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fenix001 [56]
2 years ago
6

What is the value of the expression when a = 6, b = 4, and c = 8? 2a3b−c

Mathematics
2 answers:
Novosadov [1.4K]2 years ago
6 0

Answer:

136

Step-by-step explanation:

(2*6*3*4)-8 = 144-8

= 136

devlian [24]2 years ago
4 0
Sksksjdnhwo9-9–928Oo
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nadia wants to enclose a square garden with fencing has an area of 141 ft.² to the nearest foot how much fencing will she need e
Andreas93 [3]

We know that area of the square is 141 square feet. Therefore, we can figure out the dimension of square using formula for area as shown below:

Area=a^{2}\\141=a^{2}\\a=\sqrt{141}=11.874

We know that fencing is used along the sides of the square. Therefore, amount of fencing required will be equal to perimeter of square.

Hence, we can write:

\text{Amount of fencing}=\text{Perimeter of square}

\text{Amount of fencing}=4a=4(11.874)=47.496

Upon rounding to nearest foot, we get the amount of fencing required as 48 feet.

7 0
2 years ago
8. At the beginning of the semester, a professor tells students that if they study for the tests, then there is a 55% chance the
Bezzdna [24]

Answer:

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Step-by-step explanation:

S= studies for

B= score of b or higher

we want P(S|B)

Using Bayes' theorem we can solve for the probability

S|B=\frac{B|S*S}{B|S*S+B|S'*S'}=\frac{.55*.6}{.55*.6+.2*.4}=0.80487804878

3 0
2 years ago
Graph the line of the equation 8x/5 - 2y = -8 using its slope and y-intercept
satela [25.4K]

Answer:

y=\frac{4}{5}x+4

Step-by-step explanation:

You'll need to get this equation in slope-intercept form by solving for y. I do a little extra here to get it in the correct form, but I think it's pretty clear. Let me know if I need to clarify.

\\\\\frac{8x}{5}-2y=-8\\\\-2y=-\frac{8x}{5}-8\\\\2y=\frac{8x}{5}+8\\\\y=\frac{4}{5}x+4

Once it's in slope-intercept form, both the slope and the y-intercept are readily available so you can easily graph it. I graphed both of them in the attached image so you can see that they are the same line.

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30 dollars. She gave the clean up crew 30 dollars
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2 years ago
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34. I need to know how to write the equation in slope-intercept form and graph it. My biggest question is how to write it in slo
vagabundo [1.1K]
Maybe it’s y=1x-2. I hope this helps since we have no clue what the x is in the question we just assume it’s own
8 0
3 years ago
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