3 years ago

What times what number give you 12 but when you add those numbers give you 4

Mathematics

1 answer:

SpyIntel [72]3 years ago

8 0

There is nothing that multiplies to 12 and adds to 4.

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= (-3 – (-2))+ (1 - (-4))

loris [4]

Answer:

Step-by-step explanation:

(-3+2)+(1+4)

=-1+5

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Can anyone help me with this?<br> Solve to find x and y in the diagram.

zhuklara [117]

Answer:

x=6 y=5

Step-by-step explanation:

parallel=90 degree

so...

15(x)=90

x=6

5(x which is 6) plus 12y=90

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Adult male heights are normally distributed with a mean of 70 inches and a standard deviation of 3 inches. The average basketbal

sweet-ann [11.9K]

Answer: First Option is correct.

Step-by-step explanation:

Since we have given that

Mean $(\mu)$ = 70 inches

Standard deviation $(\sigma)$ = 3 inches

Average basket ball player $(\bar{X})$ = 79 inches

Since it is normally distributed assume with 5% significance .

So, it becomes,

$Z>\frac{\bar{X}-\mu}{\sigma}\\\\Z>\frac{79-70}{3}\\\\Z>\frac{9}{3}\\\\Z>3\\\\\therefore\ P(Z>3)=1-0.9987=0.0013$

At 0.05 level of significance , 0.0013 = 0.13% of the adult male population is taller than the average basketball player .

Hence, First Option is correct.

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