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makkiz [27]
4 years ago
8

How do you solve 7 - x = -11 * EXTRA POINTS

Mathematics
2 answers:
monitta4 years ago
7 0

Answer:

X = -18

Step-by-step explanation:

7-18=-11

Wewaii [24]4 years ago
6 0
-11-7=-18
-X=-18
Change the signs
X=18
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The fifth term of an arithmetic sequence is 96. Which rule could define the sequence
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Manuel baked 30cookies.his family ate c them.using c, write an expression for the number of cookies that remained
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3 years ago
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1. Graph the six terms of a finite series where a1 = 5 and r = 1.25.
rodikova [14]
For the answer to the question above, asking to g<span>raph the six terms of a finite series where a1 = 5 and r = 1.25.
I'll provide the answer with the solutions below.
</span>a1 = 5 
<span>a2 = 5*r = 5*(5/4) = 25/4 </span>
<span>a3 = 5*r² = 5*(5/4)² = 125/16 </span>
<span>a4 = 5*r³ = 5*(5/4)³ = 625/256 </span>
<span>a5 = 5*r⁴ = 5*(5/4)⁴ = 3125/1024
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3 0
3 years ago
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The American Veterinary Association claims that the annual cost of medical care for dogs averages $100, with a standard deviatio
Tomtit [17]

Answer:

a)20$

b)46,1$

c)0,3336

d)No concerns

Step-by-step explanation:

A) To find expected difference of cost of medical care for dogs and cats we can simply subtract average costs of cats and dogs.

120-100=20

Expected difference will be 20$.

B) To find the standard deviation of that difference, we need to square deviations and add them and square root it again.

\sqrt{(30^2+35^2)} =46,1

Expected difference will be 46,1$.

C)We need to find the Z value to find the probability of more expensive dogs than cats in a Vet vise.Z=(0-20)/46,1=-0,434

Z value of the function is -0,434

From the Z table that you can find at the attachment. The probability is %33,36 or 0,3336

D) This is a subjective part. I don't have any concerns

3 0
3 years ago
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