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Ann [662]
3 years ago
8

−12d+58=38d−1116 what does p=

Mathematics
1 answer:
weeeeeb [17]3 years ago
8 0

Answer:

d= 587/25, d=23.48

Step-by-step explanation:

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In a nursery class of 18 pupils, the average is 4<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7B2%7D%20" id="TexFormula1"
Alisiya [41]

Answer:

The sum of ages of all 18 pupils in the class = 81

Step-by-step explanation:

Total number of pupil in the class =  18

Average of years in the class = 4\frac{1}{2}

Now, 4\frac{1}{2}  = 4 + \frac{1}{2}  = 4 + 0.5 = 4.5

⇒Average of sum of ages  in the class = 4.05

Let us assume the sum of ages of all students in the class = m

By the formula for AVERAGE:

\textrm{Average of n obseravtions}  = \frac{\textrm{Sum of n observations}}{\textrm{n}}

\implies 4.5 = \frac{m}{18}

or, m =  18 x 4.5 = 81

Hence, the sum of ages of all 18 pupils in the class = 81

6 0
3 years ago
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Some students reported how many pets they had. The dot plot shows the data collected: A dot plot is titled Students Pets and lab
Kitty [74]

Answer:

A dot plot is similar to histogram wherein they show the frequency of data. In this kind of plot, instead of bars, dots are stacked on their corresponding bin. The bins here are the number of pets, while the dots are the students. So, the 2 dots above number 3 signifies that, there are two students with three pets. The answer is A.

Step-by-step explanation:

8 0
2 years ago
Hank estimates the width of the door to his classroom in feet. What is a reasonable estimate?
Gnoma [55]
3-4 feet would be a good estimate I think
8 0
3 years ago
Solve 2x\7 + 4\5 = 5?
hoa [83]

Answer:

x=14 7/10 mix number form

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Step-by-step explanation:

7 0
3 years ago
Please help, worth 20+! GIVE ANWERS! PLEASE ANDty
Aneli [31]

\huge\underbrace\mathtt\blue{∆ᴀɴsᴡᴇʀ∆}

1) \:  \:  \:  \frac{34}{100}  =  0.34

2) \:  \:  \:  \:  \frac{23}{50}  =  \frac{23 \times 2}{50 \times 2}  =  \frac{46}{100}  = 0.46

3) \:  \:  \:  \frac{6}{8}  =  \frac{6 \times 125}{8 \times 125}  =  \frac{750}{1000}  = 0.008

4) \:  \:  \:  \frac{1}{3}  = 0.3

(for no. 4 check the image in the attachment)

7 0
3 years ago
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