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netineya [11]
3 years ago
13

8 1/4 - 6 1/2, what is the answer and work for this?

Mathematics
1 answer:
Colt1911 [192]3 years ago
4 0
Answer:
<span>=1<span> 3/4</span></span>Solution 1 by separating partsRewriting our equation with parts separated<span>=8+<span>1/4</span>−6−<span>1/2</span></span>Solving the whole number parts<span>8−6=2</span>Solving the fraction parts<span><span>1/4</span>−<span>1/2</span>=?</span>Find the LCD of 1/4 and 1/2 and rewrite to solve with the equivalent fractions.
LCD = 4
<span><span>1/4</span>−<span>2/4</span>=−<span>1/4</span></span>Combining the whole and fraction parts<span>2−<span>1/4</span>=1<span> 3/4</span></span>Solution by Formulas converting mixed numbers to fractions, our initial equation becomes,<span><span>33/4</span>−<span>13/2
</span></span>Applying the fractions formula for subtraction,<span>=<span><span>(33×2)−(13×4)</span><span>/4×2</span></span></span><span>=<span><span>66−52</span>/8</span></span><span>=<span>14/8</span></span>Simplifying 14/8, the answer is<span>=1 <span>3<span>/4</span></span></span>
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Answer:

it has been found that 85.6% of all enrolled college and university students in the U.S. are undergraduates. A random sample of 500 enrolled college students in a particular state revealed that 420 of them were undergraduates. Is there sufficient evidence to conclude that the population differs from the national percentages? Use a = 0.05

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3 years ago
33 students in a math class took their chapter test, and 25 of these students passed their test. What percent of students failed
Andrews [41]

25 out of 33 passed the test.

Lets see how many failed,

33-25 = 8

Now lets take out the percentage which basically will be

8÷33×100= 24.4%

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4 years ago
(-19, 12) , (-9, 1) <br><br> slope again
siniylev [52]
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8 0
3 years ago
Read 2 more answers
Help me find the figure , area formula and graph the dots and find the area
Advocard [28]

Answer:

Looking at the given points we know that it is going to be a triangle because it only have 3 points.  Therefore the figure is a triangle and the area formula would be A=\frac{1}{2}*b*h.

You can look at the attached graph and what we see is that our height of the triangle is from y=-3 to y=4 which means that our height is 7 units high.  We can also see that our base starts at x=-4 and ends at x=4 making us have a base of 8 units.

<u>We then plug in the values and solve</u>

A = \frac{1}{2}*7\ units * 8\ units

A = \frac{1}{2}*56\ units^2

A = 28\ units^2

Therefore, the area of our triangle is 28\ units^2

Hope this helps!  Let me know if you have any questions

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2 years ago
Drag each value to the correct location on the equation. Each value can be used more than once, but not all values will be used.
MArishka [77]

Answer:

-303.11 -175

Step-by-step explanation:

The jet has a speed of magnitude 350 miles/hour and travelling in a direction of 210°. Hence the jet can be represented with |r| = 350, θ = 210°.

The component form of the vector has both the x component (horizontal component) and the y component (vertical component) Therefore:

The horizontal component = r_x=|r|cos\theta=350*cos(210^o)= -303.11

The vertical component = r_y=|r|sin\theta=350*sin(210^o)= -175

5 0
3 years ago
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