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sladkih [1.3K]
2 years ago
11

When we first learn arithmetic, we focus on working with whole numbers. Then, we extend our understanding to fractions and negat

ive numbers.
In algebra, we transfer these same skills to expressions involving variables. What elementary skills have you used so far in this course, and how have you extended them?

30pts plz write a paragraph
Mathematics
1 answer:
defon2 years ago
7 0

Answer:

Give an example from your life experience (outside of school) where it was important to understand fractions. Eg; how many cups of walnuts does she need for five pans of fudge?

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A special liquid is held in a tank described as (x 2 + y 2 ) ≤ z ≤ 1 in a Cartesian coordinate system. Assume that the density o
vivado [14]

Since \rho=\dfrac mV (density = mass/volume), we can get the mass/weight of the liquid by integrating the density \rho(x,y,z) over the interior of the tank. This is done with the integral

\displaystyle\int_{-1}^1\int_{-\sqrt{1-x^2}}^{\sqrt{1-x^2}}\int_{x^2+y^2}^1(2-z^2)\,\mathrm dz\,\mathrm dy\,\mathrm dx

which is more readily computed in cylindrical coordinates as

\displaystyle\int_0^{2\pi}\int_0^1\int_{r^2}^1(2-z^2)r\,\mathrm dz\,\mathrm dr\,\mathrm d\theta=\boxed{\frac{3\pi}4}

7 0
3 years ago
A birthday celebration meal is $ 47.40 including tax, but not the tip. Find the total cost if a 15% tip is added to the cost of
Afina-wow [57]

Answer:

$54.51

Step-by-step explanation:

an easier way to do this is simply by multiplying 47.40x115%, which is 54.51.

another way to do this is by multiplying 47.40x15%, which is 7.11, then you'll have to added to 47.4, which gives you the same answer of 54.51

6 0
3 years ago
Which of the following has a slope of -3 and a y-intercept of -4?
tresset_1 [31]
The correct answer is C
6 0
3 years ago
A triangle has an area of 36 square feet. If the height of the triangle is 6 more feet than its base, what is its height and bas
andriy [413]
If b is the base then the height h=b+6. As we have S=bh/2 then
36=b(b+6)/2;
b²+6b-72=0;
D/4=3²+72=81
b₁=-3-9=-12
b₂=-3+9=6.
The base is always positive so b=6, h=6+6=12.
Answer: base=6 ft, height=12 ft.

7 0
3 years ago
6x+9y-12=0 ‎‎‎‎‎ ‎‎‎‎
77julia77 [94]

Answer:

x = 2

Step-by-step explanation:

6x + 9y - 12 = 0 \\ 6x + 9 \times 0  - 12 = 0 \\ 6x + 0 - 12 = 0 \\ 6x - 12 = 0 \\ 6x  = 12 \\ x = 2

6 0
2 years ago
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