3 years ago

Solve 5n-7p+3n=25p for n

Mathematics

1 answer:

Gnesinka [82]3 years ago

5 0

Answer:

n=4p

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

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For which positive integer values of $k$ does $kx^2+20x+k=0$ have rational solutions? Express your answers separated by commas a

Musya8 [376]

Answer:

-10,10

Step-by-step explanation:

The given quadratic equation is

$k {x}^{2} + 20x + k = 0$

The discriminant of this equation is given by;

$D = {b}^{2} - 4ac$

where a=k, b=20, c=k

For rational solutions, the discriminant must be zero.

${20}^{2} - 4 \times k \times k = 0$

Simplify to get:

$400 - 4 {k}^{2} = 0$

This implies that:

$400 = 4 {k}^{2}$

$100 = {k}^{2}$

Take square root to get:

$k = \pm\sqrt{100}$

$k = \pm10$

$k = - 10 \: or \: k = 10$

3 0

2 years ago

What is the square route of 600

elena55 [62]

Answer:

The square root of 600 is 24.49489743

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

What is the fourth term of a number pattern that begins with 250 and subtracts 13? A. 211 B. 224 C. 198 D. 302

Alina [70]

Create the equation:

250-13x

Plug in 4 for the equation and solve:

250-13(4)

250-52

198

The answer is C. 198

3 0

2 years ago

Read 2 more answers

The population of Groverdale is

wolverine [178]

Answer: Yes alaina is correct

Step-by-step explanation: first look at the populations

553,000

535,841

Tittlehook has a 3 in the ten thousands place whilst groverdale has a 5 in the thousands place.

Hope this helps :)

6 0

2 years ago

***I WILL GIVE BRAINIEST TO THE CORRECT ANSWER**

Burka [1]

Answer:134 if they both collected half of the drone's

Step-by-step explanation:

270%2=134

8 0

2 years ago