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german
3 years ago
13

Which relation is a partial variation

Mathematics
1 answer:
liq [111]3 years ago
4 0

Answer:

<h2>D) y = 2x - 5</h2>

Step-by-step explanation:

A partial variation is defined as a relation which has the form y=mx+b, where m is the slope and b is the y-intercept.

So, by definition, the right answer is D) y=2x-5, it's a partial variation, and it doesn't pass through the origin of the coordinate system.

You might be interested in
Solve the following inequality 90 &gt; 10x + 80
Lera25 [3.4K]

Answer:

x<1

Step-by-step explanation:

10x + 80 < 90

10x < 90 - 80

10x < 10

x < 1

3 0
3 years ago
5/9(F-32)= -62.1 what is F?​
nlexa [21]

Answer:

F = -79.78

Step-by-step explanation:

You need to set F by itself

5/9(F-32) = -62.1

multiply the reciprocal of 5/9 on both sides to eliminate 5/9. The reciprocal is 9/5

-62.1 times 9/5

= -111.78

F-32 = -111.78

add 32 on both sides to get F by itself.

-111.78 + 32 = -79.78

Your final answer

8 0
3 years ago
Read 2 more answers
Please help me answer thanks.
Dmitry_Shevchenko [17]

Answer:

see explanation

Step-by-step explanation:

Given that M is directly proportional to r³ then the equation relating them is

M = kr³  ← k is the constant of proportion

To find k use the condition when r = 4, M = 160, thus

160 = k × 4³ = 64k ( divide both sides by 64 )

2.5 = k

M = 2.5r³ ← equation of variation

(a)

When r = 2, then

M = 2.5 × 2³ = 2.5 × 8 = 20

(b)

When M = 540, then

540 = 2.5r³ ( divide both sides by 2.5 )_

216 = r³ ( take the cube root of both sides )

r = \sqrt[3]{216} = 6

5 0
3 years ago
[11 +{-18 divided by 9}]x2<br><br> HELP! Please and thanks
USPshnik [31]

Answer:

7 is the answer.

Step-by-step explanation:

In equations like this, you would solve the numbers in the parenthesis first, and then gradually do: Multiplication -> Division -> addition -> subtraction.

Therefore, -18 / 9 is -2.

-2 * 2 would be -4,

11 + (-4) would be 7.

Answer : 7.

6 0
3 years ago
√x&lt;4 A.20 B.12 C.2 D.-1 E.5. F. No solution
evablogger [386]
We know that for √x to be meaningful, we must have x ≥ 0.

If we square both sides of the inequality, we have
  x < 4²
  x < 16

Thus the whole solution is
  0 ≤ x < 16

The following choices are valid solutions to the inequality:
  B. 12
  C. 2
  E. 5
5 0
3 years ago
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