

<em>B: “The concert goer went to the Bithlo Megaplax” </em>

<em> </em>Then the probability P(A) that a concert goer went to Orlampa Skydome is

<em>P(A) = 120/200 = 0.6 </em>

Similarly,

<em> P(B) = 100/200 = 0.5 </em>

<em> </em>We are looking for P(A∪B), the probability that a concert goer went to Orlampa Skydome OR the Bithlo Megaplax.

We know that

P(A∪B) = P(A) + P(B) - P(A∩B)

but P(A∩B) is the likelihood that a concert goer went to Orlampa Skydome AND the Bithlo Megaplax.

Since the events are independent,  

<em> P(A∩B) = P(A)P(B) = 0.6*0.5 = 0.3 </em>

and

P(A∪B) = 0.6 +0.5 - 0.3 = 0.8 or 80%

6 0
3 years ago
Expand and reduce:<br> A = – 3 (5 x – 4)<br> B = (2 x – 8) (4 x – 7)
alina1380 [7]

Answer:

A

Step-by-step explanation:

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3 years ago
Circle O and circle P are congruent. Given that arc AB is congruent to arc DE, what can you conclude from the diagram?
wlad13 [49]

Answer:

Central angle is equal in both circles

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Step-by-step explanation:

We have been given the two circles which are congruent O and P.

Ab is congruent to DE

So, the central angle of two circles will be equal circles being congruent.

And the two triangles AOB and EPD are congruent

Radius of the congruent circle is equal

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And ∠BOA=∠DPE

By SAS property ΔAOB ≅ΔEPD


5 0
4 years ago
Find the solution of the system of equations.<br> - 7x – 4y = -44<br> 7x - 3y = 16
lys-0071 [83]

Answer:

{x,y} = {5,8}

Step-by-step explanation:

 [1]           7x-3y+5=16

 [2]           4y=3x+17

 

  [1]    7x - 3y = 11

  [2]    -3x + 4y = 17

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  [1]    19x/4 = 95/4

  [1]    19x = 95

// Solve equation [1] for the variable  x  

  [1]    19x = 95  

  [1]    x = 5  

// By now we know this much :

   x = 5

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// Use the  x  value to solve for  y  

   y = (3/4)(5)+17/4 = 8

6 0
4 years ago
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