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Alenkinab [10]
3 years ago
13

SOMEONE HELP I CANT FAIL

Mathematics
2 answers:
ziro4ka [17]3 years ago
5 0

Answer:

40

Step-by-step explanation:

He can do 8 problems in 5 minutes. 25 minutes is 5 times more than 5. 8 times 5 is 40

densk [106]3 years ago
5 0

Answer:

40 problems

Step-by-step explanation:

8 divided by 5 equals 1.6 meaning in one minute there are 1.6 problems answered, and so 1.6*25= 40. Meaning that there are after 25 minutes 40 problems will be solved.

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x  y

0  2

1   5

Step-by-step explanation:

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3 years ago
The teacher buys a pack of notebooks for give his students the ratio of the gold notebooks to red notebooks is represented in th
katovenus [111]

Answer-

              ~The answer is 40 gold notebooks~

                               (Thank me later~)

7 0
3 years ago
Read 2 more answers
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kotegsom [21]

Answer:

1. x =−3, -4, -5  

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6 0
3 years ago
One fourth of a solution that was 10 percent
Alexxx [7]
The answer is 26 because I added
6 0
3 years ago
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Suppose a researcher is interested in understanding the variation in the price of store brand milk. A random sample of 36 grocer
liberstina [14]

Answer: ($3.055, $3.205)

Step-by-step explanation:

Given : Significance level : \alpha: 1-0.95=0.5

Critical value : z_{\alpha/2}=1.96

Sample size : n= 36

Sample mean : \overline{x}=\$\ 3.13

Standard deviation : \sigma= \$\ 0.23

The confidence interval for population mean is given by :_

\overline{x}\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}

\text{i.e. }\$\ 3.13\pm (1.96)\dfrac{0.23}{\sqrt{36}}\\\\\approx\$\ 3.13\pm0.075\\\\=(\$\ 3.13-0.075,\$\ 3.13+0.075)=(\$\ 3.055,\$\ 3.205)

Hence, the 95% confidence interval to estimate the population mean = ($3.055, $3.205)

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3 years ago
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