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OLga [1]
2 years ago
7

Please help me factorise this problem: x^2+4x+4

Mathematics
2 answers:
Sophie [7]2 years ago
6 0
The answer is (X+2)^2

tiny-mole [99]2 years ago
3 0
(x+2)^2

Factors of 1 (from 1x) = 1
Factors of 4 (constant) = 1,2,4

You want to find what numbers add 4 and multiply to 4. If I do 2+2, it equals 4. If I do 2*2, it equals 4. Therefore: (x+2)(x+2) = (x+2)^2
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Find Ms. Buggie's mistake in the following problem. Then, give what the correct answer should be.
sdas [7]

Answer:

Mrs. Buggie should have Subtracted 13 instead of adding 13

LKA = 94°

Step-by-step explanation:

Lets work backwards from the equation so far:

40 = x+ 13

x + 13 = 40

We should subtract 13 because we are adding a number and 13 to 40

Imagine this:

You have 5 apples, but you bought some more and now you have 10

equation would be:

5+x = 10

subtract 5 from 10 to get 5

So you bought 5 apples

Back to the Question:

40 - 13 = 27

3(27) + 13 = 81+13 = 94°

Answer = 94°

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

8 0
3 years ago
How do I do angles of triangles​
BigorU [14]

Answer:

What kind of angles?

Step-by-step explanation:

What is your question?

7 0
2 years ago
Which inequality is the solution to 20+2 &lt;<br> Ž -8?
Maru [420]

Answer:

the 20 +2

Step-by-step explanation:

5 0
2 years ago
A scientist has a container of 2% acid solution and a container of 5% acid solution. How many fluid ounces of each concentration
algol [13]

Let 'a' be the number of ounces of 2%-solution in the 25-ounce mixture

and 'b' be the number of ounces of 5%-solution in the 25-ounce mixture.

Since, fluid ounces of each concentration should be combined to make 25 fl oz.

So, a+b=25 (Equation 1)

And, a container of 2% acid solution and a container of 5% acid solution should be combined to make 25 fl oz of 3.2% acid solution.

So, a of 2% + b of 5% = 3.2% of 25

(a \times \frac{2}{100})+(b \times \frac{5}{100})= 25 \times \frac{3.2}{100}

(0.02a)+(0.05b)= 0.8

Multiplying the above equation by 100, we get

2a+5b=80 (Equation 2)

Substituting the value of a=25-b in equation 2, we get

2(25-b)+5b=80

50-2b+5b=80

50+3b=80

3b=30

b=10

Since, a=25-b

a= 25-10

a=15.

So, 15 fluid ounces of 2% solution combined with 10 ounces of the 5% solution to create a 25-ounce mixture at 3.2% concentration of acid.

7 0
3 years ago
What is the volume of a microwave oven that is 18 inches wide by 10 inches long with a depth of 11 1/2 inches?
ivann1987 [24]

Answer:

2070 inches

Step-by-step explanation:

V = W x L x D

  = 18 x 10 x 11.5 = 2070 inches

7 0
3 years ago
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