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Greeley [361]
3 years ago
13

467.4 + 9.7 = Please help

Mathematics
2 answers:
avanturin [10]3 years ago
8 0

Answer:

477.1

Step-by-step explanation:

lubasha [3.4K]3 years ago
6 0

Answer:

477.1

Step-by-step explanation:

467.4

+ 9.7

-----------------

477.1

Hope this helps : )

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At a theme park, the ticket price for children is c for adults is $17 more than that. Write an expression to show the cost of ti
aev [14]

Answer:

Cost is 7c+34.

Step-by-step explanation:

2(c+17) + 5c

=2c+34+5c

=7c+34

6 0
2 years ago
4. Is rap music more popular among young Indians than among young Asians? A sample survey compared 634 randomly chosen Indians a
bulgar [2K]

Answer:

H0 is accepted

there is no difference between the proportions of Indian and Asian young people who listen to rap music every day.

Step-by-step explanation:

Given  a sample survey compared 634 randomly chosen Indians aged 15 to 25 with 567 randomly selected Asians in the same age group.

p_{1} = \frac{368}{634} =0.580

It found that 368 of the Indians and 130 Asians listened to rap music every day.

p_{2} = \frac{130}{567} =0.229

Null hypothesis H0: there is no difference between the proportions of Indian and Asian young people who listen to rap every day.

p_{1} = p_{2}

Alternative hypothesis:- p_{1} \neq  p_{2}

Level of significance α = 0.05

The test of statistic

z = \frac{p_{1} -  p_{2}}{\sqrt{pq(\frac{1}{n_{1} }+\frac{1}{n_{2} })  } } }

where p = \frac{n_{1}p_{1} + n_{1}p_{2}}{n_{1}+n_{2}} = \frac{634(0.580)+567(0.229)}{634+567}

       p = 0.414

and q = 1-p = 1- 0.414 =0.586

Z = \frac{0.580-0.229}{\sqrt{0.414(0.586)(\frac{1}{634} +\frac{1}{567} } } }

on calculation , we get

z = 0.300 ><1.96 at 95 % level of significance

H0 is accepted

there is no difference between the proportions of Indian and Asian young people who listen to rap every day.

3 0
3 years ago
(Cscx+1)/(casx-1)=(1+senx)/(1-Senx)
emmasim [6.3K]
Are you supposed to do all the ones in the quotations?
5 0
3 years ago
Formula of arc length
vitfil [10]
The formula is

(theta)/360 · 2(pi)r

theta is the given angle

r is radius of the circle
8 0
3 years ago
Read 2 more answers
Penelope buys bracelets in bulk at a cost of $8 each to sell at her store. She uses a markup rate of 125%, which is added to the
slega [8]

Answer:

$18.00

Step-by-step explanation:

8 x 1.25 = 10

8 + 10 = 18

5 0
3 years ago
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