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3 years ago

5x + 6y = -8 and 2x + 3y = -5 What is the solution of the system?

Mathematics

1 answer:

Yuki888 [10]3 years ago

3 0

Answer:

x=-8/5(-1.6) y=-4/3(-1.3)

Step-by-step explanation:

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Which expression is equivalent to r^m ÷ r^n?

Andre45 [30]

R^m ÷ r^n is equal to r^(m-n).

For example, 2^5 <span>÷ 2^3 = 2^2.
</span>
Is that what you mean?

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2 years ago

Help pls and thank u

valkas [14]

Answer:

V =12.167 cm^3

Step-by-step explanation:

V = s^3 is the volume of a cube where s is the side length

The side length of the cube is 2.3 cm

V = ( 2.3 cm) ^3

V =12.167 cm^3

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2 years ago

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The teacher writes 10/12 on the board. He asks students to write the fraction in simplest form. Who writes the correct answer?

Sindrei [870]

In simplest form it is 5/6

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3 years ago

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Find the surface area of a triangular prism shown below.

Tema [17]

Answer:

Step-by-step explanation:

Multiply the numbers on each face 5×7, 6×7, 6×4÷2 (for the triangle) remember that there are 2 of each of the faces so the answer to 5×7 multiply that by 2 to get both faces

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2 years ago

A kitchen sink has a volume of 1800 cubic inches.What is the volume of a similar sink that is larger by a scale factor of 2

bonufazy [111]

Answer:

14400 cubic inches.

Step-by-step explanation:

Let l, b and h are length, breadth and height of a cuboid respectively, then

$V=l\times b\times h$

If another cuboid is larger by a scale factor of k, then kl, kb and kh are length, breadth and height of new cuboid respectively.

$V_1=kl\times kb\times kh$

$V_1=k^3(l\times b\times h)$

$V_1=k^3V$ ...(i)

It is given that a kitchen sink has a volume of 1800 cubic inches and a similar sink is larger by a scale factor of 2.

Substitute k=2 and V=1800 in equation (i).

$V_1=2^3(1800)$

$V_1=14400$

Therefore, the volume of required sink is 14400 cubic inches.

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3 years ago