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nirvana33 [79]
3 years ago
11

Solve by factoring. Check your answer.

Mathematics
2 answers:
Naya [18.7K]3 years ago
6 0

Answer:

x=0,4

Step-by-step explanation:

Factor out the common terms from x²-4x. You can factor out x:

x(x-4)=0

Multiplication can be seen as (_)(_). Rewrite:

(x)(x-4)=0

Set both equal to 0:

x=0\\\\x-4=0

Simplify the second equation:

x-4=0\\\\x-4+4=0+4\\\\x=4

So, x=0 or x=4

:Done

Elenna [48]3 years ago
5 0

Answer:

x=0 or x=4

Step-by-step explanation:

<u>Lets Solve!</u>

First we need to factor the left side of the equation. Both terms include x.

x^2-4x =0

x(x-4) =0

If we multiplied x by (x-4) we would be back at x^2-4x =0.

Set factors equal to 0.

x=0 or x−4=0

x=0 or x=4

Woohoo! Brainliest Appretiated! Hope I helped!

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A student might expect that there is a positive correlation between the age of his or her computer and its resale value. Tue or
sergiy2304 [10]

Answer: False

Step-by-step explanation:

As time goes by, the resale value of a computer tends to drop because it tends not to function as properly as it did before, and the quality of new computers on the market drives the price of older computers down. So you can expect that as the amount of time increases, the resale value will decrease, resulting in a negative correlation

3 0
4 years ago
18 – 12 + x = 10 What value of x makes the equation true? * explanation plz
Kay [80]

Answer:

x = 4

Step-by-step explanation:

Solve for x:

x - 12 + 18 = 10

Hint: | Group like terms in x - 12 + 18.

Grouping like terms, x - 12 + 18 = x + (18 - 12):

x + (18 - 12) = 10

Hint: | Evaluate 18 - 12.

18 - 12 = 6:

x + 6 = 10

Hint: | Isolate terms with x to the left hand side.

Subtract 6 from both sides:

x + (6 - 6) = 10 - 6

Hint: | Look for the difference of two identical terms.

6 - 6 = 0:

x = 10 - 6

Hint: | Evaluate 10 - 6.

10 - 6 = 4:

Answer: x = 4

7 0
3 years ago
Read 2 more answers
HELP WITH THIS QUESTION PLEASE!!
svetlana [45]

m<PQS = m<SQR

4y - 10 = 2y + 10

2y = 20

y = 10

m<PQR = m<PQS + m<SQR

= 4y - 10 + 2y + 10

= 6y

= 6•10

= 60

3 0
3 years ago
A napkin is folded into an isosceles triangle, triangle ABC, and placed on a plate, as shown. The napkin has a perimeter of 38 c
gavmur [86]
The area of plate which is covered by the napkin is equal to the area of folded napkin.

Before finding the area of folded napkin, we should find the dimension of the napkin.
Find the length of the leg side, the two leg has similar length.
perimeter = 38
l + l + 8 = 38
2l + 8 = 38
2l = 30
  l = 15
Each leg is 15 cm long.

Find the area of folded napkin
area = 1/2 × s × s × sin of angle between the sides
area = 1/2 × 15 × 15 × sin 30°
area = 1/2 × 15 × 15 × 1/2
area = 225/4
area = 56.25
to the nearest whole number >> 56 cm²
The answer is third option
6 0
3 years ago
Read 2 more answers
25x^2+40x+16=28<br><br><br><br><br>Ansa ASAP
Paha777 [63]
Solution:
1. Move all terms to one side
<span>25{x}^{2}+40x+16-28=0</span>  2. Simplify <span>25{x}^{2}+40x+16-28 to <span>25<span>x<span><span>​2</span><span>​​</span></span></span>+40x</span></span><span><span>−12</span></span>
<span>25{x}^{2}+40x-12=0</span>  3. Apply the Quadratic Formula<span>x=\frac{-40+20\sqrt{7}}{50},\frac{-40-20\sqrt{7}}{50}

</span> 4. Simplify solutions
<span>x=-\frac{2(2-\sqrt{7})}{5},-\frac{2(2+\sqrt{7})}{5}</span> Done!
8 0
4 years ago
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