3 years ago

What single or double digit numbers make a SUM of 40?

Mathematics

1 answer:

Sloan [31]3 years ago

6 0

The sum numbers are 1, 2, 4, 5, 8, 10, 20, 40

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6x - Sy- 5x + 3y hhhjhhhh

Alona [7]

Answer: combine like terms 11x+8y

Step-by-step explanation:

6xand 5x is 11x and 5y and 3y is 8 y or distribute and get it hope this helps

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3 years ago

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3 years ago

Let h(x)equalsf(g(x)), where f and g are differentiable on their domains. If g(9)equalsnegative 6 and g prime(9)equals3,

artcher [175]

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3 years ago

An open box is made from an 8 by ten-inch rectangular piece of cardboard by cutting squares from each corner and folding up the

natka813 [3]

Please find the attachment.

Let x represent the side length of the squares.

We have been given that an open box is made from an 8 by ten-inch rectangular piece of cardboard by cutting squares from each corner and folding up the sides. We are asked to find the volume of the box.

The side of box will be $8-x-x=8-2x$ and $10-x-x=10-2x$ .

The height of the box will be $x$ .

The volume of box will be area of base times height.

$\text{Volume of box}=(8-2x)(10-2x)\cdot x$

Now we will use FOIL to simplify our expression.

$\text{Volume of box}=(80-16x-20x+4x^2)\cdot x$

$\text{Volume of box}=(80-36x+4x^2)\cdot x$

Now we will distribute x.

$\text{Volume of box}=80x-36x^2+4x^3$

$V(x)=80x-36x^2+4x^3$

Therefore, the volume of the box would be $V(x)=80x-36x^2+4x^3$ .

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3 years ago

The sides of a rectangle are x cm and 4 cm. Its perimeter is 46 cm. Determine the value of x.

Vedmedyk [2.9K]

Answer:

x = 19 cm

Step-by-step explanation:

perimeter = 46 = 2(x + 4)

2x + 8 = 46

2x = 38

x = 19

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3 years ago