2 years ago

Solve the following system equation graphically on the set of axes below y= x+4 and y= -3/2 - 1 PLEASE HELP MEEE

Mathematics

1 answer:

gizmo_the_mogwai [7]2 years ago

8 0

Answer:

y=4

y= -1

Step-by-step explanation:

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Dimas [21]

I hope this helps you x.(x+4)=60 60=6.10 x=6 x+4=6+4=10

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3 years ago

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Crank

Answer:

B. 14 m sq.

Step-by-step explanation:

Area for a triangle

A = W times H times 1/2

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28/2 = 14

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3 years ago

Solve (-4 + -7)(-3) please!!!!!!!!!!!!!!!!!!!!!!!!!

miss Akunina [59]

So you add whats in parentheses first which gives you -11 then you end up with -11(-3)

Which will equal 33 Thats your final awnser...

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2 years ago

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Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

tresset_1 [31]

Unable to submit.
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2 years ago

A grocery stores studies how long it takes customers to get through the speed check lane. They assume that if it takes more than

Reptile [31]

The probability that a randomly selected customer takes more than 10 minutes will be 8.38%

Explanation

The average or mean $(\mu)$ is 8.56 minutes and standard deviation $(\sigma)$ is 1.04 minutes.

Formula for finding the z-score is: $z= \frac{X-\mu}{\sigma}$

So, the z-score for $X=$ 10 minutes will be.....

$z(X=10)=\frac{10-8.56}{1.04}=\frac{1.44}{1.04}=1.3846... \approx 1.38$

Now, according to the standard normal distribution table, $P(z$ . So.....

$P(X>10)=P(z>1.38)= 1-P(z$

So, the probability that a randomly selected customer takes more than 10 minutes will be 8.38%

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3 years ago