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Alex Ar [27]
3 years ago
12

Please please please answer ASAP!

Mathematics
2 answers:
puteri [66]3 years ago
8 0

Answer:

27

Step-by-step explanation:

d^2=x^2+y^2+z^2, and since this is a cube, x=y=z=s, and we are told that s=3

d^2=3s^2  and s=3

d^2=3(3^2)

d^2=3(9)

d^2=27

d=√27

StartRoot 27 EndRoot cm

Andrew [12]3 years ago
3 0

Answer:

27

Step-by-step explanation:

3×√3 = 5.196

√27 = 5.196

StartRoot 27 EndRoot cm

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Help please ASAP !!!!!
Otrada [13]
(-infinity,3) (3, infinity)
x does not equal 3 
6 0
3 years ago
Can you help me plzs
Jlenok [28]

Answer:

164

Step-by-step explanation:

2x+7+5x+12=180

7x+19=180

7x+180-19

7x=171

----  ----

7      7

x=164

6 0
3 years ago
Read 2 more answers
A study was done that looked at how much red meat people consumed and how long they lived. The correlation r was found to be 0.9
AVprozaik [17]

Answer:

False

Step-by-step explanation:

Since the correlation r was found to be 0.98 (a value closer to 1).  

Let X =how much red meat people consumed

let Y = how long they lived.

where the x-values are the values of the deviations of co-ordinates X from Xₙ, their mean value and the y-values are the values of the deviations of co-ordinates Y from Yₙ, their mean value.

That is, x=(X−Xₙ) and y=(Y−Yₙ).

The results of this determination give values of r lying between +1 and −1, where;

+1 indicates perfect direct  correlation,

−1 indicates perfect inverse correlation and

0 indicates that no correlation exists.

Between these values, the smaller the value of r, the less is the amount of correlation which exists.

Generally, values of r in the ranges 0.7 to 1 and −0.7 to −1 show that a fair amount of correlation exists.

therefore, it can be seen that there is a perfect relationship between the quantity eaten and how long the person live

But, the correlation does not consider those that does not consume meat, and it is very hard to determined the answer to the question.

the answer is false because there are other reasons that determined longevity of life apart from meat consumption.

3 0
4 years ago
Logan wants to have $130,000 to pay for a surgery on his retractable forearm claws in 30 months. If he can invest money in an ac
dangina [55]

Answer: $107,836.69 or about $107,837 (to the nearest dollar)

Step-by-step explanation:

Formula to the  accumulated amount received after investing principal amount (P) at rate of interest (r) compounded monthly for t months :

A=P(1+\dfrac{r}{12})^{t}

As per given , A = $130,000

r= 7.5% = 0.075

t= 30 months

Now,

130000=P(1+\dfrac{0.075}{12})^{30}\\\\\Rightarrow 130000=P(1+0.00625)^{30}\\\\\Rightarrow 130000=P(1.00625)^{30}\\\\\Rightarrow 130000=P \times1.20552661036\\\\\Rightarrow\   P=\dfrac{130000}{1.2055266}=107,836.69

Hence he need to invest $107,836.69 .

8 0
4 years ago
How do i find the scale factor of
astraxan [27]
If you’re looking for x it would be -4/3
8 0
3 years ago
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