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sp2606 [1]
3 years ago
15

This is what i need help on

Mathematics
1 answer:
Scilla [17]3 years ago
7 0
G2=g1*2
g3=g1*2²
196=x*4
/4        /4
49
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2 5/7+4 3/5= help please
Ainat [17]

Answer:

7\frac{11}{35}

Step-by-step explanation:

2\frac{5}{7}+4\frac{3}{5}

add the whole numbers

2+4=6

combine the fractions

\frac{5}{7}+\frac{3}{5}

LCM is 35 because 7 * 5 =35

\frac{5}{7}=\frac{5\cdot \:5}{7\cdot \:5}=\frac{25}{35}

\frac{3}{5}=\frac{3\cdot \:7}{5\cdot \:7}=\frac{21}{35}

\frac{25}{35}+\frac{21}{35}=\frac{25+21}{35}

=\frac{46}{35}

change the improper fraction into mixed number

6+1\frac{11}{35}

=7\frac{11}{35}

3 0
4 years ago
The ratio of men to women working for a company is 3 to 4. If there are 112 employees total, how many work for the company ​
Ksenya-84 [330]

Answer:

112

Since you stated 112 employees work for the company, and your question was how many work for the company, it is definetly

112.

6 0
4 years ago
Read 2 more answers
The lengths of text messages are normally distributed with a population standard deviation of 4 characters and an unknown popula
umka21 [38]

Answer:

The answer is "(25.32, 30.68)"

Step-by-step explanation:

Given:

\bar x = 28\\\\ \sigma = 4\\\\n =26\\\\

When 98\% confidence level so, the z:

\alpha = 1 - 98\% = 1 - 0.98 = 0.2\\\\\frac{\alpha}{2} =\frac{0.02}{2} = 0.01\\\\Z_{\frac{\alpha}{2}} = Z_{0.01} = 1.645\ \ \  ( Using \ z \ table )\\\\

E = Z_{\frac{\alpha}{2} \times ( \frac{\sigma}{\sqrt{n}})  

= 1.645 \times (\frac{4}{\sqrt{26}})\\\\=2.68

When  98% confidence interval estimate of the population mean  is,

\bar x - E < \mu < \bar x + E\\\\28 - 2.68 <  \mu < 28 + 2.68\\\\25.32 <  \mu < 30.68\\\\(25.32,  30.68)\\\\

7 0
3 years ago
0) During the school day, 4% of the time is spent in Opening Exercises. What fraction of the
Nesterboy [21]

Answer:

1/25

Step-by-step explanation:

4%

4/100

1/25

4 0
3 years ago
Read 2 more answers
F(x) = x − 2 and g(x) = x2 − 7x − 9. Find f(g(−1))<br><br> A. -21<br> B.-3<br> C. 3<br> D.21
Alla [95]
Hello : 
g(-1) = (-1)² -7(-1)-9 =1+7-9 = -1 
<span>f(g(−1)) = f(-1) = -1-2 = -3.....( answer : B)</span>
5 0
4 years ago
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