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Ber [7]
3 years ago
11

Which model represents -2 -3?

Mathematics
1 answer:
Elodia [21]3 years ago
6 0

Answer:

8

Step-by-step explanation:

updated in party settings on a daily morning in party mode with me in my room with a

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How do I do -4p-(1-6p)
patriot [66]

Answer:

2p-1

Step-by-step explanation:

-4p-(1-6p)

when there is "-" in front of an expression, change the sign of each term of the expression.

-4p -1 + 6p

-4p + 6p  =2p

2p -1

8 0
3 years ago
A colony of ants carried away 14 of your muffins that was 2/3 of all of them how many are left
ZanzabumX [31]
If they took 2/3 away you have 1/3 left. you would have 7 left.
8 0
3 years ago
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Find the midpoint of the line segment that has endpoints at (10,8) (-3,-10)
dem82 [27]

Hey there! :)

Answer:

(3.5, -1).

Step-by-step explanation:

Use the midpoint formula to solve this problem:

(x_m, y_m) = (\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2})

Plug in the coordinates given:

(\frac{10-3}{2}, \frac{8-10}{2})

Simplify:

(\frac{7}{2}, \frac{-2}{2})

Therefore, the coordinates of the mid-point are:

(3.5, -1).

7 0
3 years ago
The lengths of lumber a machine cuts are normally distributed with a mean of 106 inches and a standard deviation of 0.3 inch. ​(
Vinvika [58]

Answer:

a) P(X>106.11)=P(\frac{X-\mu}{\sigma}\frac{106.11-106}{0.3})=P(z>0.37)

And we can find this probability with the complement rule:

P(z>0.37)=1-P(z

b) z =\frac{106.11- 106}{\frac{0.3}{\sqrt{44}}}=  2.431

And if we use the z score we got:

P(z>2.431) =1-P(z

Step-by-step explanation:

Let X the random variable that represent the lengths of a population, and for this case we know the distribution for X is given by:

X \sim N(106,0.3)  

Where \mu=106 and \sigma=0.3

Part a

We are interested on this probability

P(X>106.11)

And we can use the z score formula given by:

z=\frac{x-\mu}{\sigma}

And using this formula we got:

P(X>106.11)=P(\frac{X-\mu}{\sigma}\frac{106.11-106}{0.3})=P(z>0.37)

And we can find this probability with the complement rule:

P(z>0.37)=1-P(z

Part b

For this case we select a sample of n =44 and the new z score formula is given by:

z=\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}

And if we find the z score we got:

z =\frac{106.11- 106}{\frac{0.3}{\sqrt{44}}}=  2.431

And if we use the z score we got:

P(z>2.431) =1-P(z

6 0
3 years ago
katie bought 12 roses she gave some a way and now has 4 roses left.how many roses did katie give away
Firlakuza [10]
Rosie gave away 8 roses
8 0
3 years ago
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