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2 years ago

What is the ratio of 7:21:35?

Mathematics

1 answer:

Marysya12 [62]2 years ago

8 0

Answer:

Step-by-step explanation:

49 because 14 is added everytime

9,15,21 because 6 is added everytime

Hope it helps!

Mark my answer as brainliest!!

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Which of the following is an extraneous solution of the square root of -3x-2=x+2

yarga [219]

Answer:

x=-6 is an extraneous solution

Step-by-step explanation:

we have

$\sqrt{-3x-2} =x+2$

squared both sides

$-3x-2=(x+2)^2$

$-3x-2=x^2+4x+4$

$x^2+7x+6=0$

solve the quadratic equation by graphing

The solution is x=-6 and x=-1

see the attached figure

<u><em>Verify each solution</em></u>

substitute the value of x in the original expression

For x=-6

$\sqrt{-3(-6)-2} =-6+2$

$\sqrt{16} =-4$

$4=-4$ ----> is not true

Is an extraneous solution

For x=-1

$\sqrt{-3(-1)-2} =-1+2$

$\sqrt{1} =1$

$1=1$ ----> is true

Is the solution

4 0

3 years ago

The width of a rectangle is shown below:

Savatey [412]

The distance between points A and C is 7 units, so to find the length we divide 35 by 7 which equals 5. Now we know that points B and D must be 5 units away from A and C, which means that B would be at (2, 3) and D would be at (2, -4). I hope this helps!

7 0

3 years ago

Read 2 more answers

If there is 126 calories in 3/4 cup of milk. How many calories in 1/2 cup of milk?

solong [7]

126/3 = 42 calories per 1/4 cup. This 2 x 42 calories (2 quarters = 1/2 cup) = 84 calories.

7 0

3 years ago

In a game, players get 6 points for landing on a green

Scorpion4ik [409]

Answer:

Hal