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luda_lava [24]
3 years ago
14

What is the area of the face marked f

Mathematics
1 answer:
Annette [7]3 years ago
5 0

Answer:

12cm ...........

........

You might be interested in
Common factor the GCF of 27y^2 and 36^3​
ollegr [7]
9 because it is the highest number that it can go it both 27 and 36
5 0
3 years ago
Help! I need to know if 7√3+2√9 is rational or irrational
Brums [2.3K]

Answer:

Irrational

Step-by-step explanation:

7\sqrt{3}+2\sqrt{9}= \\\\7\sqrt{3}+2(3)= \\\\6+7\sqrt{3}

Therefore, this is irrational. Hope this helps!

3 0
4 years ago
First one right gets BRAINLIEST!!<br><br> If f(x)=x²+2x-3 and g(x)=x²-9, find (f/g) 4 and (f+g)(4)
Rasek [7]

Answer:

3 and 28

Step-by-step explanation:

note (\frac{f}{g} )(x ) = \frac{f(x)}{g(x)}

\frac{f(x)}{g(x)}

= \frac{x^2+2x-3}{x^2-9}  and

(\frac{f}{g} )(4) = \frac{4^2+2(4)-3}{4^2-9} = \frac{16+8-3}{16-9} = \frac{21}{7} = 3

-------------------------------------------------------

(f + g)(x) = f(x) + g(x)

f(x) + g(x)

= x² + 2x - 3 + x² - 9 = 2x² + 2x - 12 and

(f + g)(4) = 2(4)² + 2(4) - 12 = 2(16) + 8 - 12 = 32 + 8 - 12 = 28

6 0
4 years ago
Graph the system of equation on graph paper or in your calculator, y=−4/3x+4y=−2/3x−2
aleksklad [387]

Answer:

The lines intersect once at (2, −1).

A graphic solution to a system of equations is only as accurate as the scale of the paper or precision of the lines. At times the point of intersection will need to be estimated on the graph. When an exact solution is necessary, the system should be solved algebraically, either by substitution or by elimination.

Step-by-step explanation:

hope  i helped

4 0
3 years ago
Your friend believes that he has found a route to work that would make your commute faster than what it currently is under simil
Strike441 [17]

Answer:

<em>The range of p-values </em>

<em>0.01 < p < 0.025 </em>

Step-by-step explanation:

<u><em>Explanation</em></u>:-

Given random sample size 'n' = 7

Assume that the populations are normally distributed

Null Hypothesis :H₀:μd=0.

Alternative Hypothesis:H₁:μd<0.

Degrees of freedom

ν = n-1 =7-1 =6

given the test statistic  t = - 3.201

we will use single tailed test in t-distribution table

<em>The test statistic t= 3.201 is lies between the critical values is 0.01 and 0.025</em>

<em>The range of p-values </em>

<em>0.01 < p < 0.025  (check t- distribution table single tailed test) </em>

<u><em>Final answer:- </em></u>

<em>The range of p-values </em>

<em>0.01 < p < 0.025 </em>

5 0
3 years ago
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