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damaskus [11]
3 years ago
15

Can you simplify 4+6(3)+2(5 1/2 -1)

Mathematics
1 answer:
Greeley [361]3 years ago
7 0

Answer:

31

5 1/2 - 1 = 4.5

4+ 18= 22

2(4.5) = 9

22+ 9 = 31

Step-by-step explanation:

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Giving brainliest + 20 points!
TEA [102]

Answer:

when the NUMERATOR of a fraction is equal to 0

Step-by-step explanation:

If the fraction is 0/x, the answer will always be 0 (where x is any number except 0, otherwise the answer is not defined).

7 0
3 years ago
Complete the tables of values.<br> Q1) y = x2 - 2x + 4<br> x -1 0 1 2 3<br> y
sesenic [268]

Answer:

2x(+4)x2

Y-1 0 1 5 2

Step-by-step explanation:

hope it help

7 0
2 years ago
Suppose heights of seasonal pine saplings are normally distributed and have a known population standard deviation of 17 millimet
Mumz [18]

Answer:

296.693\leq x\leq 319.307

Step-by-step explanation:

The confidence interval for the population mean x can be calculated as:

x'-z_{\alpha /2}\frac{s}{\sqrt{n} } \leq x\leq x'+z_{\alpha /2}\frac{s}{\sqrt{n} }

Where x' is the sample mean, s is the population standard deviation, n is the sample size and z_{\alpha /2} is the z-score that let a proportion of \alpha /2 on the right tail.

\alpha is calculated as: 100%-99%=1%

So, z_{\alpha/2}=z_{0.005}=2.576

Finally, replacing the values of x' by 308, s by 17, n by 15 and z_{\alpha /2} by 2.576, we get that the confidence interval is:

308-2.576\frac{17}{\sqrt{15} } \leq x\leq 308+2.576\frac{17}{\sqrt{15} }\\308-11.307 \leq x\leq 308+11.307\\296.693\leq x\leq 319.307

6 0
3 years ago
The 3 sides of a triangle have lengths of (4x+3) cm, (2x+8) cm, and (3x-10) cm. What is the length of the shortest side if the p
galina1969 [7]

Answer:

The shortest sides is 3x-10

Step-by-step explanation:

This is because if you do the algebra which is 4x+3+2x+8+3x-10=136, x=15. Now that you have 15 you plug it into each sides x value. First, 4x+3= 4*15+3=63

Second, 2x+8=30+8=38

Lastly, 3x-10=45-10=35

So, as you can see here 35 is the lowest value which means the side (3x-10) is the shortest.

3 0
3 years ago
Which rational number could be graphed between -3 and -4
Snezhnost [94]

Answer:

-3.5

Step-by-step explanation:

An example is -3.5.

3 0
3 years ago
Read 2 more answers
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