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Leni [432]
2 years ago
15

I need the answer to this question

Mathematics
2 answers:
kvasek [131]2 years ago
5 0
B shows how to change the factors
xz_007 [3.2K]2 years ago
3 0
I think the answers b.
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Solve the problem 5/n = 1.5/ 1.8
Lostsunrise [7]
5/n=(3/2)/(5/5+4/5)

5/n=(3/2)/(9/5)

5/n=(3/2)*(5/9)

5/n=15/18=5/6

5/n=5/6

30/n=5

5n=30

Therefore: n=6.
5 0
4 years ago
Read 2 more answers
Yari says that the product 230×104 has four zeroes. Is she correct? In the box below, explain your answer including how patterns
pogonyaev
No because the amount of zeros at the end of both numbers is the amount of zeros that's going to be in the product

7 0
3 years ago
Monday<br>ve.<br>-12 + (-38)​
arsen [322]

Answer:

-50

Step-by-step explanation:

-12 + (-38) can also be written as -12-38, and that would be -50

4 0
3 years ago
Read 2 more answers
A pediatrician wishes to study how the average weight Y (in kilograms) of children changes during the first year of life. He plo
leonid [27]

Answer:

Answer is option a ) 0.53

Step-by-step explanation:

slope = r*\frac{s_y}{s_x}

Given that a pediatrician wishes to study how the average weight Y (in kilograms) of children changes during the first year of life. He plots these averages versus the age X (in months) and decides to fit a least-squares regression line to the data with X as the explanatory variable and Y as the response variable.

He finds  the following quantities:

r = correlation between X and Y= 0.84

x = mean of the values of X = 5.69

y = mean of the values of Y = 6.26

S_x = standard deviation of the values of X = 3.23

s_y = standard deviation of the values of Y = 2.04

Using the formula for slope given above substitute to get

slope = 0.84*\frac{2.04}{3.23} \\=0.5305

round off to 0.53

Answer is option a ) 0.53

3 0
3 years ago
Please help me in the question of commission ! Grade - 9 . ​
AlladinOne [14]

Answer:

Step-by-step explanation:

Commission for  amount  Rs. 5,00,00 = \frac{2}{100}*500000

                                                               = 2* 5000

                                                               = Rs. 10,000

total commission = Rs. 32,000

Remaining commission = 32500 - 10000

                                      = Rs. 22500

Let remaining amount of the restaurant = Rs. x

Commission on Rs. x = 22500

3% of x = 22500

\frac{3}{100}*x=22500\\\\x=22500*\frac{100}{3}\\\\x = 7500*100

x = Rs. 750000

Price of the restaurant = 750000 + 500000

                                     =Rs . 1250000

7 0
3 years ago
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