3 years ago

Help please please please please

Mathematics

1 answer:

KatRina [158]3 years ago

5 0

Answer: It is a because they are equally reflecting the x axis

Step-by-step explanation:

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Find the equation of the line with m = 2 and passes through the point ( 4 , − 5 ) . Write your answer in standard form A x + B y

Rudiy27

Answer:

2x - y = 13

Step-by-step explanation:

To write the equation of a line use the formula $y - y_1 = m(x-x_1)$ .

Substitute m = 2 and (4,-5).

$y --5 = 2(x-4)\\y + 5 = 2(x - 4)\\y + 5 = 2x - 8\\y = 2x -13\\-2x + y = -13\\2x - y = 13$

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3 years ago

M is directly proportional to r cubed when r = 4, m = 160. Find the value of r when m = 540

Anarel [89]

Answer:

r = 6

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 proportionality

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

k = $\frac{M}{r^3}$ = $\frac{160}{64}$ = 2.5, so

M = 2.5r³ ← equation of proportionality

When M = 540, then

540 = 2.5 r³ ( divide both sides by 2.5 )

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

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

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3 years ago

Is 24x + 12 and 24 + 12x equivalent

Ksivusya [100]

Answer:yes

Step-by-step explanation:

It's because both ways means the same due to the presence of positive sign.if the signs changed,it means that they are not the same

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3 years ago

Twice the sum of 13 and x is not greater than 15

Law Incorporation [45]

2 ( x + 13) < 15

2x + 26 < 15

2x < -11

x < -5.5

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3 years ago

2m - 2p = -6 <br> p = 2m + 10

Korolek [52]

Step-by-step explanation:

If you are satisfied with the results then plz make me genius.

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3 years ago