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4 years ago

Add. Write your answer in simplest form. 2/15 + 2/15

Mathematics

2 answers:

yarga [219]4 years ago

5 0

Answer:4/15

Step-by-step explanation:2/15+2/15=4/15

murzikaleks [220]4 years ago

4 0

The answer is 4/15 :)

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Hugo and Sandy leave a campsite and walk in different directions. After several hours,Hugo has walked 5.6 miles east while Sandy

Alexeev081 [22]

Answer:

8.9 miles.

Step-by-step explanation:

5.6 + 3.3 = 8.9

This should be the answer, however, if this is a coordinate grid question, then it could slope. The answer I have given is not for slope.

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3 years ago

7. What is most likely the slope of the line graphed? A.-2 B. 0 C. 2 D. Undefined

adell [148]

Answer:

Undefined

Step-by-step explanation:

If the slope was a horizontal line, then we could say y=2, however, it is only going through the x-axis so it would be x=2, but in terms of y it is undefined.

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3 years ago

Solve the exponent equation: 4 × 9x -13 × 6x + 9 × 4x = 0

kicyunya [14]

Well x=0

I hope this helps!

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3 years ago

Gribbles are small, pale white, marine worms that bore through wood. While sometimes considered a pest since they can wreck wood

Stells [14]

Answer with explanation:

As per given , we have

A sample of 50 gribbles finds an average length of 3.1 mm with a standard deviation of 0.72.

i.e. n= 50

Degree of freedom = n-1=49

$\overline{x}=3.1\ mm$

$s=0.72\ mm$

The point estimate of the population mean is equals to the sample mean.

i.e. The best estimate for the length of gribbles= 3.1 mm

Also, population standard deviation is unknown , then the confidence interval would be :

$E=t_{\alpha/2, df}\dfrac{s}{\sqrt{n}}$

For df= 49 and significance level of 0.05 , the t- value (using t-distribution table) would be :

$t_{0.05/2, 49}=t_{0.025, 49}= 2.010$

Now, Margin of error : $E=(2.010)\dfrac{0.72}{\sqrt{50}}$

$=0.204664986747\approx0.20$

95% confidence interval : $(\overline{x}-E,\ \overline{x}+E)$

$i.e.\ (3.1-0.20, 3.1+0.20)=(2.90,\ 3.30)$

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4 years ago

Determine the equation of a line that passes through the points: (3, 12) and (- 2, -13)

Lorico [155]

Answer:

Step-by-step explanation:

(-13-12)/(-2-3)= -25/-5= 5

y - 12 = 5(x - 3)

y - 12 = 5x - 15

y = 5x - 3

7 0

3 years ago