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Lerok [7]
2 years ago
9

30 points pls help quick

Mathematics
1 answer:
AVprozaik [17]2 years ago
3 0
X+2y=5
-x+3y=6
Answer: (-3, 4)

x+2(0)=5
x=5

(0)+2y=5
y=5/2

-x+3y=6
Answer: x-intercept: A. y-intercept: C.
(-6,2)


Not sure, here though.
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HELP ME PLEASE !!!!!!!!
stealth61 [152]

Answer:21

Step-by-step explanation:

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3 years ago
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Which choice is equivalent to (4^2)(4^3)? <br> A: 4^6<br> B:4^5<br> C:64<br> D:16
Taya2010 [7]
Correct me if i'm wrong, but i think it's b, since you add the exponents and keep the 4 the same.
3 0
3 years ago
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At a Noodles &amp; Company restaurant, the probability that a customer will order a nonalcoholic beverage is .51.
satela [25.4K]

Answer:

P(x\geq 7)=0.1886

Step-by-step explanation:

The variable x, that said the number of customer that will order a nonalcoholic beverage in a sample of n customers follows a binomial distribution. Because we have n identical and independent events with a probability p of success and (1-p) of fail.

So, the probability that x customers will order a nonalcoholic beverage is:

P(x)=\frac{n!}{x!(n-x)!}*p^{x}*(1-p)^{n-x}

Where n is the size of the sample and p is the probability that a customer order a nonalcoholic beverage, so replacing the values, we get:

P(x)=\frac{10!}{x!(10-x)!}*0.51^{x}*(1-0.51)^{10-x}

Now, the probability that at least 7 will order a nonalcoholic beverage is equal to:

P(x\geq 7)=P(7)+P(8)+P(9)+P(10)

Where:

P(7)=\frac{10!}{7!(10-7)!}*0.51^{7}*(1-0.51)^{10-7}=0.1267\\P(8)=\frac{10!}{8!(10-8)!}*0.51^{8}*(1-0.51)^{10-8}=0.0494\\P(9)=\frac{10!}{9!(10-9)!}*0.51^{9}*(1-0.51)^{10-9}=0.0114\\P(10)=\frac{10!}{10!(10-10)!}*0.51^{10}*(1-0.51)^{10-10}=0.0011

So, P(x\geq 7) is equal to:

P(x\geq 7)=0.1267+0.0494+0.0114+0.0011\\P(x\geq 7)=0.1886

Finally, the probability that in a sample of 10 customers, at least 7 will order a nonalcoholic beverage is equal to 0.1886

5 0
3 years ago
Question 3 (2 points) Saved Which of the following has the larger area? A rectangle with sides 12 inches and 15 inches. A triang
ZanzabumX [31]

Answer:

rectangle = 180

triangle = 350

the triangle has a much larger area.

350-180=170

the triangle by 17

square inches

5 0
3 years ago
(Please look at the NUMBERS below the picture)
GenaCL600 [577]
This is what I got
Area= 31.83 rounded would be 32
Radius= 3.18 rounded would be 3
Diameter= 6.37 rounded would be 6
7 0
3 years ago
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