2 years ago

Which three steps are correct when solving this quadratic equation by completing the square?

Mathematics

1 answer:

guajiro [1.7K]2 years ago

5 0

Answer:

<em><u>E</u></em>

Step-by-step explanation:

transferring the constant

making the coefficient of x^2 to be 1

then add the square of half the coefficient of x

take the square root of both sides

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Anvisha [2.4K]

You can obtain the a number for which they all divisors by calculating the least common multiple.

This way:

85 = 5*17*1
17=17*1
19=19*1
4=2^2 *1
2=2*1

The least common multiple is: 5*17*19*2^2 = 6,460.

Then 84, 17, 19, 4 and 2 are all divisors of 6,460.

6 0

3 years ago

The three angles in a triangle are in the ratio 3:5:7. Find the largest angle in the triangle?

Rzqust [24]

Answer: The largest angle is 7x

Step-by-step explanation:

Their sum is 180, so

3x + 5x + 7x = 180

5x = 180 --> x = 12

The largest angle is 7x, which is 7(12) = 84

7 0

2 years ago

Sara was making slug slime soup for her six friends. She needed 0.06

Marina86 [1]

Answer:

0.01

can I have brainliest please

Step-by-step explanation:

3 0

2 years ago

On a certain hot summer's day, 581 people used the public swimming pool. The daily prices are $1.50 for children and $2.50 for

Tanya [424]

Answer:

A = 219

C = 362

Step-by-step explanation:

Given,

581 = C + A

and

$1090.50 = 1.5C + 2.5A

solve 1st for A

A =581 - C

substute into 2nd

1090.50 = 1.5C + 2.5(581 - C)

solve for C

1090.50 = 1.5C + 1452.50 - 2.5C

1090.50 = -C + 1452.50

1090.50 - 1452.50 = -C

-362 = -C

C = 362

then

581 = C + A

581 = 362 + A

219 = A

A = 219

8 0

2 years ago

Super easy problem its just graphing!! will mark brainliest <33

Sonbull [250]

Answer:

$y\ =\ \left|\frac{1}{2}x-2.5\right|+3$

Step-by-step explanation:

Look at the image below ↓

5 0

3 years ago

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