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lapo4ka [179]
3 years ago
5

Please answer this correctly

Mathematics
2 answers:
aleksley [76]3 years ago
6 0

Answer:

16 ounces of clay he need.

Step-by-step explanation:

Given:

Reggie had 2-pound bricks of clay and his job is to give 4 ounces of clay to each student.

There are total 28 students.

Now, to get how much ounces of clay does the each student  have first we multiply the number of students to the number of ounces of clay.

Number of students × Number of ounces of clay:

28\times 4

112

Now, total amount of clay ounces Reggie had= 3×32=96 ounces. (1 pound = 16 ounces, 2 pound = 32 ounces.)

So, the total amount of clay he need is = 112-96

                                                                 = 16

Therefore, 16 ounces of clay he need.

malfutka [58]3 years ago
3 0

Answer:

Reggie requires 16 Ounces more clay.

Step-by-step explanation:

Given:

Reggie took from shelf 3 of 2 pounds bricks of clay from shelf.

1 pound = 16 ounces

2 pounds = 32 ounces

Total Clay Reggie has in ounces = 3\times 32\ ounces = 96 \ ounces

Total Students in his class = 28 students

his job is to distribute 4 ounces of clay to each child

Total number of clay required for whole class in ounces = 28\times4 = 112

Remaining Amount of clay requires in ounces = Total number of clay required for whole class in ounces - Total Clay Reggie has in ounces = 112 \ ounces - 96 \ ounces = 16 \ ounces

Hence, Reggie requires 16 Ounces more clay to distribute among the whole class

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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
Daisy measured the heights of 20 plants.
sergiy2304 [10]

Answer:

  • 30.5 cm

Step-by-step explanation:

<em>Refer to attached</em>

  • Height of plants (h) >> Frequency >> Midpoint >> Frequency x midpoint
  • 0 <h < 10 >>  1  >> 5 >> 5
  • 10 <h < 20 >> 4 >> 15 >>  60
  • 20 <h < 30 >> 7 >> 25 >> 175
  • 30 <h < 40 >> 2 >> 35 >> 70
  • 40 <h < 50 >> 3 >> 45 >> 135
  • 50 <h < 60 >> 3 >> 55 >> 165

Sum of frequencies = 20

Sum of frequency x midpoint product = 610

<u>Mean height </u>

  • 610/20 = 30.5 cm

5 0
4 years ago
Romeo used a mirror to determine the height of Juliet’s window. He stood 0.5m from the mirror and the mirror is
Volgvan
3. 4m
Explanation:Minus
6 0
2 years ago
I don't really understand my math Homework. It's solving problems using equations.
Nataliya [291]
I'll gladly help you, but I can't really read that.
8 0
3 years ago
120/30=s/5 help plzzzz
ehidna [41]

Answer:

20

Step-by-step explanation:

1. You "cross-multiply" 120 to 5 (120*5).

2. You divide 600 (120*5=600) to 30, which is (600/30).

3. You get the answer which is 20.

6 0
3 years ago
Read 2 more answers
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