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masha68 [24]
4 years ago
7

Write an expression that has four terms. Your expression should have three different variables and a constant

Mathematics
1 answer:
vitfil [10]4 years ago
7 0
3zxy
here is an answer I got

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Which of the following equations is 2x + 3y = 6 written in slope-intercept form.
podryga [215]

Answer: y=\frac{-2}{3}x+2

Step-by-step explanation:

In slope-intercept form y is isolated

So Let's solve for y.

2x+3y=6

Step 1: Add -2x to both sides.

2x+3y+-2x=6+-2x\\3y=-2x+6

Step 2: Divide both sides by 3.

\frac{3y}{3} =\frac{-2x+6}{3} \\y=\frac{-2}{3}x+2

8 0
3 years ago
11. Find the surface area of each figure. Leave the answers in pi where applicable. Show work
____ [38]
<span>11. Find the surface area of each figure. Leave the answers in pi where applicable. Show work
 36cm^2
 14. Find the surface area of each figure. Leave the answers in pi where applicable. Show work
 36*pi cm^2
 19. Find the surface area of each figure. Round to the nearest tenth. Show work
 391.6 in^2
 23. Find the volume. Round to the nearest tenth if necessary. Show work
 130.7*pi yd^3
 29. What is the volume of a sphere with a surface area of 452.39 cm2? Round your answer to the nearest hundredth. Show work
</span> 288*pi cm^3
 Attached solution.

8 0
3 years ago
Explain why 3x^2+kx-1 is never always positive for any value of k
lianna [129]
Hello : 
<span>(3x²+kx-1) is a quadratic polynome when : a =3  , b=k , c= -1
the discriminat  </span>Δ = b²-4ac ≥ 0 because ac = -3 <span><<span> 0
-4ac </span></span>>0  and b²<span>≥0
the </span> quadratic polynome has :2 solutios or 1 solution (Change of sign)
conclusion :   <span>is never always positive for any value of k</span>
8 0
3 years ago
Write using exponents. Rewrite the expression below in the same sequence.
Maksim231197 [3]

Answer:

10^2a^2b

Step-by-step explanation:

Exponents are a way of shortening multiplication statements. The exponent represents how many times a term is being multiplied by itself. So, when two terms have the same base it can be written with exponents. For example. 10*10 can be written as 10^2 because 10 is being multiplied 2 times. Therefore, if we do this with every term you get 10^2a^2b.

8 0
3 years ago
In a music competition, a participant has to score a total of 40 points in the first four rounds combined to move on to the 5th
Salsk061 [2.6K]

Answer:

x ≥ 12

Step-by-step explanation:

Given that :

Total points required = 40

1st round point = 4

2nd, 3rd and 4th round points are identical

Let the point number of points = x

2nd + 3rd + 4th = 3

1st round + 3(x) ≥ 40

4 + 3x ≥ 40

3x ≥ 40 - 4

3x ≥ 36

x ≥ 12

7 0
3 years ago
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