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Alenkasestr [34]
3 years ago
15

Evaluate the expression by using the given values of the variables.

Mathematics
1 answer:
zepelin [54]3 years ago
3 0
Order of operations tell us that we do multiplication and division first in the order we get to them, and then addition and subtraction after.  24/4*3-6/3+8.  We'll divide 24 by 4 to get 6, but then we immediately have to multiply 6 times 3 to get 18.  Then move down to 6 divided by 3 to get 2.  So what we have now is 18 - 2 + 8 which is 24.
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Determine if the equation is linear 2x y=4,
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Determine whether each equation is a linear equation. ... –2x – 3 = y .... linear. 16. 4y. 2. + 9 = –4. SOLUTION: Since y is squared, the equationcannot be written in standard form.
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3 years ago
Which point is the solution to the following system of equations? x2 + y2 = 13 2x - y = 4
Anit [1.1K]
There are two solutions.
.. (3, 2)
.. (0.2, -3.6)

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4 0
3 years ago
Read 2 more answers
A solid lies between planes perpendicular to the​ x-axis at x = -2 and x = 2. The​ cross-sections perpendicular to the​ x-axis b
icang [17]

Answer:

V = 128π/3 vu

Step-by-step explanation:

we have that: f(x)₁ = √(4 - x²);  f(x)₂ = -√(4 - x²)

knowing that the volume of a solid is  V=πR²h, where R² (f(x)₁-f(x)₂) and h=dx, then

dV=π(√(4 - x²)+√(4 - x²))²dx;  =π(2√(4 - x²))²dx ⇒

dV= 4π(4-x²)dx , Integrating in both sides

∫dv=4π∫(4-x²)dx , we take ∫(4-x²)dx and we solve

4∫dx-∫x²dx = 4x-(x³/3) evaluated -2≤x≤2 or too 2 (0≤x≤2) , also

∫dv=8π∫(4-x²)dx evaluated 0≤x≤2

V=8π(4x-(x³/3)) = 8π(4.2-(2³/3)) = 8π(8-(8/3)) =(8π/3)(24-8) ⇒

V = 128π/3 vu

8 0
3 years ago
Answer this question please ASAP!!!
Ymorist [56]
17.4%

If helped mark me the brainiest!!
7 0
2 years ago
In JKL. solve for x <br><br> 66.73<br> 74.89<br> 15.44<br> 38.16
liq [111]
By right triangle trigonometry, the sine of the measure of an angle is the ratio of the opposite side of this angle to the hypotenuse.

Thus, \displaystyle{\sin27^{\circ}= \frac{34}{x}


\sin27^{\circ} is a constant which can be found using a calculator:

with calc in pc: view → scientific → 27→sin = 0.45399, 

thus x=34/0.45399=74.89


Answer: 74.89
5 0
3 years ago
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