All categories

3 years ago

What is the value of expression 2X plus 5Y when X equals three and Y equal 2

Mathematics

1 answer:

fredd [130]3 years ago

3 0

16, because 2•x would also be 2•3 which is 6, and 5•y is rewritten as 5•2 which equals 10. 10+6=16 :)

You might be interested in

Factor the following binomail:<br><br> (2x^4 - 12x^7)

Ann [662]

Hopes this helps:

Answer: 2x^4(1-6x^3)

5 0

3 years ago

Solve this systems of linear equations.separate the x- and y-values with a comma 2x+3y=-6 6x-4y=-44

dusya [7]

Answer:

for the first one ‘x‘: x = -3/2 y -3

for the first one ‘y’: y = -2/3x-2

for the second one ‘x’: x= 2/3 y + -22/3

for the second one ’y’: y = 3/2 x + 11

Step-by-step explanation:

6 0

3 years ago

What is the volume of the square pyramid with base edges 12 cm and height 12 cm?

aliya0001 [1]

Answer:

V=144

Step-by-step explanation:

To find the volume of a pyramid, use the formula V=B•h, B being the base and h the height. So 12•12=144.

4 0

3 years ago

Read 2 more answers

Which point is the center of the circle ?

True [87]

X is the center of the circle

8 0

3 years ago

Read 2 more answers

Given area of a rectangle: 7x^2+57x+8 <br> Find Perimeter:

Sever21 [200]

Answer:

Perimeter of the rectangle is 16x+18 units.

Step-by-step explanation:

The area of rectangle is

$7x^2+57x+8$

First we have to find the factor form of above expression.

Splitting the middle term, we get

$7x^2+56x+x+8$

$7x(x+8)+1(x+8)$

$(x+8)(7x+1)$

Area of a rectangle is the product of its dimensions. It means dimensions of the rectangle are (x+8) and (7x+1).

Perimeter of a rectangle is

$Perimeter=2(l+b)$

$Perimeter=2[(x+8)+(7x+1)]$

$Perimeter=2[8x+9]$

$Perimeter=16x+18$

Therefore, the perimeter of the rectangle is 16x+18 units.

3 0

3 years ago