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3 years ago

Surface area for this 4height 4lenght 6 width

Mathematics

1 answer:

xenn [34]3 years ago

5 0

Answer:

Step-by-step explanation:

4 * 4 * 6 = 64

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Find the area of a triangle with a base length of 3 units and a height of 4 units.

svetlana [45]

Answer:

$6$ square units

Step-by-step explanation:

The area of a triangle can be calculated by multiplying the triangle's base by its height, and then dividing the result by $2$ . As an algebraic expression, this would be $\frac{bh}{2}$ , where $b$ is the triangle's base and $h$ is the triangle's height. In this case, we know that $b=3$ and $h=4$ . Therefore, the area of this triangle is $\frac{3*4}{2} =\frac{12}{2} =6$ square units. Hope this helps!

6 0

2 years ago

Read 2 more answers

a company makes these biscuits at a cost of $1.35 per packet. these biscuits are sold for $1.89 per packet. calculate the percen

nydimaria [60]

Answer:

They Make 50 cents profit a pack

Step-by-step explanation:

1.89-1.35

8 0

2 years ago

What is the perimeter of the polygon defined by the points A(12, 20), B(20, 20), C(20, 8), and D(12, 8)? a 64 units b 144 units

Rzqust [24]

Answer:

d. 40 units

Step-by-step explanation:

The length of the horizontal side of this rectangle on the line y=20 is the difference of the x-coordinates, 12 and 20, so is 8. The length of the vertical side on the line x=20 is the difference of the y-coordinates, 20 and 8, so is 12.

Two sides are of length 8 and two are of length 12. The perimeter is the sum of the side lengths, so is ...

P = 2·8 +2·12 = 40 . . . units

3 0

3 years ago

Determine whether the lines are parallel or perpendicular or neither. 2x=y−10 and y=−2x

MrRa [10]

Put the first equation in slope-intercept form, or y = mx + b. Start by subtracting y from both sides.

2x - y = -10, subtract 2x from both sides.

-y = -10 - 2x

Divide both sides by negative one.

y = 10 + 2x

To find the slope when the equations are in slope-intercept form you look at the coefficient of x. The first equation has the slope of 2 (which we just found), and the second equation has the slope of -2.

Parallel lines have the same slope and perpendicular lines have opposite reciprocal slopes. Since 2 and -2 are neither of these, your answer is neither.

7 0

3 years ago

Hi guys can u pls help me with this problem thanx

salantis [7]

Answer:

$\frac{1}{4}$ left

Step-by-step explanation:

The question says she used $\frac{1}{2}$ of it, so she probably used $\frac{1}{2}$ of it. I'm assuming this is an error in the question, and it should be asking how much is left. To solve for that:

$\frac{3}{4}$ - $\frac{1}{2}$

make denominators equal

( $\frac{2}{2}$ × $\frac{3}{4}$ ) - ( $\frac{1}{2}$ × $\frac{4}{4}$ )

$\frac{6}{8}$ - $\frac{4}{8}$

$\frac{2}{8}$

$\frac{1}{4}$

8 0

3 years ago