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2 years ago

I need help on this

Mathematics

2 answers:

Schach [20]2 years ago

5 0

Answer:

Step-by-step explanation:

the numbers were not mentioned twice.

Kay [80]2 years ago

3 0

Answer:

no clue

Step-by-step explanation:

i have no clue

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Find the solution of 3 times the square root of the quantity of x plus 6 equals negative 12, and determine if it is an extraneou

Anna35 [415]

For this case we have the following equation:
$3 \sqrt{x+6}=-12$
Rewriting we have:
$\sqrt{x+6}= \frac{-12}{3}$
$\sqrt{x+6}=-4$
We raise both members of the equation to the square:
$(\sqrt{x+6})^2=(-4)^2$
Rewriting we have:
$x+6=16$
$x=16-6$
$x=10$
It's a extraneous solution because equality is not met by substituting x = 10 in the original equation:
$3 \sqrt{10+6}=-12$
$3 \sqrt{16}=-12$
$3(4)=-12$
$12=-12$
Answer:
The solution is:
$x=10$
It's a extraneous solution

6 0

3 years ago

What number is 1/10 as great as 7,962

yanalaym [24]

Assuming your question can be rewritten as:
"What number is 10% greater than 7,962"

7962 * 110% = itself + 10%
= 7962 * 1.10 <----- (1.10 = 110%)
= 8758.2

5 0

3 years ago

Read 2 more answers

the set below only contains which types of numbers {-1,5,1/2,15,3.75,36,square root 81,100 are they irrational numbers rational

nika2105 [10]

Answer:

I believe Irrational numbers, That's the answer I used and got it correct!

Step-by-step explanation:

5 0

3 years ago

What is the difference in surface areas, in square feet, of the two boxes?

Katarina [22]

The difference is 3ft since the surface area for the prism is 57, and the surface area for the cube is 54.

You can use the surface area formula
2(wl+hl+hw) = Area
2·(3·4.5+2·4.5+2·3)=57

And a cubes surface area formula
6a^2 = Area
6·32=54

3 0

3 years ago

4 and 2/5 - 2 and 4/5

Mademuasel [1]

Answer:1.6

Step-by-step explanation:Hope this helps

5 0

2 years ago

Read 2 more answers

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