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3 years ago

Give to 2 solution of the inequality k< 2

Mathematics

2 answers:

tia_tia [17]3 years ago

4 0

Any number less than 2, can be 1 , 0, -1 , -2 and so on

Ilia_Sergeevich [38]3 years ago

3 0

the answer would be anything that is less than 2 it could also be 1, 0, and even in the negative numbers

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X + 2y = 10 3x + 4y = 8

REY [17]

Answer:

x + 2y = 10 - x= 10−2y

3x + 4y = 8 - x=8/3 - 4y/3

Step-by-step explanation:

8 0

4 years ago

Read 2 more answers

A candy bar box is in the shape of a triangular prism. The volume of the box is 2,400 cubic centimeters.

elixir [45]

Answer:

Part A) The height of the base is 15 cm

Part B) $SA=1,240\ cm^2$

Step-by-step explanation:

Part A) What is the height of the base?

we know that

The volume of the triangular prism is equal to

$V=BL$

where

B is the area of the triangular face

L is the length of the prism

we have

$V=2,400\ cm^3\\L=20\ cm$

substitute the given values

$2,400=B(20)$

solve for B

$B=2,400/20\\B=120\ cm^2$

Find the height of the base

we know that

The area of triangle i equal to

$120=\frac{1}{2}(16)h$

solve for h

$h=240/16\\h=15\ cm$

Part B) What is the approximate amount of cardboard used to make the candy box?

we know that

To find out the the approximate amount of cardboard used to make the candy box, determine the surface area of the triangular prism

The surface area is equal to

$SA=2B+PL$

where

B is the area of the triangular base

P is the perimeter of the triangular base

L is the length

we have

$B=120\ cm^2\\L=20\ cm$

Find the perimeter of triangle P

$P=17+17+16=50\ cm$

substitute

$SA=2(120)+50(20)=1,240\ cm^2$

6 0

3 years ago

Which value of a would make the following expression completely factored

solmaris [256]

Answer:

Step-by-step explanation:

We know that the expression (x^2 - a^2) can be written as (x-a)(x+a). So an expression of this type: (x^2 - a^2) wouldn't be completely factored because it could be factorized even more.

So we know that 36 = 6^2, 49= 7^2 and 81 = 9^2. So if we choose any of these options (Option B, C and D) it wouldn't be completely factored.

The correct is the option A, given that if a=12, it wouldn't be a perfect square, so it would be completely factored.

6 0

3 years ago

Read 2 more answers

What is the volume of the frustum? A. 503.77 B. 147 C. 588 D. 258.47

Studentka2010 [4]

V = 1/3 πh(R^2 +r^2 + R*r)

V = 1/3 (3.14)(14) (4.2^2 + 2.5^2 + 4.2 * 2.5)

V = 1/3 (3.14)(14) (17.64 + 6.25 + 10.5)

V = 1/3 (3.14)(14) (34.39)

V = 503.93

Because i'm using π = 3.14

So answer is B. 503.77

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3 years ago

A carrot has

svlad2 [7]

The answer would be the second one.

5 0

3 years ago