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3 years ago

What numbers are the arrows pointing to ???

Mathematics

2 answers:

Allushta [10]3 years ago

6 0

Answer:

Step-by-step explanation:

6.4

9.3

Mrrafil [7]3 years ago

3 0

Answer:

a)36

b)6.4

c)9.3

Step-by-step explanation:

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Maru [420]

Its d!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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3 years ago

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Find the value of n so that the expression is a perfect square trinomial and then factor the trinomial.

Anna007 [38]

The correct expression is (a) n = 100; (x + 10)^2

<h3>How to determine the value of n?</h3>

The expression is given as:

x^2 + 20x + n

Take the coefficient of x

k = 20

Divide by 2

k/2= 10

Square both sides

(k/2)^2 = 100

The above value represents the value of n

i.e.

n = 100

So, we have:

x^2 + 20x + 100

Expand

x^2 + 10x + 10x + 100

Factorize

x(x + 10) + 10(x + 10)

Factor out x + 10

(x + 10)^2

Hence, the correct expression is (a) n = 100; (x + 10)^2

Read more about trinomial at:

brainly.com/question/1538726

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2 years ago

The formula s= SA/6 squared gives the length of the side, s, of a cube with a surface area, SA. How much longer is the side of a

stiv31 [10]

The surface area (SA) of a cube can be written as:

SA = 6s²

From here we can write, the length of the side s as:

$s= \sqrt{ \frac{SA}{6} }$

For cube with surface area of 1200 square inches, the side length will be:

$s= \sqrt{ \frac{1200}{6} }=10 \sqrt{2}$ inches

For cube with surface area 768 square inches, the side length will be:

$s= \sqrt{ \frac{768}{6} }=8 \sqrt{2}$ inches

The difference in side lengths of two cubes will be:

$10 \sqrt{2} -8 \sqrt{2}=2 \sqrt{2}$

Rounding to nearest tenth of an integer, the difference between the side lengths of two cubes will be 2.8 inches.

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3 years ago

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Factorize this term: (a+b)raise to the power of 4 +4

zimovet [89]

Answer:

Step-by-step explanation:

Given :